Homework Archive - 03 February 2017

• View the 2013 Annual Reports for the Coca-Cola Company and PepsiCo, Inc., both linked here as well as on the Course Information page. Using these reports, answer the following questions:
• 2017 Case Study 2: Public Key Infrastructure
• QWE
• Homework Quick Discussion
• module 3
• Social Issue Paper
• Assignment 2: Discussion—Role of Government
• MAT222:Intermediate Algebra-Simplifying Radicals
• Contemporary Issues in Aging W2A1
• Part #4 Data Collection
• For Prof Ann Only
• Choose all the answers that are correct.Two accomplishments of Aristotle include:Assisting in the early education of Alexander the GreatWritingNichomachean EthicsOpening...
• Only for Hifsa
• The U.S. government's expansive role in public policy is caught in a swirl of conflicting crosscurrents.
• 1 page discussion response. Due in 48 hours 2/4
• Business Organizational Outline Paper for Catherine Owens
• Look at Tootsie Roll Industries Inc.'s most current annual report. Focus on the income statement, which Tootsie Roll titles Consolidated Statement of Earnings and Retained Earnings, and the notes following the financial statements.
• Computer Architecture
• Visual Basic Beginning
• Stock Valuation and Analysis
• Outline
• business
• Question 2 Discuss how the EPA recommends that risk assessors distinguish between uncertainty and variability in a risk assessment. Your response should be at least 200 words in length. You are required to use at least your textbook as source material fo
• Goals
• BUSINESS 2
• Cross Cultural Essay _ Technology in Society
• Management and Organization for Healthcare
• What is a valid theme statement for "Through the Tunnel"? There comes a time in a young person's life when...
• Global Organization
• Discussion: Balancing Justice and Judicial Efficiency
• 5-2 Final Project Milestone Two: Draft of Judicial Administration
• revise essay (grammar)
• Change Memo
• comment from post 5
• Describe how toxicant absorption is limited for inhalation, absorption, and ingestion
• Attachment disorder has become a popular topic in the field of counseling. There is growing research in this area, as...
• Growth
• Now that you have completed the second part of our course, Religion in Colonial America, select one of the following questions and submit...
• comment from post 6
• Ind/Ergo seven
• LASA 1 Business Unit Analysis
• Science
• Question about history since 1877
• Engulf and Devour Arguments
• Question 8Presented below is an aging schedule for Bosworth Company.CustomerTotalNot Yet DueNumber of Days Past Due1–3031–6061–90Over 90Aneesh$27,400$9,4
• QUESTON 7 (NO PLAGIARISM)
• Capella Assignment....For professor Ann Only!
• A Japanese firm, Omega Company, manufactures cassette tapes with the trademark TXX.
• Short reply no long paper response needed
• IFSM 301 IT Decision Paper
• Exploratory Essay
• None right now
• 15
• 3-5MVAHenderson Industries has $500 million of common equity; its stock price is $60 pershare; and its Market Value Added (MVA)...
• Pass
• Individual: Expanded Website Plan
• essay (NO PLAGIARISM)
• musically incline
• Case Studies on book "Marketing for Hospitality and Tourism"
• i have 22 questions need answer for them within 3 hours public finance
• gross income inclusions
• Body Lanaguage
• Nonverbal Communication
• BESTCONSULTANT ONLY
• Which sentence uses the italicized vocabulary word correctly?The poet paid homage to the evil killer by eulogizing him in an...
• Friendly and Professional
• 2 responses
• Responses on these topics 1 of 3
• Discipline-Based Literature Review
• Apply Your Knowledge
• En mi casa, todos los sábados comienzan de la misma forma. Mis padres (1) a las nueve. Mi madre...
• Develope a business strategy for a business that doesnt have a website
• Response needed 2 of 3
• Do anybody have PSYC 354 EXCEL homework week 1
• GEN499: General Education Capstone
• Case 4 ECOL100
• management questions
• Module 05 Leadership Exploration Project - Sources of Power and Influence
• Harvey City Comprehensive Case
• GEN499: General Education Capstone
• paper
• SLP 4 (ECOL 100)
• Prof JIM only (MKT 100 quiz 2)
• Project
• Brilliant Answers
• 4 part 2 page essay in APA with running headers
• Memo of urban planning, finish this before due, 350+words
• Discuss #5
• CIS 105
• “Case Study Analysis.”
• FINAL EXAM HUMAN RESOURCE MANAGEMENT GRANTHAM UNIVERSITY
• Foundation of Managment
• Organization Development & Change
• Assignment 2.2: Justification Report - Part 2
• Module 05 Activity - Review a Project Schedule and Evaluate for Potential Issues/Cost Impacts
• Email Introduction & The Sales Process
• The students will collect data from www.boxofficemojo.com using the Box Office/All Time reports; additional information could be found on www.IMDB.com...
• FOR WIZARD KIM
• Criminal Justice Writing Assignmet
• bus marketing
• Fortified
• (Mikes Bikes) Business Plan
• discusion
• Sir_Excellence
• Sales Analysis
• SUPPLY CHAIN MANAGMENT ( CASE STUDY )
• i need help
• home work discussion
• Future of the Juvenile Justice System Proposal and Presentation
• Module 05 Course Project - Finalize Project Schedule and Mitigate Any Delays
• Macroeconomics
• sociology 3
• Legal Business 100 Management and the legal environment chapter 11 and 15
• 1 page
• discusion II
• English Course
• An Analysis of General Motors
• Walmart Managing logistics
• Wk 4 Response
• QNT/351 University of Phoenix Material: Ballard Integrated Managed Services Part 2
• For Weny Lewis
• Health Care Management (Ambulatory Care Admin)
• 5 pages essay philosophy
• Discussion Post. Plagiarism checker will be used. Easy post. Employee Performance Please respond to the following: Go to SAS’s Website and review the benefits offered by this company
• Sir_Excellence
• Managerial Finance
• Hamlet Research Paper
• Professional Communication Cultural Sensitivity Guide
• on Time Please
• Kim Woods
• Texas Government
• state one way in which photo heterotrophs are similar to chemo heterotrophs
• this assignment is for nightingale
• Wk 9
• wk 10
• m4
• 1. Barn Burning and Puppy are two stories with important shifts in point of view and voice if we consider the change from third to first person as presented in the internal monologues or indirect speeches of Marie and Callie (Puppy) and Sartoris (Barn Bur
• Complete the below 2 questions
• this assignment is for sky essays
• Review the instructions for the Working with Employees Portfolio Assignment. Complete your 1,050- to 1,400-word paper on Working With Employees. Format your paper consistant with APA guideline. Click on the Assignments Files tab to submit your assignment.
• 200-250 Words HW
• Assignment
• Pre calculus online exam
• Choose two authors from the early american and colonial period. identify what they wrote and, in one to three paragraphs,...
• please help. Check out the biosensitivey check list from Frank’s website above . Which characteristics are most important? How are we doing? Can we attain this list?
• strategy management and policy homework
• 2 page analysis that compares or contrast the tragic heros in UBU Roi and Oedipus the King
• answer the questions.
• INFECTIOUS DISEASES BY BODY SYSTEM: microbiology homework
• Assignment 1: LASA 2: Examining Your Community’s Source of Energy
• History
• Biology Help
• this assignment is for nightingale
• Employment Law Case Brief and Presentation
• week1
• write a 2 pages paper about Whistleblowers
• Leadership and Regulatory Compliance
• Growing Honest Tea
• STRATEGIC TRAINING AND DEVELOPMENT REPORT
• Sir_Excellence
• Which of the following lists current location of the original bayeux tapestry
• essay edit
• Leadership and Regulatory Compliance
• HIPAA-PROFESSIONAL CONDUCT
• Object pronouns include you, she, he, it, and we (True or False
• Computer Arithmetic and Logic Units
• Global Weather - Questions
• last min help needed
• RubyCpaMba-Wiley PLUS Brief Exercise 7
• Employment Opportunities as an Oracle Application Developer
• The Bargaining Mix Consider the following scenario and answer the questions (taken from Table 4.2) below. You are a manager of a large retail outlet and have been employed with the organization for four years. The retail outlet employees approximately on
• Male African American Teachers are needed in pre-school / elementary school.
• Criminal Justice Essay
• English 315
• Math 533 Project A
• Physical Science
• COMPUTER ETHICS
• Is your organization meeting TJC standard? If so address the bullets above and tell us how your facility is meeting the standards one by one. If not; what would you implement to address the bullets above?
• WHAT DOES MILITARY SERVICE MEANS TO ME
• Spanish assignment 3
• MGT 498 PRESENTATION MUST BE ORIGINAL WORK
• Geography
• Spanish Questions and Answers
• read all the description that i have wrote it
• 2 questions
• computer science lab homework
• last min 3 part assignment
• Use the attached document “Juvenile Offenders” to complete this assignment.
• Yeagle sued the Collegiate Times for defamation. Sheargued that the phrase implied the commission of sodomyand was therefore actionable. What...
• thermodynamics
• Case Study Anaylsis
• TestOut Labsim labs/quizzes
• analysis for finance class
• research question
• Define OLAP. What is the role of OLAP in decision making? What does the term drill meandown in an executive...
• Acct205 week 3 discussions
• Submit the proposal for your final project. This should be three pages in length and describe the project and work to be done.
• PB 3
• 4 -6 paragraphs. response to ONE selected article This response should be approximately 350-450 words, roughly 4 -6 paragraphs. You should be able to defend your viewpoint using one of the ethical
• Case study on Adelphia Communications 5 pages
• Chemistry
• Compare a specific tension or disagreement that arose in the early church that is described in the Book of Acts...
• persuasive essay
• Help needed
• Intended ONLY for Dr. Collins - Test 5
• bestway,Inc. had credit sales of $142,000 for the period. The balance in allowance for doubtful accounts is a debit of $643 . If Bestway estimates that 2% of credit sales will be uncollectible, what is the required journal entry to record estimated uncoll
• need it on time citations for paragraphs is must and minimum 3 peer review references 0% plagiarism strict apa format
• ISSUE ANALYSIS PAPER INSTRUCTIONS Write a 5–7 pages paper analyzing an issue related to the intersection of international law, policy, politics, and diplomacy. First, you must identify a major international crisis:
• Critical Thinking Explained
• Short paper: Market Potential Indicator
• IT 215 Conversion Program
• 15-20 Slide PowerPoint on effects of advertising presentation
• mangement.... case
• business homwork
• Teacher Interview and Observation on Lesson Plan Implementation
• strict APA format 0% plagarism reference citations have to recive assignment ontime.
• should be delivered on time citations are must strict APA format 0% plagarisam minium 3 peer reviewed references
• Management Discussion
• Guigemar by Marie de France. At least 250 words summary and 250 analysis
• RES 327 ECONOMICS
• Depression Brochure
• management Journaling
• case study marketing
• Star Corporation issued both common and preferred stock during 20X6. The stockholders' equity sections of the
• Select an interest group from the following list and discuss its lobbying tactics in Congress: 1) AARP; 2) AFL-CIO; 3) NRA; 4) GLAAD; 5) National Right to Life.
• Due in 45 minutes
• Why does Elizabeth Sprigs compare her condition unfavorably to that of blacks?
• Verbal prompts, gestural prompts, modeling prompts, and physical prompts are all stimuli that guide people in their behavior. Describe instances of prompts that you find in the Bible. Discuss ways that the Lord built prompts and transfer of stimulus contr
• pc Hardware2
• write a summary (st)
• OPS 571 Week 6 Process Improvement Presentation
• Find the area of an equilateral triangle (regular 3-gon) with the given measurement.6-inch apothemA = sq. in.
• database design proposal analysis
• Management Information System Final
• whats the imperfect progressive tense of (caminar, correr, hablar,leer, and cruzar)
• Related ethical workforce privacy issue
• computerized accounting with quickbooks 2013 chapter 5
• Reflection Post #1
• CHE101 Lab Report & Lab
• Can this be done in time and finish on time?
• Banking Diagram
• P.T Beauregard.
• Need a BUSINESS ETIQUETTE POWERPOINT presentation
• management
• URGENT: Business Law Assignment
• FOR NJOSH ONLY. Write a summary/reaction style paper reviewing Traditional Religious Beliefs pages 45-51 or pages 52-56 regarding Politics and Government.
• regardless of which methodology they use, what are all sociologists trying to do?
• General Physics
• Global Marketing assignment
• Philosophy help
• Psychodynamic Theory Presentation
• For P
• LASA- Feasibility Study for Harley-Davidson PowerPoint
• Apc Calculation
• The OSHA standards indicate that compliance with NFPA 101-2009 will be deemed in compliance with 1910.34, 1910.36, and 1910.37. Do a bit of research on NFPA 101, and discuss if you think it is appropriate for OSHA to rely on this standard. (Note: You do n
• Medibracelets
• A train traveled 1/5 of the distance between two cities in 3/4 hour. At this rate, how many hours will...
• module 6
• What happens during meiosis that ultimately results ina defect characterized byt the addition of chromosomes? By the deletion of chromosomes?
• MISS PROFESSOR ONLY
• 1.Which of the following is not included in M1?a.Currency.b.Traveler’s checks.c.Transaction deposits.d.Savings deposits.e.Checking accounts.2.The functions of mon
• 1. Calculate the upfront fee on a CDS on Company XYZ with 4 years remaining and a par CDS rate...
• English 306 homework
• Marketing assignment
• COMM200/Week 2 Assignment
• Chemistry Nova - Absolute Zero - Must watch youtube video and answer questions due 12 hours $100
• A jogger accelerates from rest to 3.0 m/s in 2.0 s. A car accelerates from 38.0 to 41.0 m/s also...
• Can anyone help me with an organic chem lab "spectral analysis of Unknowns"
• Assignment: Chap7_HW_CNOW1.Blueprint Problem: Perpetual Average CostInventory Valuation BasicsIncome measurement and asset valuation are two concepts at the core of accounting....
• CRJ430 - Contemporary Issues in Modern Police Operations and the Policing
• Spanish Assignment I
• 2 pages due in 15hrs
• physicsJob
• espuestas brevesWBLM ¿Recuerda Ud.?Conteste las preguntas para expresar sus gustos y preferencias.¿A Ud. le gusta la leche?Sí, (No, no).¿A Ud....
• <object:standard:ss.912.w.2.9>What happened to the laws and traditions of the Western Roman Empire once it fell?
•  Please help me to select best writing service? I am higher secondary student and I want do many class works. Along...
• What is the organizational innovation of the pin factory and what, according to Smith, is its significance for society?
• Acct
• What is mole percent?
• How do you simplify ##(x y - y ) ^ { 2} - ( x ^ { 2} + y ^ { 2} )##?
• What is the function of the ureter? What is the function of the urethra?
• What are the nitrogen bases in a DNA molecule?
• How do you find all the prime factors of 16?
• The base of a cloud is located at an altitude of 2 km. The top of the same cloud is at an elevation of 8 km. In what part of the atmosphere is the cloud?
• What are some real life examples of the pythagorean theorem?
• How many cups are in a gallon?
• What are some examples of simple harmonic motion?
• What constraints does the law of conservation of matter place on chemical equations?
• What is the chemical formula for ammonium nitrate?
• Silicon dioxide empirical formula please?
• What are some examples of benthic zones?
• How can I make a calcium atom model?
• What is the reference angle of -370 degrees or ##(8pi)/3##?
• Why does a speedometer measure instantaneous speed rather than instantaneous velocity?
• Which of the following are inner transition metals? No, Sn, Mg, Am.
• What is the mechanism for synthesis of tetraphenylcyclopentadienone?
• What effect did Commodore Matthew C. Perry have on Japan?
• Atomic mass of hydrogen?
• Why is momentum considered a vector quantity?
• How did the Fronde affect the french monarchy?
• When would we use the 5-number summary to describe the distribution of a data set rather than using the sample mean ##barx## and sample standard deviation ##s##?
• If ##f## is a one-to-one function such that ##f(2)=9##, what is ##f^-1(9)##?
• What is bond order? How we can determine it? Please basics. Thank you so much.
• While solving an equation for wavelength if you are given MHz as the frequency what do you multiply it by to transfer it to s^-1 or hz?
• What is the mean, median, mode, and range of 5, 30, 35, 20, 5, 25, 20?
• For the three states of matter (solid, liquid, and gas) there are six possible changes of state. Which changes of state are exothermic and which are endothermic ?
• How does a solvent affect rf value?
• How do you use synthetic substitution to find f(3) and f(-4) for ##f(x)= x^4-8x-11##?
• What is meant by hydrophobic and hydrophilic?
• What is a solenoid?
• How does the formation of covalent compounds?
• How does density differ from concentration?
• What is the relationship between endocytosis and exocytosis?
• How can I identify functional groups in organic chemistry?
• What is the slope of a line parallel to ##y=3x+5##?
• "High diddle diddle, The Cat and the Fiddle, The Cow jumped over the moon. The little Dog laughed To see such craft, And the Dish ran away with the Spoon." What is the rhyme scheme?
• Who did President Johnson try to fire to test the Tenure of Office Act?
• What is the f2 generation?
• What is the square root of 196? with explanaition
• What trophic levels do decomposers feed on?
• What is the square root of 20 times the square root of 15?
• The temperature of dry ice is -109.3°F. This is 184.9°F less than the outside temperature. What is the outside temperature?
• Which of the following will show Keto-enol tautomerism. Also Explain How?
• How do you find all the factors of 28?
• Studying the difference between comma, semicolon, and period. Would love some examples of when to use each?
• If an ice-cream cone weighs 50 grams, how many ounces does it weigh?
• How did World War I help to bring about the Russian Revolution?
• What did the Tea Act do and say?
• What is the past tense of "raise"? Is it raised? Is it rose? Both?
• What are the reactants and products of photosynthesis and its role in the enviorment?
• How does cell specialization benefit multicellular organisms?
• How did the Mandate of Heaven affect government in China?
• What is the difference between siltstone and shale?
• Could someone explain to me the Rule of Compound Probability involving "and"?
• What are the structural Isomers of C4H10?
• What is the ratio of the measure of a 120 degrees-angle to the measure of its supplement?
• Which constellation is home to the Ring Nebula?
• What is the pH of 0.1 M ammonia solution if Ka for the ammonium ion is 5.62 x 10-10 and Kw = 10-14?
• What is a quasar classified as?
• What is catalytic decomposition?
• How do you calculate the percent composition of sodium bisulfate (NaHSO4)?
• Combustion of Methane Endothermic or Exothermic?
• How big is the universe in inches?
• What is the SI unit of acceleration?
• What is the difference between meristem culture and callus culture?
• What does the Hardy-Weinberg equation predict?
• What are the oxidation numbers in the compound H2O2?
• What rhyme scheme is aabbccdd?
• How do polar molecules differ from nonpolar molecules?
• Is acetone a protic or an aprotic polar solvent?
• Convert 0.75 ##"m"^3## to ##L##, 975 ##"ft"^2## to ##"m"^2##, and 5.0 ##"m"^3## to ##"cm"^3##?
• How many miles are equal to 4 kilometers?
• What is microevolution?
• What is an example of Attribution theory?
• How do you find all the factors of 47?
• What is the length of the diagonal of a rectangle with a length of 6 in. and a width of 4 in.?
• How do aerobic respiration and fermentation compare with respect to the efficiency of energy production?
• What are the units used for the ideal gas law?
• At a local pizza parlor, patrons have 3 choices of cheese and 5 choices of meat. In how many different ways can a patron choose 1 type of cheese and 1 type of meat?
• What is a salt bridge and how does it work? Are there other devices used in galvanic cells instead of a salt bridge?
• How do you find the surface area of the part of the circular paraboloid ##z=x^2+y^2## that lies inside the cylinder ##x^2+y^2=1##?
• What is the graph of the absolute value function ##x=absy##?
• Why is stoichiometry important?
• If a dozen bagels cost $5.40, how much does one bagel cost?
• What does "diction" mean in poetry? What does my English teacher mean when he refers to a poet's diction?
• How do you convert 5,400 inches to miles?
• Where are the larynx, pharynx, and trachea located? Which of these is the tube that forms two branches--one going to the lungs and the other to the esophagus?
• Is ##y=5x## an inverse variation?
• What is the advantage of aerobic metabolism over anaerobic metabolism in energy production in living organisms?
• What is a unit matrix?
• Who were the groups of workers represented by the Knights of Labor and the American Federation of Labor?
• Cu(NO3)2(aq)+HCl write the equation ?
• What are the isomers of C3H6O?
• The radius of the moon's orbit about the Earth is about ##3.6 * 10^8## ##m##. The moon's period is ##2.3 * 10^6## seconds. What is the centripetal acceleration of the moon?
• How do you calculate average speed?
• How is conservation of mass represented in a balanced equation?
• Which planet has the most moons?
• What sugar is found in DNA?
• What are the factors of 43?
• How are the three domains of life related to each other?
• What does ATP stand for in biology?
• How does the structure of the alveoli relate to its function in the lungs?
• What causes type 2 diabetes? What body systems does the disease affect and what effect does the disease have on the body?
• A person 1.80 m tall stands in front of a plane mirror. What is the minimum height of the mirror, and how high must its lower edge be above the floor for the person to be able to see his/her whole body? Person’s eyes are 6.0 cm below the top of the head.
• For a particular redox reaction SO3 2- is oxidized to SO4 2- and Cu 2+ is reduced to Cu + . What would the complete and balance equation for this reaction in basic solution?
• How do you convert .625 into a percent and fraction?
• How to balance mg+o2=mgo?
• What is the atomic number, atomic mass, and number of neutrons of oxygen?
• What are alternate interior angles?
• Suppose the half life of element K is 20 minutes. If you have 200 g sample of K, how much of element K will be left after 60 minutes?
• What is the main idea behind phylogenic classification of organisms?
• What is the rate law for the following mechanism in terms of the overall rate constant k? Step 1: ##A + B leftrightarrow C## (fast) Step 2: ## B + C -> D## (slow)
• What is the standard form of ##y-7=-2/3 (x+1)##?
• What is the discriminant of ##x^2-2 =0## and what does that mean?
• How do you find the volume of the parallelepiped with adjacent edges pq, pr, and ps where p(3,0,1), q(-1,2,5), r(5,1,-1) and s(0,4,2)?
• Can a right triangle also be an obtuse triangle?
• How do pituitary hormones affect the function of the testis?
• Calculate the pH of 0.15 M aqueous solution of ammonia?
• How do you prove ##(1+sinx)/(1-sinx)=(secx+tanx)^2##?
• What is coal composed of, and how do humans use it?
• The weight of an object on the moon. varies directly as the weight of the objects on Earth. A 90-pound object on Earth weighs 15 pounds on the moon. If an object weighs 156 pounds on Earth, how much does it weigh on the moon?
• How do you convert a pressure of 1.75 atm to kPa and to mmHg?
• What is the "Carbonic acid-bicarbonate" buffer system?
• Why is trade and specialization important in economics?
• A syringe containing 1.60mL of oxygen gas is cooled from 95.0∘C to 0.0∘C. What is the final volume of oxygen gas?
• What is a karyotype and what is it used for?
• When you multiply two odd or two even functions, what type of function will you get?
• What exactly determines whether a group is "Bulky" ? I've never known where to draw the line between bulky and not bulky. How do I tell?
• How do resonance structures affect bond length?
• An adult blinks about 450 times in 30 minutes. A 12 year old blinks about 150 times in 15 minutes. How many more times does an adult blink in minutes than a 12-year-old?
• What is the inflection point of ##y=xe^x##?
• The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. How would you calculate the mass of 17.4 mL of the liquid?
• Calculate the molar mass of carbon tetrafluoride ?
• Why is sulfuric acid considered a Bronsted acid?
• The sum of three consecutive even numbers is 48. What is the smallest of these numbers?
• What is the temperature between the earth and sun?
• Is a concave mirror converging or diverging?
• In how many ways can you rearrange the letters A, B, C, D, E?
• Who discovered X-rays?
• What are examples of flashback used in literature?
• Why is the distributive property important?
• Which of these numbers is a prime number 1, 11, 21, 51?
• Approximately how much more energy is released in a magnitude 7 earthquake compared to a magnitude 5 earthquake?
• How do you factor quadratic equations with a coefficient?
• If one square mile is 640 acres, how many square meters are there in 1 acre?
• Write balanced equation for proton-transfer reaction between HCl and PO43−?
• Which state is home to the world's first skyscraper?
• Is 0,0,0,... a geometric sequence?
• How are clouds formed and what factors affect their formation?
• What are the three main types of intermolecular forces?
• What does it mean if someone is ego-driven?
• The element copper has naturally occurring isotopes with mass numbers of 63 and 65. The relative abundance and atomic masses are 69.2% for a mass of 62.93 amu and 30.8% for a mass of 64.93 amu. What is the average atomic mass of copper?
• What are some examples of lophotrochozoans?
• How do you find perimeter of a triangle with 1 side given the angles are 105, 45, and 30 and the only side given is 8, opposite of the angle 30?
• What is electron affinity's definition?
• What is the purpose of anaphora?
• Does anyone know what an excited state configuration is? Pls Help!
• What is the speed of light in water? in glycerine?
• How many microliters are in 41.0 mL?
• What is the oxidation number of phosphorus in KH2PO4?
• What is the simplest form of the radical expression of ##(sqrt2+sqrt5)/(sqrt2-sqrt5)##?
• Garrett is 64 inches tall. How many centimeters tall is he?
• What is the function of the aorta in the urinary system?
• How do you prove ## cos ^2theta - sin ^2 theta = 1 - 2sin^2 theta ##?
• What is the radius of a circle whose circumference is ##16π##?
• What is isolationism and how did it affect China during the Ming dynasty?
• What are the different layers of the sun?
• What is the next number in the sequence 72, 36, 18, ____, 4.5?
• What is the definition of human anatomy and physiology? What is an example of each?
• How do you write 0.3% as a fraction?
• What are the functional divisions of the nervous system?
• Write an equilibrium expression for each chemical equation involving one or more solid or liquid reac- tants or products. CO2−3(aq)+H2O(l)⇌HCO−3(aq)+OH−(aq) Use A for [CO2−3], B for [H2O], C for [HCO−3], D for [OH−] Can someone help?
• What is a batholith and what part of a volcano does it represent?
• What are the advantages of using a stratified random sample?
• Find the horizontal and vertical asymptotes of the curve? y = 2e^x/e^x − 7 (smaller y-value)= larger y-value)= x=
• What is hemoglobin, and does it help with blood clotting?
• What is a physical change?
• Is this equation right HCl + NaOH ---> H2O + NaCl or NaOH+HCl--> NaCl + H2O & what the difference ?
• How do you evaluate ##sin^2(pi/2)##?
• What are some examples of convex mirrors?
• Can you explain the deviation of real gases using Van der Waals equation?
• A recipe calls for 1.2 cups of oil. How many liters of oil is this?
• Why was the 3/5 Compromise important?
• What is an adjective for the word "modern"?
• What is the square root of 42?
• Atmospheric oxygen is denoted by what symbol?
• What is the difference in function between acetylcholine and acetylcholinesterase?
• How do polyatomic ions bond?
• What is the second derivative of inverse tangent?
• How do you find pH if given osmotic pressure and temperature?
• What's an ion?
• What are enlarged montgomery glands? What do they look like?
• Where is DNA located?
• A sphere has a volume of ##288pi##. What is the radius?
• What is the difference between a subject complement and a predicate? They both come after the verb in a sentence, so what's the difference?
• How do you name alkanes from Newman projections?
• What is the difference between liver cancer and cirrhosis of the liver?
• How does the law of independent assortment increase variation?
• What is an example of an exposition?
• What are the particles on the surface of the cristae in mitochondira called? How do they work?
• How many bonding orbitals are in Silicon Tetraflouride, or ##SiF_4##?
• The perimeter of a football field rink is 346 yards. If the length is 14 yards more than 2 times the width, what are the dimensions?
• How do you evaluate ##arccos(cos(5pi/4))##?
• What are some points of difference between active and passive transport? Also, what is the difference between diffusion and osmosis?
• The density of liquid mercury is 13.6g/ml. What is it's density in units of lb/in³ ?
• If now is june then what month will it be 100 months from now? a) April b) October c) june
• What does a negative heat capacity mean?
• What are decomposers?
• What is a fraction sequence?
• What is the difference between a constant and a coefficient?
• Find the equation of the parabola that has vertex,(-2,4),axis of parabola is parallel to the x-axis and passing through the point (3,8)?
• What are the dimensions of a soccer field if the perimeter is 300 years and the length is 50 yards longer than the width?
• How do you write the expression for "Twice the difference of a number Z and 12 is equal to 10"?
• How does the endosymbiotic theory explain the origin of eukaryotes?
• What is the empirical formula of calcium sulfate?
• What is reverse blood flow in heart chambers?
• What was the goal of the American Colonization Society (ACS)?
• A guy wire supports a tower. The wire forms an angle of 57 degrees with level ground. The wire is anchored to the ground 16.5m away from the base of the tower. How long is the guy wire?
• What were the three periods that divided the Mesozoic era?
• How are carrying capacity and limiting factors related?
• What percent of the earth's surface is covered by water?
• What is a formula unit?
• Calculate the mass ratio of zinc to iodine in zinc iodide .( mass of zinc consumed is 1.05g and mass of iodine consumed is 1.98g)Mass of ZnI2 after reaction is 2.45g ?????
• How can molarity be used as a conversion factor?
• A capacitor is charged to potential difference of 12V it delivers 40% of its stored energy to lamp? what is final potential difference across capacitor? a. 4.3V b. 4.8V c. 7.2V d. 9.3V
• What is the difference between the remainder theorem and the factor theorem?
• What are examples of skeletal system diseases?
• What is the decay equation for the beta decay of uranium 237?
• What is the z score of a 99 confidence interval?
• How many kilograms is 130 pounds?
• Pristine Printing will print business cards for $.10 each plus a setup charge of $15. The Printing Place offers business cards for $.15 each with a setup charge of $10. What number of business cards costs the same from either printer?
• What is the difference between tautomerism and metamerism?
• Where in the kidney is the renal medulla?
• Hank has a board 1.75 meters long. He used 0.8 meter to build the walls of a bird house. He used 0.4 of what is left for the floor. He needs 0.6 meter for the roof. Does he have enough wood for the roof?
• Please describe each mixture separation technique?
• The volume of a sphere is given by V = (4/3)πrr3 , where r is the radius. Compute the volume of a sphere with a radius of 199 pm. State your answer in units of m3?
• What simple machines belong to the lever family?
• What is the name of a polygon if the ratio of the interior to exterior angle is 7:2?
• What is the nuclear equation for uranium-238 after alpha radiation is emitted?
• Explain Back Bonding in B2H6. Is it a 3 center bond?
• How does pH affect Gibbs free energy?
• What is the function of a fruit?
• Why are metallic compounds insoluble in water?
• What does "being made redundant" mean? Not the repetitive meaning, the employment-related meaning?
• What is the domain and range of ## y= sqrt(x) -2##?
• 2.4g/mL to mg/L?
• What is the difference between the formula for variance and sample variance?
• How do you condense ##20lna-4lnb##?
• How is binary fusion different from budding?
• If ##tan (x) =5/12##, then what is sin x and cos x?
• How many cups are equivalent to one pint?
• Michelle has two different babysitting rates. Rate A is a flat fee of $10 plus $10 per hour. Rate B is $12 per hour. What is the LEAST number of hours she must baby-sit to make Rate B the better paying rate?
• What determines whether precipitation is in the form of rain, snow, hail, sleet, etc?
• How do you evaluate ##cot(arcsin(x-1))## without a calculator?
• How would you classify each of the following as element, compound, or mixture?
• How can I use scientific notation on casio calculator?
• What are tides and how are they produced?
• What are unbalanced forces?
• What effect does the Coriolis effect have on climate?
• What is the derivative of ##ln(1+(1/x))##?
• Is the SI unit of volume derived from the unit of length?
• What are some examples of gustation?
• The moon is approximately 385,000 km from Earth. What is this distance in astronomical units?
• What are the factors of 16?
• How do bacteria reproduce?
• What's the difference between a mandate and a colony?
• Sherry is 25 years younger than her dad. The sum of their ages is 59. How old is Sherry?
• Bob wants to cut a wire that is 60 cm long into two pieces. Then he wants to make each piece into a square. Determine how the wire should be cut so that the total area of the two squares is a small as possible?
• How many electron shells does the element nitrogen have?
• If a^2 +b^2 + 4c^2 = 2(a+b-2c)-3,and a,b,c are real, then the value of (a^2+b^2+c^2)is?
• How does an electric generator work?
• What is the electron configuration for bromine?
• From the Heisenberg uncertainty principle how do you calculate Δx for each of the following: (a) an electron with Δv = 0.340 m/s (b) a baseball (mass = 145 g) with Δv = 0.200 m/s?
• Why did Parliament believe the colonists would accept the Tea Act of 1773?
• Why is ammonia not an arrhenius base?
• What's the difference between parables and allegory?
• What is the difference between a food web, a food chain and an energy pyramid?
• How can I tell the Bowman's Capsule and Renal Corpuscle apart?
• What is centre of buoyancy?
• The first Ferris wheel, designed by George Ferris was built in 1893 in Paris. France. It had a diameter of 76 m. About how far would you travel in 8 turns of this wheel?
• Who were Minamoto Yoritomo and Tokugawa Ieyasu?
• A sample of calcium nitrate, ##Ca(NO_3)_2##, with a formula weight of 164 g/mol, has ##5.00 x 10^25## atoms of oxygen. How many kilograms of ##Ca(NO_3)_2## are present?
• How do you convert ##r=sin(2theta)## into a cartesian equation?
• Does the skeletal system determine the shape of your body or how many bones you have?
• How to balance the equation H2So4 + Fe = Fe2(So4)3 + H2?
• When people say, "No pun intended," what does that mean?
• The hypotenuse of a right triangle is 10 inches. The lengths of the two legs are given by 2 consecutive even integers. How do you find the lengths of the two legs?
• How many litres are in a gallon?
• What is the sum of 1/4 and 3/8?
• What is 2 times the square root of 3?
• What are the steps in the scientific method?
• What is codominance?
• How do you say, "Do you want to go outside?" in Spanish?
• Why is the anatomical position of the body important?
• What is a simple example of understatement?
• Why did the colonists call the Coercive Acts the "Intolerable Acts"?
• What is the electron configuration for the element Pb?
• What is the atomic model timeline?
• How do you calculate the percent yield of triphenylmethanol?
• Is the molar mass of oxygen 16 or 32?
• What organ system is found only in the thoracic cavity?
• Why is boron trifluoride a trigonar planar and phosphorus triflouride a trigonar pyramidal?
• Did Rutherford's gold foil experiment change the view of the atom?
• What is activation energy? What is threshold energy? What are the differences between them?
• Find the possible values of the included angle of a triangle with : sides 5cm and 8cm, and the area 15cm^2??
• Imagine tossing a fair coin 3 times. What is the sample space for this chance process, and what is the assignment of probabilities to outcomes in this sample space?
• Under certain conditions, nitrogen and oxygen react to form dinitrogen oxide. Suppose the mixture of 0.482 mol N2 and 0.933 mol O2 is placed in a reaction vessel of volume 10.0 L and allowed to form N2O at a temperature for which Kc = 2.0x10^-37?
• Is sodium cyanide a strong base or strong acid?
• How do chemical bonds form between atoms?
• How does the structure of benzene differ from the cyclohexane structure?
• What are the prime factors of 196?
• What are the main types of fronts?
• What are 3 density independent factors?
• What is the difference between radius & diameter?
• How do I use the binomial theorem to find the constant term?
• What classification is a worm?
• What intermolecular forces are present in ##C_2H_8O## (1-Propanol)?
• What is osmosis?
• How are shape and volume used to classify solids, liquids, and gases?
• Based on its position in the periodic table, the element sulfur would be expected to have how many valence electrons?
• Is the statement true or false 10 ∉ {x|x ∈ ℕ and x is odd} ?
• Is ethoxide a better nucleophile in methanol or acetone?
• How does a Bronsted-Lowry acid differ from an arrhenius acid?
• What are hormones responsible for?
• How did the explosion of the U.S.S. Maine stir war fever?
• What do scientists mean when they say that species is the only "natural" rank in classification?
• How much will it cost to purchase chicken wire for a fence if 53 feet are needed and the fencing costs $4.71 per yard?
• What temperature in Fahrenheit does water freeze at?
• Convert 6/7 to a decimal.Round to the nearest hundredth?
• How do you find all the factors of 44?
• A pentagon can be divided into how many triangles by drawing all of the diagonals from one vertex?
• In the following reaction, 2NaN₃ decomposes to form 2Na plus 3N2. If 500 g of NaN3 decomposes to form 323.20 g of N2, how much Na is produced?
• A circle with center (-2,1) is tangent to the y-axis. What is the radius, equation, and is the circle also tangent to the x-axis?
• How can I find the percent compositions of NaOH?
• The height of a room is 8 feet and 2 inches. If Maria is 64 inches tall, what is the distance from the top of her head to the ceiling?
• How many yards are in a 1/4 of a mile?
• Is "The door creaked." an example of an onomatopoeia?
• How did the Vietnam War end?
• What is the mass of a 1.75L sample of a liquid that has a density of 0.921 g/mL?
• During what stage of the cell cycle does DNA replication occur?
• Is NaOH a Bronsted-Lowry base?
• How do you calculate concentration from absorbance?
• When lava or magma cool and solidify which type of rock do they form?
• What is the simple subject in these sentences? I have a quick question. This is really confusing me.
• If θequals = 32°​, find the distance between two​ cities, A and​ B, to the nearest mile. The radius of the Earth is approximately 4000 miles. The distance between the two​ cities, A and​ B, is approximately how many miles?
• What are pheromones?
• Is it correct to say that constant speed = 0 acceleration = no resultant force?
• Why can single bonds rotate?
• If ##sin (x) = 0.5##, how do you find the value of x?
• How would you convert ##g/(cm^3)## to ##mL##?
• How many composite numbers are between 1 and 100?
• How do you explain Le Chatelier's principle?
• What is the purpose of a Punnett square?
• What is the bond polarity of NH3?
• What is the Lewis dot symbols for dihydrogen monosulfide, ##H_2S## and nitrogen trichloride, ##NCl_3##?
• What is an “en passant” synapse, and how does it differ from a neural synapse?
• What is the balanced equation for the complete combustion of pentane (C5H12)?
• How can structure of XeF3+, XeF5+ , XeOF4 , XeF4 are possible according to VSEPR theory?And also how we can determined which atom or molecule have how many bond and lone pairs?
• What does the atomic number tell you?
• What is the integral of ##(e^(2x))/(1+e^(2x))##?
• What is the reciprocal of square root of 2?
• How many words can be formed from the letters of the word 'computer' if each letter is to be used once?
• How do seedless vascular plants differ from nonvascular plants?
• What is b in the equation: ##Exp_b(3) = 27##?
• What is basalt?
• What is a circuit diagram?
• What is the definition of an unbalanced force?
• Which statement about a hypothesis is true? 1-It is an initial interpretation or explanation. 2-It can possibly be proven wrong. 3-It can be tested via experimentation. 4-It is fundamental component of the scientific method. 5-All of the above statem
• How far is it to the nearest galaxy?
• Is butanoic acid secondary alcohol? If not, what level of alcohol is this? Can 2-butanol be made from butanoic acid? Why or why not?
• What is a good way to remember what euphemism means?
• How do you simplify (Square Root 35) times (Square Root 15)?
• What is the domain and range of ##y=-sqrt(x^2-3x-10)##?
• Is a temperature of ##"55"^@"F"## approximately equivalent to ##13°"C"##?
• How many right angles does a hexagon have?
• When did the big bang occur?
• What does disproportionation reaction mean?
• Is NH4OH a covalent or ionic compound?
• What is the chemical equation for the reaction between ammonium sulphate and sodium hydroxide?
• What is a mass defect and why is it important?
• How do you find the Least common multiple of 14, 6?
• What is the point slope form of an equation with the slope of 3/5 that passes through the point(10,-2)?
• How can I calculate the specific heat of aluminum?
• How do you add all the odd numbers between 1-99 inclusive?
• What are number of neutrons in ##H_2SO_4##?
• What were the major concerns of the Muslim League?
• What percent of earth's history did dinosaurs live?
• What are the isomers of C6H12?
• Is the square root of 14 rational?
• What is Ka?
• What is the atomic number for helium?
• How do you find the 6 trig functions of 120 degrees?
• What is the formal charge of carbon atom in the lewis structure of carbonyl sulfide (##OCS##)?
• What is the role of protein channels in the cell membrane?
• Which is the correct Lewis structure for chloroform, CHCl3?
• How can a converging lens produce a virtual image?
• How do you graph ##y=-3 sec x##?
• Im having trouble with this question. A sample of NaBr contains 22.34% Na by mass. considering the law of constant composition how many grams of sodium does 8.01 grams sample of sodium bromide contain?
• What is the molar volume of gases at STP?
• What is the ionic formula for sodium chloride?
• How do you use L'hospital's rule to find the limit ##lim_(x->oo)xsin(pi/x)## ?
• What is evaporation?
• What is a reservoir of disease?
• What are all the factors of 64?
• Please explain ' Law of purity of gametes ' ?
• Why would knowing the correct way to lift a heavy object be an important behavior to protect the health of the male reproductive system?
• The electron affinity of bromine is a negative quantity while it is a positive quantity for krypton, using the electron configurations of the two elements, how would you explain the difference?
• How do you solve by completing the square: ##2x^2 + 4x +1 = 0##?
• What is the different between a chromosome, chromatin and a chromatid?
• What was the Tet Offensive and what significance did it have relating to the Vietnam War?
• How do you change kilograms to pounds?
• How do you factor ##x^3+343##?
• What is isotope notation?
• How does the law of conservation of matter relate to biology?
• How many states succeeded from the Union and joined the Confederacy.
• How do you find the domain and range of ##y = 2x - 1##?
• How do you use the half angle formula for ##sin ((5pi)/12)##?
• What is the IUPAC name of iso-octane?
• How would you rearrange the Henderson–Hasselbalch equation to find out [a/ha] from pH=pKa + log[a/ha] ?
• What is an example of a motif?
• What neurotransmitter is released at the preganglionic synapses of the sympathetic division? What neurotransmitter is released at the postganglionic synapses of the sympathetic division?
• Is homeostasis a type of dynamic equilibrium?
• Where is the heart's natural pacemaker located and what does it do?
• How do you describe an acute angle?
• How do you graph the linear equation x-y=3?
• Evaluate ##sum (2n+1)/2^n## from n=0 to infinity ?
• How can I draw the Lewis structure for PH3?
• What does Susan B. Anthony mean by "alleged crime"?
• Which function has a domain of all real numbers? A.y=cotx B.y=secx C. y=sinx D.y=tanx
• In a redox reaction, what do oxidation and reduction mean?
• What are bond parameters?
• What effect did the Fifteenth Amendment have on the women's rights movement?
• How do you explain diffraction using Huygens principle?
• Calculate the mean molality and ionic strength of a 0.002 molar aqueous solution for the electrolyte La(HCO3)3?
• How can you determine if a compound is a purine or pyrimidine?
• How to calculate the osmolality of this patient with serum result of Na 140 mEq/L, K 4.0, mEq/L, glucose 95mg/dl, BUN 10 mg/dl?
• How can I balance the equation ##Zn + HCl -> ZnCl_2 + H_2##?
• How do you solve 32 to the power of 2/5?
• If there is a predicate adjective or predicate noun, can there be an indirect object?
• What is an organism made of one cell called?
• What is a neutral fiscal policy?
• How is the law of conservation of energy similar to the law of conservation of mass?
• What is the function of the gallbladder in the digestive system?
• What type of double displacement reactions yield carbonic acid as a product?
• How can I calculate percent error?
• What is the difference between a noun clause and a noun phrase?
• What is the ionic compound formula of sodium hydroxide?
• How do you find frequency in uniform circular motion?
• What is precipitation?
• How do you determine whether the quantitative variable is discrete or continuous given the length of a piece of string?
• How can I calculate the wavelength of radio waves?
• What is the force, in terms of Coulomb's constant, between two electrical charges of ##-1 C## and ##-2 C## that are ##4 m ## apart?
• How do you evaluate ##sin^-1(-sqrt3/2)## without a calculator?
• How do you evaluate the integral of absolute value of (x - 5) from 0 to 10 by finding area?
• Why are plants green?
• How do the prefixes in the metric system relate to the basic units?
• How do you factor ##x^3y^3 - 8##?
• A rancher has 1000m of fencing to enclose two rectangular corrals. The corrals have the same dimensions and one side in common (let that side be x). What dimensions will maximize the enclosed area?
• An alcohol has the molecular formula C4H10O write the structural formulae of the isomers to show chain isomerism?
• How do you differentiate ##f(x)=xlnx-x##?
• A person invests $5000 in treasury notes and bonds. The notes pay 8% annual interest and the bonds pay 10% annual interest. If the annual in- come is $480, how much is invested in treasury notes?
• Free body diagram help? Ramon pushes on a bed that has been pushed against wall, draw a diagram that identifies the forces and make a separate list of all forces that the bed applies to other objects
• What are some examples of organisms in the phylum arthropoda?
• If 36.10 mL of 0.223 M of NaOH is used to neutralize a 0.515 g sample of citric acid, what is the molar mass of the acid?
• How is a z-score useful in comparing two different distributions?
• A can of corn has a diameter of 6.6 centimeters and a height of 9.9 centimeters. How much corn can the can hold?
• How do you calculate the pH of a solution when given the OH- concentration?
• How is a high blood pressure built up in a glomerulus? Why is this high blood pressure needed?
• How are atoms and molecules related?
• What are molecule examples?
• ammonium iodide reacts with lead (II) nitrate forming ammonium nitrate and lead (II) iodide
• What is an adjective infinitive phrase?
• The quotient of 9 times an unknown number and 16 is 81. What is the value of the unknown number?
• What is the reproductive system?
• How do you simplify: the square root of -500?
• How do you solve ##sin2x - 1 = 0## from [0,360]?
• What comes first when naming ionic compounds, the cation or the ion?
• What is the balanced equation of Zn+Pb(NO3)2---Pb+Zn(NO3)2?
• Affect v.s. effect, when would you use each of them?
• Why does the Sun rise in the east and set in the west each day?
• What are some French and Indian War propaganda examples?? I know newspapers were a big thing, does anyone know anything else?
• What is the formula for aluminum sulfate?
• What are some examples of cancellous bone?
• How does half life relate to isotope stability?
• What is the difference between monograde and multigrade oil?
• What would happen if during meiosis, chromosomal crossover would not occur?
• What are epithets? What are several examples of epithets?
• How does chemotherapy work to treat cancer?
• An electric clothes dryer draws 18 A from a 240-V wall outlet. How much power, in watts, does it use?
• Who founded the Maryland colony?
• What is the distance between the sun and the earth?
• What does "Literary canon" mean?
• What are the explicit equation and domain for an arithmetic sequence with a first term of 8 and a second term of 5?
• What is the definition of nuclear energy?
• Is type O blood the universal recipient or the universal donor or both?
• Who was the first female astronaut in the United States?
• What is the derivative of ##y=arccos(1/x)##?
• In a dihybrid cross, AaBb x AaBb, what fraction of the offspring will be homozygous for both recessive traits?
• What are index fossils ?
• Are there any other formula of average acceleration beside change in velocity over change in time?
• What is the basis for the quantum mechanical model are the atom?
• Why do some organisms use both types of reproduction?
• What is the greatest common factor of 30, 45, and 50?
• What is the sec^2 (pi/3)?
• What portion of the heart do semilunar valves prevent backflow into? What portion of the heart do the atrioventricular valves prevent backflow into?
• What stereoisomers are obtained from hydroboration–oxidation of 1-ethylcyclohexene?
• The temperature is - 35 degrees C. What is the temperature in degrees F?
• A 2 year old boy begins severely craving for salt and starts developing sexually. His test results shows hyperglycemia. What endocrine gland is hypersecreting? Why?
• What are the possessive nouns in the sentence fragments below?
• What is a connotation of cacophony?
• Calculate the concentrations of all species in a 0.300 M ##Na_2SO_3## (sodium sulfite) solution? The ionization constants for sulfurous acid are ##K_(a1) = 1.4* 10^(–2)## and ##K_(a2) = 6.3 * 10^(–8)##. ##[Na^+]## ##[SO_3^-2]## ##[HSO_3^-]## ##[OH^-]## ##[H^+]##
• What is the hottest planet in our solar system?
• Which of the following is an oxidizing agent?
• Draw the molecular orbital diagrams of : ##O_2## ; ##O_2^+## ; ##O_2^-## ?
• How does metallic bonding affect the properties of metals?
• Is blood a homogeneous mixture or a heterogeneous mixture?
• What is 0.3% as a fraction?
• How do you find all six trigonometric functions of 240 degrees?
• Is water and hexane miscible or immiscible?
• How does inertia relate to the flight of an airplane?
• What is a lever?
• At the poles, how fast does the earth spin?
• What is 0.25 repeating as a fraction?
• What is the integral of ##cos^6(x)##?
• What is the empirical formula and empirical formula mass for the following compound: C3H6O3?
• What is the amplitude, period and range for ##f(x)=-2sin(2x)-1## and how do you graph it?
• Why did the Apollo 13 astronauts feel as if they were suffocating, despite having an adequate amount of oxygen?
• Changing the temperature or pH can change an enzyme's shape. How might changing the temperature or pH affect the function of an enzyme?
• What effect does hypotonic fluid and hypertonic solution have on ADH secretion?
• Why is the surface of water in a graduated cylinder curved?
• The area of Texas in square miles is approximately 5 times the area of Arkansas. If the area of Arkansas is 53,178 square miles, what is the area of Texas?
• 815 gal/h is equivalent to how many qt/sec?
• What do you mean by physiological buffers? What are the different types of buffers found in the blood? If possible, please state examples.
• What is the difference between isotopes and isobars?
• Water molecule are able to form hydrogen bonds with? A OXYGEN gas o2 molecules b any compound that is not soluble in water c compounds that have polar covalent bonds d oils
• What is a predicate complement?
• The length of the diagonal of a square is 8 cm. How long are the sides of the square?
• What is the difference between stratified sampling and cluster sampling?
• Is Lithium hydride, ionic or covalent bonding?
• A sample of N2O effuses from a container in 43 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container under identical conditions?
• How do the unique chemical and physical properties of water make life on earth possible?
• What happens to the angle of refraction as the angle of incidence increases?
• What is the size of the universe in inches?
• What are examples of cliches used in love songs that people hate? Is a cliche the same as a corny line?
• What is dichotomous branching?
• How do heredity and mutation differ in meaning?
• How does static electricity work in a balloon?
• If a swimmer swims 85.4 yards in 5 minutes. How many meters will he swim in 70.0 seconds?
• Why was Archduke Francis Ferdinand assassinated? How did Austria-Hungary react?
• How do you evaluate ##tan(arccos(-3/4))## without a calculator?
• Suggest a procedure to separate iron filings form sawdust. Explain why the procedure works?
• The barometric pressure in Breckenridge, Colorado (elevation 9600 feet) is 580 mm Hg. How many atmospheres is this?
• What percentage is the mass of the moon compared to the mass of the earth?
• How do sun like stars form?
• Is ( R )-sodium lactate dextrorotatory or levorotatory?
• Where does the alimentary canal end?
• On a scale drawing, ##1/4## inch = ##1## foot. What are the dimensions on the scale for room that is 27 feet by 20 feet?
• What is diffusion and how does it occur?
• The law of conservation of energy states that, "Energy cannot be created nor destroyed, but it can be transferred from one body to another". If that is so, where did energy come from at the FIRST place?
• What causes ringworm ? What's it's span in the host body ?
• What is the diameter of a circle whose area is ##16####pi##?
• How old is the earth compared to the moon?
• What is a common noun? Definitions and examples would be helpful!
• The element bromine with atomic number 35 belongs to which block? Thank you
• Why is the Kelvin temperature scale used in science?
• Why does Newton's cradle stop?
• How can neutralization reactions be identified symbolically?
• What units are used in the equation pv=nrt?
• What does exclamation an point mean in math?
• Can anyone please tell me the definition of Meiosis?
• What is ##14 + 18 -:2 * 18 -7##, using order of operations?
• What are polyatomic ions containing oxygen atoms called?
• How do you calculate the ##arcsin (-1/ sqrt 2)##?
• What are halides? What are some examples of them?
• Is an ideal gas always measured using STP conditions?
• What is the probability that an individual heterozygous for a cleft chin (Cc) and an individual homozygous for a chin without a cleft (cc) will produce offspring that are homozygous recessive for a chin without a cleft (cc)?
• How many sigma and pi bonds does ##"Ca"("CN")_2## contain?
• What is a normal resting heart rate for an 18 year-old, healthy male?
• What is an example Kepler's Third Law practice problem?
• On a road map, the distance from Cleveland to Pittsburgh is 4.5 cm. What is the actual distance between the cities, if the map scale is 1.5 cm is 30 miles?
• How do you prove ##(sinx+cosx)^2 = 1+2sinxcosx##?
• One pound of bananas costs $0.55. How much would 2.5 pounds cost?
• What are some examples of concave mirrors?
• The molecular formula of lithium carbonate is Li2CO3. What is the molecular weight of this drug?
• What's the prefix for 6 when naming molecular compounds?
• How do you use exponents to write 7.5 million in expanded notation?
• Why are organic compounds important?
• What is a tissue?
• Why did the Boxer Rebellion fail?
• How are orbitals related to energy levels?
• How does Newton's third law apply to a rifle firing a bullet?
• why do we get red colour when we burned strontium chloride?
• How does the nucleus relate to its function?
• How do you convert 260 degrees to radians?
• How is an index fossil useful to geologists in establishing the age of the rock layer in which they find it?
• What were the similarities and differences between the Virginia and New Jersey Plans?
• What is a hemisphere?
• How many meters are in 1 kilometer?
• A calcium atom with a mass number of 46. What is the atomic symbol? Express your answer as an isotope.
• What 3-digit number is a perfect square and a perfect cube?
• How do you combine like terms in ##-4+ 7( 1- 3x )##?
• Who invented the lightning rod, bifocals, and the catheter?
• What are the reactants in this combustion reaction: ____ —> CO2 + 2H2O?
• How many pounds are in a ton?
• Can a plant cell have chloroplasts,leucoplasts and chromoplasts at the same time?
• Is the caffeine molecule polar or non polar?
• How do I find the real zeros of a polynomial function on a graphing calculator?
• How do you find x-intercepts, axis of symmetry, maximum or minimum point, and y-intercept for the equation ##y=1/2(x-8)^2+2##?
• Can you define ecology?
• How many biomes are there?
• What is the function of an endocytic vesicle in an Eukaryotic cell?
• What is a compound, element, and mixture?
• How can density be used to identify substances?
• Combination reaction when nitrogen combines with hydrogen, ammonia is formed?
• Assume for a moment that air consists of 80% nitrogen and 20% oxygen by volume. Using these three figures and typical values for temperature and pressure (1.000atm, 25 degrees C) calculate the density of air?
• How do you find the complement and supplement of an angle if the angle is 85 degrees?
• How do you find the prime factorization of 72?
• How do you write ##sqrt(160)## in simplified radical form?
• What is pH of the solution? 120 mg Na2HPO4 and 100 mg of NaH2PO4 dissolved in 1 L of deionized water.
• What is abrasion and how does it result in erosion?
• How many lines of symmetry does a regular decagon have?
• What is the difference between merocrine and apocrine?
• One angle in a linear pair is 70 degrees. What is the second angle.?
• How do you simplify square root of 35 times square root of 10?
• What are the differences between a seismometer, seismograph, and seismogram?
• The gauge pressure in both tires of a bicycle is 690 kPa. If the bicycle and the rider have a combined mass of 90.0 kg, what is the area of contact of each tyre with the ground?
• To bring 1.0kg of water from 25 c to 99c takes how much heat input? (in kilojoules)
• What does a low absolute lymphocyte count indicate?
• In electrolysis of water : 1.name the gas collected at the cathode and anode respectively? 2.how we will test this evolved gas ?
• What do arteries,veins, and capillaries do?
• For what value of ##x## is the value of ##f(x) = 4x — 2## equal to 18?
• What are some good Bible verses for a someone who is confused about what path to take in life?
• When air pressure increases, the liquid in a Mercury barometer
• How do you convert 87.5% as a fraction and a decimal?
• How do you complete the square and solve ##x^2+3x-28=0##?
• What are some examples of direct variation in real life?
• When did the Great Depression end?
• What is the most abundant element in the earth as a whole?
• Why might an oxygen dissociation curve be sigmoidal?
• In a vinegar and baking soda balloon experiment, which gas law is being demonstrated?
• What is the definition of an action verb?
• Are diamonds made in the laboratory considered to be minerals?
• What type of organism appeared during the Ordovician Period?
• How is Charles' law different from Gay-Lussac's law?
• Which quadrant does the terminal side of -200 degrees lie?
• What is the general formula to convert radians to degrees and vice versa?
• Who invented the cotton gin?
• How are fusion and fission similar?
• What is a six-sided polygon called?
• What is the molar mass of (NH4)2CO3?
• What is the function of cilia and mucus in the trachea, bronchi, and bronchioles?
• What is the VSEPR model for ##N_2##?
• Is this interrogative sentence or imperative sentence: "Tell me something about yourself."?
• What is significant about the early Tertiary period?
• What is the approximate molecular mass of dry air containing 78% N2 and 22% O2? Explain stepwise.
• Calculate the number of oxygen atoms in 120.23 g of iron (II) phosphate, Fe3(PO4)2?
• What is the impact of AST/ALT ratio? Which name is frequently used for this ratio?
• How do you solve a gas law stoichiometry problem?
• What were 3 of President Wilson’s 14 points?
• Solve: x^(-3) = 8 How do I solve for x?
• Is virus a living or non-living thing?
• What are nucleotides?
• Why are endothermic reactions useful?
• How do you prove ##(cosx/(1+sinx))+((1+sinx)/cosx)=2secx##?
• How many pounds of nuts selling for $6 per lb and raisins for $3 per lb should a person combine to obtain 150 lb of trail mix selling for $4 per lb?
• What is the difference between a ray of light and a beam of light?
• What is the formula for lithium sulfide?
• In the following reaction, what mass of calcium carbonate, CaCO3, would be required to produce 881 L of carbon dioxide, CO2, measured at STP? (I dont understand where to begin...)
• How does Newton's first law affect a balloon car?
• What are the receiving chambers of the heart and what are the discharging chambers?
• How do you determine if ##f(x)= x^3 + 1## is an even or odd function?
• For lunch Jack had a big mac and two small fries containing 1000 calories while randy had three big macs and two small fries containing 2080 calories how many calories are in big mac?
• Why is the coefficient of restitution important?
• Suppose the measure of an exterior of an equiangular triangle is ##(x+15)°##. What is the value of x?
• Why do we yawn?
• Label the acid-base and conjugate acid-base pairs? HCO3–(aq)+ H2O(l) ---->H2CO3(aq)+ OH–(aq)
• Why is arctan(0) = 0?
• What is the difference between a pseudocoelom and a true coelom, and what is an example of an animal that possess each?
• The rate of effusion for ##H_2O## vs. ##H_2S## is______?
• What is the s,p,d,f configuration of Co?
• How does Newton's first law affect human motion?
• What change in weather does a barometer measure?
• Which fraction represents the ratio six of cups in a 5 quart in simplest form?
• Why are London dispersion forces weak?
• Why are the volcanoes on Mars bigger than those on Earth?
• How do you convert 2.21 x 10 ^-4 dl into microliters?
• Draw the structural formula of methanal?
• How many cups are in a quart?
• What is the difference between mean, median, average, and mode?
• Are triflate, tosylate and mesylate the only good leaving groups?
• Mars is about 1.5 times as far from the sun as the earth and its mass is about 0.1 times the earth's mass. Relative to the gravitational force the sun exerts on the earth, what is the force it exerts on Mars?
• How do enzymes and substrates work together?
• Carl has a piece of toast that has jelly on one side, and he dropped it twice. Both times, it landed with the jelly side up. If he drops it two more times, what is the probability that it will have landed jelly side up a total of three times?
• How many elements make up the lanthanide series?
• What is the equation for circumference?
• Shannon walked ##1 2/3## miles on Wednesday and ##2 3/5## miles on Thursday. What was the total distance, in miles, Shannon walked during those 2 days?
• How do you do you multiply a 3x2 matrix by a 2x2 matrix??
• What is the atomic mass of nitrogen?
• What does "equally inclined to both axes" mean in regards to a line?
• What is glycerol used for?
• What is the area of an equilateral triangle with height of 9 inches?
• What is a carnot engine?
• What is the name of the galaxy we live in?
• How do you simplify the fraction 10/20?
• What is the beta decay equation?
• NH4I (s) <==> NH3(g) + HI(g) A mass of 5 g of NH4I is sealed in a 2.00L flask and heated to 673K. If 2.56g NH4I(s) remain unreacted when the system has reached equilibrium, what is the equilibrium constant (Kp) for the reaction? (R = 0.0821)
• What is the right amount of exclamation points in a formal email? Where are they appropriate if you want to come off as friendly but professional?
• How does the antiparallel structure of the double helix affect replication?
• What are the variance and standard deviation of {1, -1, -0.5, 0.25, 2, 0.75, -1, 2, 0.5, 3}?
• What would be the area of a regular polygon with a perimeter of 20 feet and an apothem of 3 feet?
• What is the constant of variation for 3x=4y?
• What is anastrophe in literature?
• Why is oxygen difluoride polar?
• What are examples of prepositional phrases?
• An object that weighs one pound on the moon will weigh about 6.02 pounds on Earth. Suppose a moon rock weighs 11 pounds on the moon. How much will the same rock weigh on Earth?
• The opposite angles of a parallelogram have measures of ##3x-20## and ##x+15##. What is ##x##?
• What is the difference between primary active transport and secondary active transport?
• What is Sine, Cosine and Tangent?
• What is the boiling point of water in kelvins?
• Is CH3CO2H a dipole dipole?
• Is H2S a lewis acid or a lewis base?
• What is the ground state electron configuration for Se2-?
• How do you convert 0.8 as a fraction?
• How many milliliters of 0.10 M ##"Pb"("NO"_3)_2## are required to react with 75 mL of 0.20 M ##"NaI"##?
• Who assassinated President Lincoln?
• At 25 degrees Celsius, by what factor is the rate increased by a catalyst that reduces the activation energy by 1.00 kJ/mol?
• How is melting point related to the intermolecular forces of attraction?
• A plants leaves are the primary site oh photosynthesis. A plants leaves would be expected to have a large amount of?
• Why do outer planets have rings but the inner planets don't?
• What is GDP per capita?
• What is a personification about food?
• What mass of ethane is contained 50 ml of 13.9% by mass solution of ethane in hexane? density of solution is .611 g/ml.
• Glycogen b.Name the main enzyme of glycogenolysis and explain its function. c.Write the scheme of glucagon action (=signaling pathway) resulting in activation of thisenzyme?
• What is the average human body temperature?
• What is 60 increased by 20%?
• How do species richness and relative abundance of species affect species diversity?
• A 51.24 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many mL of this solution must be diluted with water to make 1.00 L, of 0.100 M Ba(OH)2?
• How do you convert 16.2 ft to m?
• Why is water considered to be a polar molecule?
• How does the wave mechanical model of the atom differ from the bohr model?
• Why does Sin 30 degrees = sin 150 degrees?
• What is the earth made of?
• Does the pulmonary circuit involve the hepatic portal vein?
• How does the structure of a mitochondrion affect its function?
• How would you calculate the density of methanol (##CH_3OH##)?
• What is the difference between an ether and an ester?
• Hi, Why do some textbooks say that Avogadro's number is 602 sextillion ? I wrote out the full number and wrote the number above each set of zero's and it is 602 hexillion.
• How does hydrogen bonding contribute to water's high specific heat?
• What is a complementary angle?
• Why is there only 3 constitutional isomers of pentane (C5H12)?
• The normal boiling point of water is 100.0 °C and its molar enthalpy of vaporization is 40.67 kJ/mol. What is the change in entropy in the system in J/K when 39.3 grams of steam at 1 atm condenses to a liquid at the normal boiling point?
• How do you find the integral of ##sin^2(3x)dx##?
• What is the electron configuration for an oxygen atom in an excited state? thank you :)
• Why did Louis XIV change the capital of France from Paris to Versailles?
• What is the ecliptic, and why is it tilted with respect to the celestial equator?
• What was Andrija Mohorovicic's major contribution to geology?
• What functional groups are present in acetaminophen?
• How do you convert percentages to masses? Cheers _xD83D__xDE0A_
• How does specific heat of water compare to other substances?
• How do you define the octet rule?
• What is the definition of electronegativity?
• Ashok wanted his house white washed. He bought 10kg quick lime from market and dissolved it in 30 liters of water. On adding lime to water he noticed that bubbles were produced and the solution becomes hot. What was the product formed and why?
• Why is fluorine a gas, bromine a liquid, and iodine a solid, at room temperature?
• What are hypertonic solutions?
• What does it mean to say that the gravity of the Earth is 9.8 m/s2?
• What are the key differences between the ontological, teleological, and cosmological arguments?
• How do you do gas stoichiometry problems at STP?
• Is hydrogen fluoride a polar covalent molecule?
• What is the Gaussian function?
• Why does the phase diagram of water have a negative slope?
• How do you convert inches to feet?
• How do you name alkynes with two triple bonds?
• What is a meniscus? Why is it necessary to know about it when measuring liquids?
• What is a pKa table?
• What are the major characteristics of the surface zone of the ocean?
• What is taxonomy of Oscillatoria?
• How do you find the derivative of ##y= log x^2##?
• What is the sum of 9260 and 3240?
• How do you determine the formula for calcium chloride?
• Does an electronic balance measure mass or weight?
• Rum is often sold by the fifth (0.200 gallon). Convert this volume into units of cubic meters
• How do you simplify 4 square root of 125?
• Which has a bigger volume solid, liquid or gas?
• What is ##y+10## when ##y=43##?
• How do you convert 989.27 MPA to Pa?
• How do cam plants avoid photorespiration?
• Is human body made of cells or atoms or molecules?
• What is hyperbole?
• Which of the following compounds will undergo an Sn2 reaction most readily: ## (CH_3)_3C CH_2I## or ##(CH_3)_2CHI##?
• What are the factors of 50?
• Why is enthalpy a state function?
• What does a paradox mean in literature?
• How do you prove that tangent is an odd function?
• Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction:? CaO(s)+CO2(g)→CaCO3(s)
• Why does hair turn gray?
• What is the cross price elasticities of demand formula?
• What is the difference between an equilateral triangle and an isosceles triangle?
• What are some examples of virions?
• When and where did fighting in the U.S. Civil War begin?
• A mass of mercury occupies 0.95 L. What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is .789 g/mL?
• What is the second derivative of ##secx##? 
• What are the two posterior-pituitary hormones, What are their actions and sites of production?
• What is metabolism, and what is the difference between anabolism and catabolism?
• What is the lewis dot structure of aluminum sulphate?
• What is a poikilotherm?
• What happens after the black dwarf stage?
• What are some examples of protists organisms?
• Why are IUPAC names necessary?
• Why are molecular clocks important in the construction of cladograms?
• Why is inflation a good thing or bad thing in an economy?
• What is 0.09 (repeating) as a fraction?
• Does anyone know the proper usage for the semicolon and the colon?
• Where does glycolysis occur?
• What are all the factors of 72?
• Plateau of Tibet, the world's largest plateau, is located in which country?
• If ##(x-1) / 3 =## k and k = 3, what is the value of ##x##?
• How do you derive the area formula for a parallelogram?
• How do you verify ##(1-tan^2x) / (1+tan^2x) = 1-2sin^2##?
• How do you simplify: the square root of 200?
• How do you convert 1.8 as a fraction?
• How can an amoeba survive in hypotonic environment?
• What are the significant figures rules?
• Sebastian swims laps every day in the community swimming pool. He swam 45 minutes each day, 5 days a week for 12 weeks. In that time, he swam 1,800 laps. What was his average rate in laps per hour?
• Why was bretylium tosylate discontinued?
• What is the function of the epididymis?
• What does accuracy in chemistry mean?
• How does density change as depth increases within the earth?
• What is the function of Smooth and Rough Endoplasmic Reticulum?
• How can I make back titration calculations?
• What are some examples of complementary angles?
• How does intensity affect the photoelectric effect?
• How are hydrogen bonds related to cohesion?
• According to the Pauli exclusion principle, when can two electrons occupy the same orbital?
• How do you find the six trigonometric functions of 390 degrees?
• What is the overall purpose of meiosis?
• What are examples of gases dissolved in liquids?
• A. Compare C4 and C3 plants with regard to how they manage transpiration rate during the day. b. How do CAM plants manage transpiration?
• Who started World War 1?
• Should I take into account the water of a hydrate when calculating the molar mass in order to find the limiting reactant of the equation ? 2 CuSO4(dot)5H20 + 2 Na2CO3 ---> CuCO3Cu(OH)2 + 2 Na2SO4 + CO2 +4 H20
• Is there is another word for parentheses or brackets? For some reason, I think it starts with the letter g.
• What is sin(inverse tangent(12/5)?
• What is the bond line notation for pentane?
• What is the electron configuration for Fe+?
• Is the nucleus of an atom neutral, positively or negatively charged?
• How do you convert 1000 g to kg?
• At 7 feet 2 inches, Margo Dydek is one of the tallest women to professional basketball. Her coach, Carolyn Peck, is 6 feet 4 inches. If Ms. Peck casts a shadow that is 4 feet long, about how long would Ms. Dydek's shadow be?
• What is the meaning of the prefix in the word contradict?
• A midsegment of a triangle measures 40 m. What is the length of the corresponding base of the triangle?
• How do you balance equations with hydrates?
• What does astronomy mean?
• How do intermolecular forces affect capillary action?
• What are monomers and polymers?
• What are conjugate acid-base pairs?
• What was the Dynastic Cycle in China?
• What is light? How fast does light travel?
• What did the Supreme Court decide in 1954?
• The atomic number for the element calcium (Ca) is 20. How many protons and electrons does each atom have?
• Why does earth's distance from the sun change?
• How do I find the additive identity matrix?
• Name these compounds (a) N2O3 (b) Fe(HCO3)2 (c) Cu2SO4 (d) Ca3(PO4)2 ??
• How do you solve ##ln e^x -ln e^3 = ln e^9##?
• How do the Fahrenheit and Celsius temperature scales compare?
• What causes nuclear fission?
• What if the epiglottis somehow is cut then will the person be able to swallow food?
• How much bigger is the diameter of Jupiter compared to the Earth's?
• Is the following sentence compound or complex? "He blushes; therefore he is guilty."
• Which is bigger: 0.6 or 0.58?
• 8.0x10^-8 m to nm ?
• What is thermodynamics?
• What does the Committee on Agriculture in congress do?
• Is there a systematic way to determine an integrating factor ##mu(x,y)## of the form ##x^n y^m##, given a not-necessarily-exact differential equation?
• What is a peptide bond?
• What is the definition of renal circulation?
• Which stereoisomer of 3-hexene forms a meso compound when it reacts with ##Br_2## ?
• What are physical properties of liquids?
• What divided by 7 equals 6?
• How do you graph ##sqrt(ln x) ##?
• How do valence electrons affect reactivity?
• What are the four fundamental forces in order of strength?
• How many valence electrons are in boron?
• What is "slack" in the labor market?
• What is the relationship between atomic number and atomic mass number?
• How can response bias influence the outcomes of a study?
• What are some examples of the biological species concept?
• What is the half life formula?
• How does vapor pressure affect the boiling point of a liquid?
• Where does the process of digestion begin? Are nutrients absorbed from the large intestine?
• What were the circumstances of President Richard Nixon's resignation from office?
• What is the molar mass of aluminum?
• What is the functional group for polysaccharides?
• A tank of nitrogen has a volume of 14.0 L and a pressure of 760.0 mm Hg. Find the volume of the nitrogen when its pressure is changed to 400.0 mm Hg while the temperature is held constant.
• How do you convert 16 weeks to seconds?
• Are mutations good or bad? Explain.
• What are some examples of pendulums?
• Why is percent error important?
• 1. why xylem and phloem are called complex tissues? 2.why is epidermis important for the plants?
• What is the additive inverse of ##22.1##?
• How do you draw ( S )-1-bromo-1-chlorobutane?
• What are the effects of rhetorical questions?
• Draw the cis and Trans isomers of 2-butene.?
• What are the polar coordinates of ##(1, sqrt3)##?
• How do you find the multiplicative inverse of 5/7?
• What is an indentured servant?
• What is the graph of ##y=cos(x-pi/2)##?
• What is the scientific notation for 45?
• How would you distinguish between ortho and para nitrophenol using infrared spectroscopy?
• In which quadrant is the number 6 – 8i located on the complex plane?
• The earth's outer layer is called the crust, What is it made of?
• How do I multiply a 1x2 matrix by a 2x3 matrix?
• How do you know when to use "a" or "the" is a sentence? For example, "Are you riding a bus?" or "Are you riding the bus?"
• What is the purpose of performing a test cross?
• What is the difference between structural isomer, geometric isomers, and enantiomers?
• What is the difference between an adjective phrase and an adverb phrase?
• The slope of a horizontal line is zero, but why is the slope of a vertical line undefined (not zero)?
• Potato osmosis. Explain why molar concentration of CaCl2 that is isotonic with potato is less, greater,or same as that of NaCl? I know that CaCl2 has 3 particles and that NaCl has 2 but how would that effect the concentration of each of these
• How do you verify that the function ##f(x)= (sqrt x)- 1/3 x## satisfies the three hypothesis of Rolles's Theorem on the given interval [0,9] and then find all numbers (c) that satisfy the conclusion of Rolle's Theorem?
• What is the name for the chemicals stored in the synaptic vesicles?
• What is the definition of verbal irony?
• Two half-cells in a galvanic cell consist of one iron (Fe(s)) electrode in a solution of iron (II) sulphate (FeSO4(aq)) and a silver (Ag(s)) electrode in a silver nitrate solution. What will happen to the mass of the cathode and the mass of the anode while...
• How does a single-slit diffraction pattern differ from a double-slit pattern?
• Why shouldn't you use first and second person pronouns in writing?
• What kind of energy is the energy of motion?
• What is the definition of logistic growth?
• Is there an acronym to remember the 6 characteristics of life?
• How do enzymes act as biological catalysts?
• How do geologists use the law of superposition and the law of crosscutting relationships to determine the relative age of disrupted or eroded rock layers?
• What is salinity?
• What is the titration curve of glycine?
• How are the lytic and lysogenic cycles different?
• How do you find fractional notation 37.5%?
• What are all the two letter words that have apostrophes in the middle of them? i.e. I'm I'd?
• The equation for the combustion of glucose is: C6H12O6(s) + 6O2(g) -->6CO2(g) + 6H2O(g). How many grams of H2O will be produced when 8.064g of glucose is burned?
• What is the main difference between oligotrophic and eutrophic lakes?
• How are the three types of RNA different?
• What is a tetrad in biology?
• What is the formula for zinc chloride with a formula weight of 138.28 amu?
• How do you list the prime numbers between 90 and 100?
• How do you use a colon in a sentence?
• In the sentence, "Each element of matter has distinct properties and a distinct atomic structure," what does the word structure mean?
• What is a homogeneous mixture?
• How do I calculate the 5-number summary?
• What was the cathode ray tube experiment conclusion?
• What is the plural form of sheep?
• What was NATO? What was the Warsaw Pact? Name 5 countries that were a part of each entity?
• What are convergent boundaries? What are the three types?
• What is the Zero Exponent Rule?
• How long is one light year?
• What are the four stages of mitosis in the correct order?
• What's the definition of a proper noun?
• What state of matter is fire?
• What are integumentary system diseases?
• How do you predict the products of an acid base reaction? I know a salt and water is formed - which salt or how?
• How would you classify the following elements as main group elements, transition metals, or inner transition metals: 1.Ca 2.Fe 3.Ag 4.U 5.O 6.Pb?
• S.i unit and dimension of angular momentum?
• Could you please explain past participle grammar with examples? Is it used for past tense or present tense?
• What did it happen with Adolf Hitler's body when he died?
• How do you find a fraction between 1/5 and 1/4?
• Calculate molar solubility of MgF2 in 0.10 M NaF at 25 C?
• Ascorbic Acid is composed of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. If its molecular mass is 176.1 g/mole what is its molecular formula?
• How many faces, edges, and vertices are in an octagonal prism?
• How many pi bonds are there in bf3?
• Where are the phalanges found? Where are the tarsal bones?
• What is fertilization?
• What animal classification is a crab?
• What is the sum of the measures of the interior angles of a 13-sided polygon?
• What is the molar mass of ##Al(NO_3)_3##?
• Is sulfur a nonmetal?
• How many inches is in 1 yard?
• What's the difference between polyatomic compounds and polyatomic ionic compounds?
• Is the law of proportions the same as the law of constant composition?
• Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species.?
• How do you verify the identity ##(csc x - cot x)^2 = (1 - cos x)/(1+cosx)##?
• How can I convert from international units (IU) to milligrams or micrograms?
• Why are memory cells important in long term immunity?
• Whats the difference between stratified sampling and quota sampling?
• What does the atomic number represent?
• In relation to the central nervous system, what is the meaning of ipsilateral? What is the meaning of contralateral?
• How do you find the Vertical, Horizontal, and Oblique Asymptote given ##H(x)= (x^3-8) / (x^2-5x+6)##?
• Dallas' Renaissance Tower is 886 feet, Bank of America Plaza is 921 feet, and Comerica Bank Tower is 787 feet. What are the buildings from shortest to tallest?
• I have .400 mol of potassium sulfate (K2SO4), how can I calculate how many grams of potassium (K) I have? Does anyone know of a youtube video that will help me understand how to find the mass of just one element within a compound? Thank you!
• What is the supplementary angle to ##theta= 35.6## degrees?
• Why is water a good solvent?
• What is the product of acetamide and sodium hydroxide?
• 1/2 gallon is how many quarts?
• Why should distilled water be boiled and cooled when determining its pH?
• What has a closed circulatory system?
• If two angles are supplementary, then are they a linear pair of angles?
• A sphere with a radius of 1.7 cm has a volume? a) ##2.1*10^-5## b) ## 9.1*10^-6##
• What is long division of polynomials?
• How do you find the exact relative maximum and minimum of the polynomial function of ##f(x)= 2x^3-3x^2-12x-1##?
• How do you simplify ##(1+tan^2x)/(1+cot^2x)##?
• If there is no wind in space or on the moon, why is the American flag shown blowing in the wind on the moon?
• What is a homogeneous mixture?
• How many lines of symmetry does a parallelogram have?
• What are the symbol & valence of carbon?
• Use a graphing calculator or computer to verify the given linear approximation at a = 0? Then determine the values of x for which the linear approximation is accurate to within 0.1. (Round the answers to three decimal places.) e^x ~= 1 + x
• How do you increase the mechanical advantage of a pulley?
• What element has a noble gas notation (Xe) 6s2?
• What is 1/3 to the 5th power?
• How does metaphase i differ from metaphase ii?
• What is ##(9\times 10^ { - 6} ) - ( 5\times 10^ { - 6} )##?
• What type of galaxy is earth in?
• What is the definition of a food chain, a food web, and a food pyramid?
• In humans, how many sets of chromosomes are autosomes?
• Is SO2 a liquid, a solid, or a gas at room temperature?
• What is the reciprocal function?
• How many earths can fit into the other planets in the solar system?
• What is a synapse and what does it do?
• How do you find fractional notation for the ratio 1.6 to 9.8?
• What is [OH-] in a solution having a pH 9f 13.56?
• Guys, i'm really confused. Who discovered the proton? Goldstein or Rutherford?
• How do the nucleus and ribosomes work together?
• How many milliliters of water has been dispensed if the initial buret reading was 0.47 mL and the final is 26.18 mL?
• How does magma reach the earth's surface?
• A sample of argon gas has a volume of 6 liters at a temperature of 7 °C. What volume does the gas occupy at 147 °C?
• What is the difference between genetic drift, founder effect, and bottleneck effect?
• What are myofibrils and myofilaments?
• What is the discriminant of ##4x^2-4x+1=0## and what does that mean?
• How can you derive an equation for the area under a velocity-time graph?
• What is the net ionic equation that occurs when zinc nitrate and lithium phosphate are mixed together in water?
• Where in a multicellular animal does meiosis occur?
• 20% of 20 is equal to 50% of what number?
• How do different types of lipids differ from one another?
• In uniform circular motion, do the velocity and acceleration remain constant, does the kinetic energy remain constant, do the speed and acceleration change, or does only the velocity change while the acceleration remains constant?
• How do you calculate coefficient of friction?
• Is the use of "men" or "man" as a term or representative for "mankind" synecdoche?
• Can anyone explain this? How and why does the chain length of surfactants affect CMC? How and why does the addition of a salt (eg., NaCl) affect the CMC?
• How can you determine the end behavior of a function?
• What is the opposite of exponential growth?
• Each interior angle of a regular polygon is equal to 172 degrees. Determine the number of sides of the polygon. Explain?
• The quotient of a number and -7, decreased by 2, is 10. How do you find the number?
• What is the set of chemical equations that describe the buffering action of phosphate buffered saline (PBS)? Calculate theoretically the pH of phosphate buffered saline.
• What happened to Ngo Dinh Diem and his brother Nhu?
• What is the trig unit circle? How does the trig circle define the trig functions?
• What is the vertical and horizontal line tests for 1-1 function?
• Is 0 a rational, irrational, natural, whole, integer or real number?
• Why does opportunity cost include implicit costs?
• Are single displacement reactions exothermic?
• What do AAS, SSA, SAS, and SSS stand for in geometry?
• What order of magnitude is represented by the prefix giga?
• In a quadrilateral ABCD ,which is not a trapezium.It is known that <DAB=<ABC=60 DEGREE.moreover , <CAB=<CBD.Then A) AB=BC+CD B) AB=AD+CD C) AB=BC+AD D) AB=AC+AD ? Choose correct option.
• How do you find the exact 6 trigonometric ratios for the angle x whose radian measure is ##(5pi)/6##?
• The volume of a rectangular prism is ##(x^4 + 4x^3 + 3x^2 + 8x + 4)## and the area of its base is ##(x^3 + 3x^2 + 8)##. If the volume of a rectangular prism is the product of its base area and height, what is the height of the prism?
• What formula would be used to calculate the aphelion distance of Halley's Comet from the sun? Halley’s comet has a perihelion distance of 0.6 AU & an orbital period of 76 years,
• How might you prepare(in one step) copper(II) nitrate from copper(II) chloride?
• What does conservation of energy mean?
• What is trigonometric substitution and why does it work?
• What is the centroid of a triangle with corners at ##(5 , 1 )##, ##(0 , 5 )##, and ##(3 , 2 )##?
• What is an example of a pun in literature?
• What is the formula for carbon monoxide?
• When chlorobenzene is steam distilled at 100kPa,the boiling point of the mixture is 91°C. At this temperature,the vapor pressure of chlorobenzene is 29kPa.What is the mass of the distillate that contains 100g of chlorobenzene?
• Y is directly proportional to x and inversely proportional to the square of z and y = 40 when x = 80 and z = 4, how do you find y when x = 7 and z = 16?
• A chunk of silver has a heat capacity of 42.8 J/°C and a mass of 181 g. How do you calculate the specific heat of silver?
• Why is Mars red?
• A tightrope walker, who has a mass of 60.0 kg moves to the center of the wire, which causes the wire to sag and make a 6.0° angle with the horizontal, what is the tension in the wire?
• How do you convert 86 degrees Fahrenheit to degrees Celsius?
• What is the difference between passive diffusion, facilitated diffusion, and osmosis?
• How to calculate S3,S4, and S5 and then find the sum for the telescoping series ?
• Why does ice float instead of sink?
• Who benefited from the Treaty of Nanjing and how?
• How do the endoplasmic reticulum and the nucleus work together?
• Is pyrene an aromatic hydrocarbon?
• How do you evaluate ## log0.01 ##?
• How do you calculate the degree of unsaturation?
• How does the spring constant affect elastic potential energy?
• What is an autotroph?
• Is ##f(x)=3x^2-x+4## increasing or decreasing at ##x=2##?
• How many teaspoons are equivalent to one tablespoon?
• What is the surface area of this cylinder that has a radius of 6 inches and a height of 8 inches?
• What is a nebula cloud?
• What is RuBP?
• How is Mendel's law of segregation and meiosis similar?
• Why is static equilibrium important?
• How do you convert 2ft, 6 in to mm?
• How do you find the derivative of ##sin2x cos2x##?
• How do you use the Squeeze Theorem to find ##lim (1-cos(x))/x## as x approaches zero?
• What is the definition of mechanical digestion?
• What present-day states were formed out of land that was part of the original 13 states?
• How does a catapult work?
• What is the derivative of ##-csc(x)##?
• When 2 moles of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at constant temperature and pressure, 44.7 kJ are given off. What is the thermochemical equation?
• How do you multiply ##6.02x10^23 * 7.5x10^24##?
• What is a vertebrate?
• What is hypothesis testing in Statistics?
• Not counting leap years, how many days are in 19 solar years?
• Why was the House of Burgesses important?
• What does Boyle's Law state?
• What is arctan(-1), write your answer in radians in terms of pi?
• How do you draw the slope field of the differential equation ##dy/dx=1/3(y-1)^(1/3)## ?
• What are the monomers and polymers of nucleic acids?
• What is the chemical formula for magnesium bromide?
• Is force a scalar quantity?
• How do I do natural logs on a TI-84?
• Why did Neville Chamberlain sign the Munich Pact?
• Describe how Avogadro's number is related to a mole of any substance?
• How does Stalin justity the USSR's signing of the nonaggression pact with Hitler?
• What is ##cos 240° - cos 0°##?
• What are two songs with examples of metonymy or paradox in the lyrics?
• What is a solubility graph?
• How would you find all the isomers of the formula C4H8O2 (ester)?
• What do a rhombus, a parallelogram, a square, and a rectangle have in common?
• Who were the Anti-Federalists?
• How did Joseph Stalin create a totalitarian state in the Soviet Union?
• What is condensation?
• What is the formula for iron(II) oxide?
• What is the unit symbol for the prefix milli?
• How do you express in terms of ln2 and ln3 given ##ln 3 sqrt 2##?
• What is the Spanish word for "exclamation point"?
• How many elements are nonmetals on periodic table?
• Why is 0! (zero factorial) defined to be 1?
• How do I us the Limit definition of derivative on ##f(x)=tan(x)##?
• You are boiling potatoes on a gas stove, and your friend suggests turning up the heat to cook them faster. Will this idea work?
• What is homeostasis? why is homeostasis important for the cell?
• What is an outlier?
• What type of tissue are bones made of?
• How do you simpilify ##sqrt(125x^2)##?
• The distance between the sun and Neptune is approximately 2,800,000,000 miles, how do you write it in scientific notation?
• How many moles are there in 4.25x10(23) atoms of Au? Is it 4.25x10(23) x I mol Au/6.022x10(23) = 0.71 mols Did I do that correctly?
• How do you find the Vertical, Horizontal, and Oblique Asymptote given ##f (x ) = (3x^2 - 2x - 1) / (x + 4 )?##?
• What is range of the data: 5, 3, 9, 10, 2, 12?
• What areas did the Axis powers control at the height of their power?
• A gas thermometer is envisaged where by the change in V is used as a measure of temp change. At 1 atm what would the change in V as 42g of nitrogen gas goes from 15 to 20C? what difficulties can you envisage in using this system to measure room temp?
• According to the domino theory, what did American leaders think might happen if Vietnam became a Communist country?
• How do you write 24% as a fraction and as a decimal?
• What is the definition of freshwater biome?
• If 10 miles is about 16 kilometers and the distance between two towns is 45 miles, use a ratio table to find the distance between the towns in kilometers?
• What is the square root of 33?
• How do you simplify the square root of -8/9?
• How do ribbon worms reproduce?
• How do you find the stationary points of the function ##y=sin(x)##?
• When 1 mol of NaBH4 is used to reduce ketone, how many moles of hydride is used?
• What is the distance from land to outer space?
• What is the Mohs hardness scale and how is it useful for identifying minerals?
• A certain substance has a heat of vaporization of 46.34 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 323 K? Use the Clausius-Clapeyron equation.
• Which of King Lear's daughters truly loved him?
• How do you find the domain and range of ##f(x) = 1/(2-e^x)##?
• Which is a better unit for expressing molar mass, amu or grams/mole?
• The ordered pairs (1,36), (2, 49), (3,64). (4, 81). and (5, 100) represent a function. What is a rule that represents this function?
• Why does an oil-and-vinegar salad dressing have two separate layers?
• The reaction between ammonia, oxygen and methane yield Hydrogen cyanide and the other product water. If the reaction vessel contains 11.5g,12.0g,10.5g of ammonia,oxygen and methane respectively,what is the maximum mass in gram of the cyanide that could ?
• Is the use of the semicolon and the word conversely correct in this sentence: "I find the proposed schedule to be very disagreeable, and; conversely, I am in agreement with Bob's comments in his e-mail."?
• How do you find the slope and y intercept of ##y=100##?
• How does diffusion affect dynamic equilibrium?
• ##2 1/2## gallons is equal to how many quarts?
• Which country put the first dog in space?
• What are all the greatest common factors of 36 and 90?
• What is an example of allusion?
• Name the class of biopolymers that contains a peptide bond?
• How do you find the exact values of cos 2pi/5?
• How can I distinguish functional group region and fingerprint region in a infrared spectrum?
• Define formula unit?
• Is osmosis a form of active transport or passive transport?
• How does atmospheric pressure change in the troposphere?
• How many ways are there to choose a card from a deck of cards (52 cards in a deck) and roll a regular 6-sided number cube?
• The [CoF6]3- ion is paramagnetic, while the [Co(CN)6]3- ion is diamagnetic. Explain this observation, including reference to ligand field strengths.?
• How are osmosis and diffusion alike?
• What part of the brain is largest in humans?
• A solution contains 3.95g of CS2 and 2.43g CH3COCH3.vapor pressures at 35°C of pure CS2 and pure CH3COCH3 are 616 torr and 332 torr respectively.Assume ideal ,calculate vapor pressure of each component n the total vapor pressure?
• The pH of lemon juice at 298 K is found to be 2.32. What is the concentration of ##H_3O^+## ions in the solution?
• How do you prove ##(sinx+cosx)^4 = (1+2sinxcosx)^2##?
• Which of the three types of seismic waves causes the most damage during an earthquake? Why?
• What intermolecular forces are present in alcohol?
• What do alveoli and villi have in common?
• What is glucose and why is it important to all life on earth?
• How do you solve ##sec^2x-2=0##?
• How did August Kekule's discovery about carbon change the science of chemistry?
• Is square a rectangle? or rectangle is a square?
• Which gland in the human body is considered the "master gland"?
• Calcium carbide reacts with water to produce acetylene gas. ##CaC_(2(s))+2H_2O_((l)) -> C_2H_(2(g)) + Ca(OH)_(2(g)## What volume of acetylene at 25°C and 1.01 atm is generated by the complete reaction of 2.49g of calcium carbide? What is the volume at STP...
• What is a parabola?
• What is the period and frequency for ##sin(2pi t / 5)##?
• What is the muscle that subdivides the ventral body cavity?
• What is the equation for Dalton's law of partial pressure?
• How do you convert 96 feet to inches?
• A cone has a surface area of ##600π cm^2## and a base area of ##225π cm^2##. Calculate: the apothem and volume of the cone?
• If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
• Where are proteins made in a cell?
• A diver breathing heliox with an oxygen composition of 5.0% wants to adjust the total pressure so that ##P_(O_2)= "0.21 atm"##. What must the total pressure be?
• Which of the following are examples of chemical changes: melting ice by spreading salt on an icy sidewalk, striking a match, baking a cake, rubbing your hands together to get them warm, using a tea bag to make tea, and cooking a hot dog?
• What is a combustion reaction?
• How does wavelength change as frequency increases?
• What is the object of preposition in the following sentences?
• What is the charge on he helium atom? Explain your reasoning. (A helium atom has two electrons, two protons, and two neutrons.)
• What is a sentence with the word "vie" in it?
• What is an example of a balancing chemical equations practice problem?
• What is the magnetic quantum number of the 19th electron of Calcium?
• How do you calculate percent composition using gas chromatography?
• What is impulse?
• How do intermolecular forces affect freezing point?
• What is an acceleration vs time graph?
• How do you write the notation for end behavior?
• What are some examples of personification about the apple tree and apples?
• On adding 'x' g of the solute to 100 g aqueous solution, the concentration in terms of mass by mass percentage changes from 50% to 60%. What is the value of 'x'?
• How many double covalent bonds are in an alkane?
• How can I determine the empirical formula from percent composition?
• What is facilitated diffusion?
• How do you simplify ##i44 + i150 - i74 - i109 + i61##?
• Could you explain me the Rutherford alpha particle scattering experiment?
• How many moons does Pluto have?
• How does the definition of strong nuclear force differ between astronomy and physics?
• What are three "-ing" words and two adjectives that describe peace?
• What is 2.5% as a fraction?
• A mass of 5kg of ammonia at its boiling point is vaporized when 6.5 MJ of heat is supplied to it. Calculate the specific latent heat of vaporization of ammonia?
• What is an alkoxide?
• If the mass of the sun reduced by was one-half, approximately how much longer would the sun live than it would with its current mass?
• What is the atomic number for the silver?
• How do you convert 1 1/4 gallons to liters?
• What is the formula of the compound formed when Mg reacts with P?
• Why does the word "bureaucracy" have a negative connotation?
• Why does phosphorus come after silicon on the periodic table?
• How do you convert 95 mph to meters per second?
• How did Redi’s experiment help disprove the idea of spontaneous generation?
• What is a spring tide and what causes this phenomenon?
• Why is He2 not formed according to Valence Bond Theory? Also please explain Valence Bond Theory.
• What is ##16+(4+7)-2##?
• How do you use the rational root theorem to find the roots of ##P(x) = 0.25x^2 - 12x + 23##?
• Who was president during the Whiskey Ring scandal?
• I need a proper noun for Asia. Is "Continent" correct?
• How would you arrange the following elements in order of increasing ionization energy: Te, Pb, Cl, S, Sn?
• What is the difference between filtration and diffusion?
• What is the area of an equilateral triangle with side length 14?
• How do you use the binomial series to expand the function ##f(x)=(1-x)^(2/3)## ?
• If an asteroid has a perihelion distance of 2.0 A.U. and an aphelion distance of 6.0 A.U., what is its orbital semi-major axis, eccentricity, and period? Thanks!?
• What force caused the movement of the continents from one supercontinent to their present positions?
• How many distinguishable ways can the letter of the word SASSAFRAS be arranged using all the letters?
• What is the simplest radical form of the square root of 216?
• What is 234 divided by 7?
• How long would it take to go in AU from Jupiter to Neptune
• What region became known as the satellite nations of the Soviet Union?
• What is the relationship between reactants and products of photosynthesis and cellular respiration?
• How do viruses violate the cell theory?
• Trimethylamine, (CH3)3N, is a weak base (Kb = 6.4 × 10–5) that hydrolyzes by the following equilibrium: (CH3)3N + H2O → (CH3)3NH+ + OH– What is the pH of a 0.1 M solution of (CH3)3NH+? (Enter pH to 2 decimal places; hundredth's.
• What is the difference between hydrostatic pressure and atmospheric pressure?
• What is the mathematical formula for how marginal revenue changes with quantity sold?
• How do you convert kelvin to celsius and vice versa?
• What is Helium?
• How do you find the area of the region bounded by the polar curve ##r^2=4cos(2theta)## ?
• How are interstitial fluid and lymph similar?
• How do you write 3/4 as a decimal?
• How are the Battle of Saratoga (1777), Battle of Gettysburg (1863) and the Battle of Midway (1942) similar?
• What is a double replacement precipitation reaction?
• What is the focus of a parabola?
• What are three examples of each of the following: decomposers, producers, consumers, carnivores, omnivores, and herbivores?
• What is the Law of Conservation of Charge?
• A solution contains the ions Ag+, Pb2+, and Ni2+. Dilute solutions of NaCl, Na2SO4, and Na2S are available to separate the positive ions from each other. In order to effect separation, the solutions should be added in which order?
• What are some examples of mass number?
• How can I convert minutes into hours?
• What is -2/3 to the 5th power?
• Please can someone answer the following: What does a fixed volume mean? Do solids have the smallest volume?
• What is the difference between pathetic fallacy, personification and anthropomorphism?
• Is CO2 an empirical formula, a molecular formula, or both?
• How many sets of ribs does a human have?
• What is the integral of ##x^3 cos(x^2) dx##?
• The temperature of a piece of copper with a mass of 95.4 g increases from 25°C to 48°C when the metal absorbs 849 J of heat. What is the specific heat of copper?
• How do you find the inverse of ##f(x) = 3x – 6 ## and is it a function?
• How do you increase the mechanical advantage of a third-class lever?
• Why does water have polar covalent bonds?
• How do I find the sine of the angle between two vectors?
• Why are halogens reactive?
• What are the six kingdoms of life?
• 1/4 lb is how many ounces?
• What is frost wedging?
• Calculate the heat energy released when 20.1 g of liquid mercury at 25.00 °C is converted to (s) mercury at its melting point? Constants for mercury at 1 atm: heat capacity of Hg(l)=28.0 J(mol*K), melting point=234.32 K, enthalpy of fusion=2.29 KJ/mol
• What is a galaxy that was once a quasar is likely have?
• If ##x^2+y^2=25## and ##dy/dt=6##, how do you find ##dx/dt## when ##y=4## ?
• What is 0.3 repeating as a fraction in simplest form?
• Could you help me find a metric conversion chart that would help me in chemistry?
• Lysosomes are known as suicidal bags of the cell?why?
• What is absorption spectrum and emission spectrum? Give examples if you can!
• What biomes do wolves live in?
• What is excretion? Why is it important to living things?
• 100 yards is equal to how may feet?
• How can physical properties be used to identify substances?
• What is pH when ##[H^+] = 8.43 * 10^-4## ##M##?
• Which is correct grammar? "He has already come." or "He has already came"?
• How does crossing over increase genetic diversity?
• How do you find slope and intercepts to graph ##y=3x-8##?
• What is the biggest and smallest planet?
• Is age continuous or discrete data?
• How does one enclose the final punctuation? Do you put a period inside or outside the parentheses?
• What is the force, in terms of Coulomb's constant, between two electrical charges of ##8 C## and ##-2 C## that are ##9 m ## apart?
• Can anyone help me with 10 original examples of compound sentences?
• Write the complex number ## 8(cos 30 +i sin 30)## in standard form?
• Why do amines generally have lower boiling points than alcohols of comparable molar mass?
• How would you write the molecular formula for dinitrogen trioxide and nitrogen monoxide?
• How do you find the center and radius of the circle ##x^2 + y^2 - 6x + 8y = 0##?
• Why do prokaryotic cells have ribosomes?
• When dilute aqueous solution of iron (III) nitrate and sodium hydroxide are mixed, a precipitate is observed. write a molecular, complete ionic, and net ionic equation for the reaction?
• What percent of calcium carbonate is oxygen?
• What is the longest and shortest bone in the human body? What are their measurements in inches?
• A rectangle is ##6## units wide and ##x-8## units long. It has the same area as a triangle with a height of ##7## units and a base of ##x-3## units. What is the area of the rectangle?
• What did the McCarran act do?
• Can you define population, community, ecosystem, and biosphere? How are they each related to each other?
• What is the difference between mass and weight of an object?
• Why dont we put ammeter in parallel but voltmeter in parallel in a circuit?
• In what ways did Matthew Perry's opening of Japan lead to the Meiji Restoration?
• What is an infinitive verb? In a simple sentence like "Teachers taught..." How would I expand it by beginning with an infinitive verb?
• What is an aphorism, and why is it important?
• A square with an edge of exactly 1cm has an area of? a) ##10^-4 m^2## b) ##10^-7 m^2##
• How does the rotation of the Earth cause day and night?
• Mg metal reacts with HCI to produce hydrogen gas. Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g) What volume,in liters, of H2 at STP is released when 8.25g of Mg reacts?
• What is an epilogue in a book? Why is it used?
• What is the relationship between photosynthesis and cellular respiration?
• How many carbon atoms are in 10g of CH4 and 20g of C3H8?
• How do you solve ##4\times 8*2^{2}##?
• What is the difference between extrusive and intrusive volcanic landforms?
• How do I find the class midpoint of scores in the interval 40-59?
• What is the collective noun for a group of actors?
• Why are perfectly elastic collisions unlikely to occur?
• The perimeter of a basketball court is 280 ft. The length is 42 ft longer than the width. What are the dimensions of the court?
• How can nucleophilic addition of a primary amine give an imine ?
• In the cell membrane/plasma membrane/phospholipid bilayer, what do the peripheral and integral protein do?
• What is the electron configuration of Li+?
• How do you factor ##8x^3-8##?
• How does nitrogen cycle through the land and ocean ecosystems?
• What is the structure of the acetal formed by reaction of ethanol with acetophenone?
• I.e. versus e.g., my teachers use both when she/he is giving us examples, what is the difference? or is there no difference at all?
• What is a complete subject, simple subject, and a verb?
• What is the mass of ##NaCl## required to prepare 0.5 liters of a 2.5 molar solution of ##NaCl##?
• I am a member of the boron family and am the most abundant metal in the Earth's crust. What am I?
• How do you find the quotient of ##600/(-20)##?
• How does a hydrostatic skeleton provide support?
• How can I determine molecular geometry from the Lewis structure?
• What is the quotient and remainder for ##52-:8##?
• How do you find ##sin(pi/12)## and ##cos(pi/12)##?
• You flip a coin and roll a die. Are these two events independent or dependent?
• What is the bond polarity of CH3CL?
• What are some examples of imagery in Macbeth?
• How can I find valence electrons of transition metals?
• What are some examples of parallel evolution?
• Given ##f= cd^3##, ##f=450##, and ##d=10##, what is ##c##?
• How are producers, consumers, and decomposers linked in a food chain?
• What is the noble gas configuration for oxygen?
• What side products are formed in the aldol condensation of dibenzalacetone?
• What are the three parts of a nucleotide?
• Sam ran 63,756 feet in 70 minutes. What is Sam's rate in miles per hour?
• Why did the Spanish feel threatened by the French in East Texas?
• How many obtuse angles does a hexagon have?
• What best summarizes the process of protein synthesis?
• What causes tides to occur?
• Why are all enzymes are proteins, but not all proteins are enzymes?
• How did salutary neglect lead to the seeds of independence for the colonies?
• Viruses that kill host cells are lysogenic or lytic? I get confused
• What are 5 properties of minerals?
• How do you write a verbal expression for ##w-1##?
• Is sulfur a metal, metalloid, or nonmetal? What is its family name?
• What type of reaction is this? How do you balance it? ##Hg(OH)_2 + H_3PO_4 -> Hg(PO_4)_2 + H_2O##
• Why is old oceanic crust more dense than new oceanic crust?
• What is the polymer and monomer for lipids?
• What is activation energy in a chemical reaction and what happens when we provide activation energy to a chemical?I know it's going to react.But I need to know the full procedure.And why activation energy is different from bond energy?
• How does a hydrolysis reaction separate a polymer into its monomers?
• How many atoms are there in 1 mole of H2O, and how would you calculate this?
• 5. Lithium nitride has the chemical formula ##Li_3N##. Rubidium is in the same chemical family as lithium. What is the formula of rubidium nitride?
• What are the fat soluble vitamins? What makes them soluble?
• What does supplementary mean?
• Which is the strongest acid among these: ##HBr##, ##HF##, ##HI##, and ##HCl##?
• What are some examples of rotifers?
• How many constitutional isomers are possible for the formula C4H9Cl?
• How do you find the six trigonometric functions of 300 degrees?
• What is the limit of the greatest integer function?
• From the top of a lighthouse 55 ft above sea level, the angle of depression to a small boat is 11.3 degrees. How far from the foot of the lighthouse is the boat?
• What is the circumference of a circle with a radius of 9 cm?
• Spencer bought 3 books of stamps and mailed a package. It cost $4.50 to mail the package. How do you define a variable and write an expression to represent the total amount he spent at the post office?
• How is radiation different from conduction and convection?
• How do you calculate the antiderivative of ##sin(2x)/cos(x) dx##?
• What is the duet rule?
• Why is mitosis important in the repair and growth of tissue?
• Water sprinkler used for grass lawns begins to rotate as soon as the water is supplied.Explain the principle on which it works.?
• Carla runs ##4## miles every day. She jogs from home to the school track which is ##3/4## mile away. She then runs laps around the ##1/4-## mile track. Carla then jogs home. How many laps does she run at the school?
• The perimeter of a rectangle is 48 in. If the length is twice the width, what is the length of the rectangle?
• What is the difference between osmosis and diffusion?
• How does the kinetic theory of matter define heat?
• To see the inner part of ear and other parts, E.N.T doctors use a concave mirror. What speciality of the mirror is used here?
• Are there similar blanks on the modern periodic table between magnesium and aluminum?
• What are delocalized electrons?
• What is the difference between monocytes, neutrophils, eosinophils, lymphocytes, and basophils?
• How many centimeters are there in 2 kilometers?
• How did J.J. Thomson change Dalton's atomic theory?
• What ate the intrinsic and non intrinsic semi conductors?
• What is sublimation in the water cycle and what are examples?
• What is the difference between a point estimate and an interval estimate?
• Why does KCN give -CN nucleophile while AgCN gives isocyanide?
• What is 4 square root of 80?
• What is a very bright star that is made of an enormous cloud of gas?
• What is the difference between an isotope and an element?
• Why is a diffraction grating better than a prism?
• What are K-selected species?
• What is unemployment?
• When will the world end?
• How can I balance this chemical equations? Aluminum and hydrochloric acid react to form aluminum chloride and hydrogen gas.
• The formula for the area of a trapezoid is A=1/2h(b1+b2). How do you express b1 in terms of A,h and b2?
• What are the 5 major arteries in the body?
• Your local weather report announces that the barometric pressure is 30.44 inHg. Convert this pressure to psi.? Convert a pressure of 23.8 in Hg to kPa
• How do you calculate limiting reagent and theoretical yield?
• How many semicolons can you use in a sentence?
• A 1.50 L buffer solution is 0.250 M HF and 0.250 M NaF. What is the pH of the solution after the addition of 0.0500 moles of solid NaOH? Assume no volume change. Ka for HF is 3.5x10^-4
• What is the scientific name of our solar system?
• What is -0.122 as a fraction in simplest form?
• When the angle of elevation of the sun in 64°, a telegraph pale that in tilted at an angle of 12° directly away from the sun casts a shadow 34 feet long on level ground. What is the length of the pole?
• What was the purpose of the Americanization Movement?
• Use the formula ##2n^2## How many electrons could energy level five have?
• What are the two functions of the gallbladder?
• What are some properties of nascent oxygen?
• A lightyear is the distance light can travel in one year. If the sun is 150,000,000 km away, how many light years is the sun from the earth? Assume that light travels at a speed of ##3.00 * 10^10 cm/s##. Thanks for any help!?
• What is the ground state electron configuration of oxygen?
• What is the participial phrase in this sentence " The people living in New York deal with snow all winter"?
• What is tangential velocity?
• Is peritonitis fluid around the heart? What causes this?
• How would you write the formula of the conjugate base of the Bronstead-Lowry acids H2SO3 and HI?
• How do you round 16.527 to the nearest tenths place?
• How many presidents have died in office?
• How does dilution affect the reaction rate?
• Vanillin, a flavoring agent, is made up of carbon, hydrogen, and oxygen atoms. When a sample of vanillin weighting 2.500 g burns in pure oxygen, 5.79 g of ##CO_2## and 1.18 g of water are obtained. How would you calculate the empirical formula of vanillin?
• A student bought 1 box of crayons and 5 reams of paper for $54. She bought 5 boxes of crayons and 3 reams of paper for $50. What is the cost of each box of crayons and each ream of paper?
• What is displacement?
• Why is PbSO4 Insoluble in water?
• What is the color of phenolphthalein indicator in an acidic solution? In a basic solution?
• Which one of the following is most reactive? 1.Cl2 2.Br2 3.I2 4.ICl
• What is a value of ##x## that makes the relation ##{(2, 4), (3, 6), (8, x)}## a function?
• What is the ground state electron configuration of calcium ,titanium, rhodium lead, and erbium?
• What is the difference between residual volume and anatomical dead space volume?
• How did the split of the Democratic Party affect the outcome of the 1860 election and the Southern states' decision to secede?
• What is an example of a hyperbole poem by Robert Frost?
• What does percent composition mean?
• How do you find the square root of 576?
• What is the mass number of an ion with 107 electrons 159 neutrons and a +1 charge?
• How can I determine the van't Hoff factor of a substance from its formula?
• The altitude of a triangle is increasing at a rate of 1.5 cm/min while the area of the triangle is increasing at a rate of 5 square cm/min. At what rate is the base of the triangle changing when the altitude is 9 cm and the area is 81 square cm?
• What mixtures can be separated by physical means?
• What are the physical and chemical properties of common table salt?
• How do you prove ## (secx-tanx)(secx+tanx) =secx ##?
• What is the order from largest to smallest: galaxy, universe, star, asteroids, planets, moons, solar system?
• How does Newton's second law relate to the force of gravity?
• How do you write ##2 1/6## as a percent?
• What is a stanza of a poem?
• How can ionic compounds dissolve in water?
• What are 3 consecutive numbers whose sum is 54?
• What is the molar mass of iron?
• How do you FOIL where three factors are used ##(x-1)(x+2)(x-3)##?
• What is the definition of allusion?
• How does soap work?
• How do you solve ##log ( x +1 ) + log 7 = log 14 - log ( 2-x ) ##?
• Is there any difference between bond energy and bond dissociation energy?
• How do you write ##21^(9/4)## in radical notation?
• Approximately how long ago did the first dinosaurs appear on Earth?
• How can chemistry help us in the future?
• What unit of force is used in the universal gravitational constant?
• How do reproductive barriers relate to the biological species concept?
• How do carbon and oxygen cycle through an ecosystem?
• How many milliliters does a two-liter bottle of cola hold?
• Why is atmospheric pressure measured at sea level?
• Compare the structures and functions of the biomolecules lipids and starches?
• Is Triethylamine (CH3CH2)3N polar or nonpolar ?
• Define role of histogram?
• What are some examples of ionic compounds?
• What is a sentence fragment?
• Can you write the nuclear decay equation for the beta decay of iodine-131?
• How does inflation and the CPI relate to the Rule of 72?
• How did Ivan III break the power of the Golden Horde?
• What is the graph of ##csc x##?
• Define oxidation number?
• Aaron reads 150 pages in 2 hours. How many pages per min does he read?
• What is the least common multiple (LCM) of 2 and 6?
• What happens to glucose during lactic acid fermentation?
• What is found in the cytoplasm of a cell?
• What is the difference between the standard deviation and relative standard deviation?
• What is the vsepr model for CHCl3?
• How do I find the area of a hexagon with sides of 350 feet, and an apothem of 303 feet?
• What was the Olive Branch Petition?
• What are some examples of solutions?
• Is sarcoplasm a type of cytoplasm?
• Show practically the oxidation state of O2 in Na2O2?
• What is the interquartile range of the data set: 9, 30, 2, 48, 42, 18, 81, 5, 55, 73, 11?
• Magnesium metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains 0.500 mol of HCl are combined and react to completion. How many liters of hydrogen gas, measured at STP, can be produced? ##"Mg"(s) + 2"HCl"(aq) -> "MgCl"_2(aq) + "H"_2(g...
• What is the area of a parallelogram with base ##15## yards and height ##21 2/3## yards?
• What is a partition of sums of squares?
• What is a climax community?
• How did J.J. Thomson change the model of the atom?
• The volume of a cube is increasing at the rate of 20 cubic centimeters per second. How fast, in square centimeters per second, is the surface area of the cube increasing at the instant when each edge of the cube is 10 centimeters long?
• How much would be the volume of ice formed by freezing one liter of water?
• How do you write 4/5 as a percent?
• If you shift the quadratic parent function, ##f(x)=x^2## down 9 units, what is the equation of the new function?
• How can I represent in distance-time graph an object that is not moving?
• How can molecules with polar bonds be nonpolar?
• Who made up Washington's cabinet?
• Why does aluminium react with iron oxide? Could you please explain all of the basics of it . I thought iron was stable
• What is a magnet?
• How do you use the Product Rule to find the derivative of ##(x^2)(x^3+4)##?
• What does##IQ## stand for?
• What is diffusion as it pertains to the alveoli in the lungs during respiration?
• What is the equation connecting gravitational force and specific gravity?
• What is the valence electron configuration for carbon?
• What are adjectives that start with "D" to describe a person? Positive attributes would be helpful. Thanks.
• What is 16 2/3% as a fraction?
• Define displacement of a particle in linear motion. Does it depend upon the origin?
• Why are Van der Waals interactions important to the tertiary structure of proteins?
• How does a polar covalent bond differ from an nonpolar?
• What is the difference between a reciprocal of a number and a opposite of the number?
• The sum of the interior angles of a polygon is 4860 degrees. How many sides does the polygon have?
• The density of gold is ##19.3 g####/####cm^3##. What is the volume, in ##cm^3##, of a sample of gold with mass ##0.715## ##kg##? If this sample of gold is a cube, how long is each edge in ##cm##?
• Where was the Confederate capital located?
• HCN toxixity is:? 1- change osmotic pressure inside the cell 2- disturbance of acid-base equilbrium in body 3- covalent bonding to heme ion
• What are example of archae?
• In what way is a taste aversion different from other examples of classical conditioning?
• How does the respiratory system work with the muscular system? Would it be possible for respiration to occur without muscle function?
• What must happen for a protostar to become a star?
• How do you find the area of circle using integrals in calculus?
• How do you convert gallons to milliliters?
• What is the definition of complete subject and complete predicate?
• What hydrogen bonds join cytosine to guanine?
• How do you verify the identity ##(2tanx)/(1+tan^2x) =sin2x##?
• Why water is considered as pure substance whereas air is considered as impure substance?
• How many light minutes is the Earth away from the Sun?
• What does S configuration mean?
• How many yard in marine mile?
• Can an absolute value equation ever have and infinite amount of solutions?
• What are neurons that carry nerve impulses toward the central nervous system called?
• How do you find the derivative of ##y=arcsin(sqrt(x))##?
• How many atoms are present in 48.60 g of Mg?
• An ##F_1## plant that is homozygous for shortness is crossed with a heterozygous ## F_1## plant. What is the probability that a seed from the cross will produce a tall plant?
• How do the specific heats of metals compare with water?
• What are all the factors of 360?
• Why is binary fission so effective for bacteria?
• What are some examples of mechanical digestion?
• How do you convert 105 degrees fahrenheit to celsius?
• How would you describe the structure ot an atom?
• How would you arrange the following compounds in order of decreasing pka: ClCH2CH2OH, CH3CH2OH, and Cl2CHCH2OH?
• How fast was comet Shoemaker-Levy 9 going when it hit Jupiter?
• What is the name of the compound ##CO##?
• How do lipids relate to the food pyramid?
• How many molecules are present in a drop of ethanol, C2H5OH, of mass 2.3 × 10–3 g? (L = 6.0 × 1023 mol–1)
• The sum of two numbers is ##69## and their difference is ##23##. What is the smaller number?
• Where are the pacemaker cells located in the heart?
• What is the symbol for phosphorus, the group and the number of valence electrons also the period too? thanks love you all
• How do you write a system of equations with the solution (4,-3)?
• An exterior angle of a regular polygon is 15 degrees. How many sides does the polygon have?
• How do you find the derivative of ##y=arcsin(2x+1)##?
• The current temperature in Smalltown is 20 °F. This is 6 degrees less than twice the temperature than it was six hours ago. What was the temperature in Smalltown six hours ago?
• What is the difference between a correlation matrix and a covariance matrix?
• What is a lichen?
• How can I calculate the number of nucleons?
• Why is the microscope important to the study of biology?
• What is hemophilia an example of?
• If a missile is launched from a station 300 sea level with an initial velocity of 450 m/sec, what is the height of the missile after six seconds?
• What functional group is in ethyl butyrate?
• What is the Hayflick limit? Is it the ultimate blockade to immortality?
• Why didn't Indians unite against the British in the Sepoy Mutiny?
• Why does ethanol only deflected slightly when a positively charged rod is placed next to a stream of it?
• What were goals of the Tehran Conference?
• When is it correct to use "lie" vs "lay"? What is the rule for this?
• How fast is a 13-g bullet that possesses 1.6 kg·m/s of momentum?
• Who became president in the wake of Abraham Lincoln's assassination?
• What is the correct formula for the compound made by magnesium and nitrogen?
• How do you write 1/8 as a percent?
• What is the interval of convergence of ##sum (x^(2n) )/( (2n)! )##?
• Is 61 a prime number?
• How many times will EcoR1 cut a random 10kb DNA fragment? How does this change for linear or circular DNA?
• How are the blastopore and archenteron related?
• What are some examples of marine biomes?
• What is an example of a chemical property of water?
• What is the balanced chemical equation that describes the dissociation of the strong base magnesium hydroxide, Mg(OH)2 in water?
• What is the difference between an infinite sequence and an infinite series?
• You buy 4 bags of sand and 3 bags of pea gravel for $24. In a second purchase (at the same prices), you buy 2 bags of sand for $6. X=Sand Y=Pea Gravel. How much does a bag of sand cost? How much does a bag of Pea Gravel Cost?
• How can I balance this chemical equation? Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride
• What is the name of ##LiI##?
• Who invented the telegraph?
• How do you integrate ##int ( (x^2) / (sqrt(4 - x^2)) ) dx##?
• Why are all factors of production and costs 'variable' in the long run?
• What is the plural possessive form of "deer"?
• How does amplitude relate to the unit circle?
• What oxidation number is copper?
• What is the chemical formula for iodine crystal?
• How do you find the turning points of a cubic function?
• A moon rock weighs 8.5 pounds on the moon. How much would this rock weigh on Earth?
• How do isotopes affect the atomic mass of an element?
• What does villi in the small intestine do?
• How do protists differ from archaebacteria and eubacteria?
• How is lava produced at a mid-ocean ridge?
• Is the epidermis made up of simple squamous epithelium?
• What is the molecular geometry of ##"H"_2"O"##? Draw its VSEPR structure.
• What was the importance of the Safavid Empire?
• What is the difference between molecular formula and structural formula?
• What is the difference between anti-aromatic and non aromatic compounds?
• Does rotational inertia depend on the mass of an object?
• Lynn can walk two miles in 24 minutes. At this rate, how long will it take her to walk 6 miles?
• What was the outcome of the Gadsden Purchase?
• How do you write the prime factorization of 100?
• Please balance the following equation?? MnO4- + I- = MnO2 + IO3- (basic solution)
• How do you find a unit vector that has the same direction as the given vector −5i + 9j?
• How can we convert minutes into seconds?
• Is CO2 polar or nonpolar?
• Suppose a 375-mL sample of neon gas at 78°C is cooled to 22°C at constant pressure. What will the new volume be of the neon sample?
• How did Franklin D. Roosevelt's New Deal coalition affect African American voting patterns?
• How does a mitochondria relate to photosynthesis?
• AgNO3 (3 is a subscript) + NaCl ---> NaNO3 (3is a subscript) + AgCl. If we use 15.0 grams of the first reactant and 15.0 grams of the second reactant, how many total grams of the definite product should we theoretically see at the end of the experiment?
• Why did Africans engage in slave trade? Did they have a choice?
• What does pi 8 mean?
• What did some Northern states do to oppose the Fugitive Slave Act?
• What does the ABC stand for in standard form Ax+By=C?
• How do you find a power series representation for ##ln(5-x) ## and what is the radius of convergence?
• How do metalloids bond?
• How do you find the derivative of ##y=arcsin(1/x)##?
• What is the limit as x approaches infinity of ##arctan(x)##?
• What limits does the Twenty-second Amendment of the Constitution place on the President?
• What is an antigen-antibody reaction?
• Is 53 prime or composite?
• Why is there 5280 feet in a mile?
• How do factor markets and product markets differ?
• What is a geyser and how are they produced?
• Given an activation energy of 15 kcal/mol, how do you use the Arrhenius equation to estimate how much faster the reaction will occur if the temperature is increased from 100 degrees Celsius to 120 degrees Celsius? R = 1.987 cal/(mol)(k).
• What are short definitions of a noun, pronoun, adjective, verb, adverb, conjunction, preposition, and interjection?
• What is the difference between gravity filtration and vacuum filtration? When should vacuum filtration be used? What is the difference between copper (II) sulphate trihydrate, copper (II) sulphate pentahydrate, and anhydrous copper (II) sulphate?
• How do I write an equation in slope intercept form, standard form, and point-slope form using two points (2,-5) and (7,12)?
• What is the square root of 144 over 196?
• Why were King Ferdinand and Queen Isabella called the Catholic monarchs?
• How are amphibians adapted to life on land?
• How can I balance this chemical equations? Potassium metal and chlorine gas combine to form potassium chloride.
• How many grams of ##NaOH## must be used to make 1 Liter of a .80 M ##NaOH## solution?
• How did Bohr change atomic theory?
• How do you find the integral of ##(arctan(2x)) / (1+4x^2)##?
• What is the formula for the chi square test statistic for a goodness of fit test?
• What is the difference between an electrophile and a nucleophile?
• Why are the light independent reactions considered the synthesis part of photosynthesis?
• What does the mitochondria do?
• Is the square root of 25 an integer because it equals 5 which is an integer?
• Henry needs to rent a moving truck. Suppose Company A charges a rate of $50 per day and Company B charges $70 fee plus $30 per day. For what number of days is the cost the same?
• Arrange the following atoms in order of increasing electronegativity: Si S O Na ?
• The temperature outside dropped 13°F in 7 hours. The final temperature was -2°F. What was the starting temperature?
• What is the importance of photosynthesis and cell respiration?
• How are diffusion and osmosis examples of passive transport?
• Hybridization of ##"HCl"##?
• How does mass affect angular velocity?
• What was McCarthyism?
• How are longitudinal waves and transverse waves similar?
• Write the correct chemical formula to distinguish between?: Hydrobromic acid and bromic acid
• What is the oxidation state of the K atom in KClO4?
• What is the chemical formula of citric acids? What happens when they enter our stomach(does it convert our stomach's HCl acid into a base?)?(Please give an explanation with chemical reactions)
• What are hydrocarbons?
• What is the difference between autolysis and apoptosis?
• What is the formula for hydrochloric acid?
• What is chemiosmosis?
• Define cell inclusions?
• Which types of quadrilateral have exactly three right angles?
• How many hydrogen atoms are in each formula unit of calcium bicarbonate ##Ca(HCO_3)_2##?
• What is the formula and molar mass of beryllium chloride?
• What is the mode, median, and mean of 8, 2, 8, 5, 5, 8?
• What are the three geometric isomers of dibenzalacetone?
• How can I make a sodium atom model?
• Why are atomic masses of most of the elements fractional?
• Chalcopyrite, the principal ore of copper (Cu), contains 34.63 percent Cu by mass. A particular sample of chalcopyrite contains 321.5g of copper. Determine the mass of the sample of chalcopyrite in units of grams ?
• If you could shrink the universe down to the size of earth, how big would earth be?
• What is the formula for copper ii carbonate?
• What is the slope of a vertical line?
• How is Lenz's law related to the law of conservation of energy?
• What are the differences between local and global winds?
• What are some real life examples of diffusion?
• In calculations, do the molar masses of diatomic elements ever need to be doubled to account for this?
• A parallel-plate capacitor has a capacitance of 1.35 pF. If a 12.0 V battery is connected to this capacitor, how much electrical potential energy would it store?
• Most probable velocity<average velocity<root mean square velocity so in the given figure why the slope of most probable velocity at the peak?
• Hows does hubris play into the Odyssey?
• Why do the electron configurations of chromium and copper seem to disagree with what is expected according to the Aufbau principle?
• What is a perceptual set?
• What is polarization?
• How many gallons is 2 liters?
• What is the square root of 169 + 25?
• Does the hypothalamus control the hormonal secretions of the pituitary gland?
• What is the function of the simple columnar epithelium?
• How does surface area to volume ratio relate to cell division?
• Calculate the reaction quotient, ##Q##, for mixing 100ml of 0.00028M ##"Pb"("NO"_3)_2## with 200ml of 0.0012M ##"NaCl"##. The ##K_(sp)## for ##"PbCl"_2## is ##1.9 xx10^(-4)##. Does a precipitate form?
• How do you change 4.5 into a fraction?
• What are multiple alleles how do they work?
• How does temperature affect the ideal gas law?
• What does the R-Squared value of a regression refer to?
• What is the charge of the carbon ion?
• How do you graph ##r=8cos2theta## on a graphing utility?
• Is a rift valley a convergent plate boundary?
• How is a thesaurus organized?
• Why is a square a parallelogram?
• 10.0g of a metal, initially at 25 Celsius, are placed into 10.0 g of water, initially at 100 Celsius. Which metal will have the lowest final temperature? A) Aluminium (0.902 J/g*Celsius) B) Gold (0.129 J/g* Celsius) C) Copper (0.385 J/g*Cesius)
• What are some examples of covalent compounds?
• The sum of a number and its square is 42. What is the number?
• How do exclamation points work in Spanish?
• The change in oxidation state of Mn element in the reaction , 3MnO4²- + 4H+→ MnO2+2MnO4- + 2H2O is? Please help me, thanks.
• How do you write 1.8 as a fraction and as a percent?
• Houston, Texas has an average annual rainfall about 5.2 times that of El Paso, Texas. If Houston gets about 46 inches of rain, about how many inches does El Paso get?
• What's the difference between ionization and dissociation?
• Why were alpha particles deflected by the Rutherford's gold -foil experiment?
• How does metallic character change as you move down a group?
• How can cell communication be disrupted?
• How many square inches are in 60 square feet?
• What is it called when you say words in the wrong order?
• What is the difference between a star, planet, and moon?
• What did the Enabling Act do?
• What is the SI unit for volume?
• What is the difference between pH and hydrogen ion concentration?
• What are examples of infinitives used as a noun, adjective, or adverb?
• 3 Reasons of chemical bond formation?
• What are some examples of specific cells that benefit from active transport and facilitated diffusion?
• A converging lens has focal length of 12 cm. calculate at what distance the object should should be placed from the lens so that it forms an image at 48 cm on the other side of the lens?
• How do you write 0.3 as a fraction?
• What was the purpose of the Munich Pact?
• What are some examples of cacophony? What is cacophony?
• What does a 1:1 ratio mean?
• Why do contour lines never cross on a topographic map?
• How are harmonics related to fundamental frequency?
• How do you find domain and range of a rational function?
• Is cyclohexanol an alkane, alkene, or an alcohol?
• How does one calculate deadweight loss?
• A sample of ammonia liberates 5.66 kJ of heat as it solidifies at its melting point. What is the mass of the sample? ##DeltaH_(solid) ## = -5.66 kJ/mol?
• What is the Zeroth law of thermodynamics?
• How do you integrate: ##cos(lnx) dx##?
• Are Fungi Sporangium haploid or diploid?
• What are descriptive adjectives to describe Odysseus from The Odyssey?
• How do you calculate the surface area of the earth?
• When In the absence of air resistance, why does the horizontal component of velocity for a projectile remain constant while the vertical component of free fall?
• What is pluto's distance from the earth in miles?
• What is the difference between humoral and cell-mediated immunity? What role do lymphocytes play in immunity?
• How do you convert Kelvin to Fahrenheit?
• How do I find the surface area of a sphere with a diameter of 14 cm?
• When I converted 968 torr to atm, I got 1.27368421053. Should my final sig fig answer be 1.27 ATM or 1.30 atm?
• How do you write an equation in slope intercept form given ##y - -1/4 = -3(x + 1/4)##?
• Question related to the conservation of mechanical energy?
• How does friction affect the law of inertia?
• What electromagnetic waves are dangerous for humans?
• What is one reason that Greek culture spread outside the Greek peninsula? please help I am stuck
• What is the area of a square with the length of a side equaling 3a^5
• Draw the electron configuration diagram for carbon?
• Why are concave mirrors are suitable for make up?
• If the circumference of a circle is 25cm, what is its Diameter?
• What city and in what year was the Constitution written?
• How do you evaluate ##sin(pi/4) ##?
• What are the factors of 52?
• Which organelle is called the powerhouse of the cell?
• What is a prepositional phrase?
• The length of the diagonal of a square is 22. What is the length of each side?
• How many double bonds are in the Lewis structure for hydrogen fluoride, which contains one hydrogen atom and one fluorine atom?
• What Is the difference between common noun and concrete noun? They both seem to be the same thing.
• How would you balance Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)?
• How many resonance structures are there for the NO3- polyatomic ion?
• How does the photic zone differ from the aphotic zone?
• What charge does a proton have?
• What is the endoderm?
• What is the derivative of ##ln e^(2x)##?
• The density of aluminum is ##2.70## ##g####/cm^3##. What is the mass of a solid piece of aluminum with a volume of ##1.50## ##cm^3##?
• Where does protein synthesis take place?
• What does the term phenotype mean?
• The 3 main parts of the cell theory?
• Do points of inflection have to be differentiable?
• What is the relationship between weathering and erosion?
• If the total revenue function for a hammer is ##R=36x-.01x^2##, then sale of how many hammers, ##x##, will maximize the total revenue in dollars?
• What phases of matter are compressible?
• What are lymphocytes and why are they important to immunity?
• What kind of reaction occurs when you mix aqueous solutions of barium sulfide and sulfuric acid?
• What is the decay equation of cesium 137?
• What is the structure of the hemiacetal formed by reaction of butanone with methanol?
• What is pus? Is it just white blood cells?
• What is the diameter of the earth in km?
• Is ##NaOH## an acid or base? Is it considered strong or weak?
• What happens to the area of a kite if you double the length of one of the diagonals? Also what happens if you double the length of both diagonals?
• How many trophic levels are included in the energy pyramid?
• What are some natural anti-inflammatories, such as foods, herbs, or spices?
• How can the periodic table be used to determine molar mass?
• Romeo and Juliet Act IV: How does Paris think Juliet feels about him?
• What pressure would it take to compress 200 L of helium gas initially at 1.00 atm into a 2.00 L tank at constant temperature?
• What is the chemical formula for acetone?
• Each exterior angle of a regular polygon measures 20. How many sides does the polygon have?
• Why does magnesium hydroxide dissolves in aqueous ammonium chloride but not in aqueous sodium chloride?
• How do you find a tangent line parallel to secant line?
• How many orbitals are there in the third shell (n=3)?
• What organ system does the kidney belong to? What organ system does the liver belong to?
• What does agape mean?
• What is the cos0?
• What is a trait called when it is controlled by more than one gene?
• What is a neurotransmitter?
• What is the phosphorus cycle?
• What is the preamble in the Declaration of Independence?
• How does the diathesis-stress model account for psychopathology?
• How is the atomic number of an atom defined?
• What is the function of the cilia in the trachea and bronchi?
• How many ml of solution can be made if 5 liters of ethanol are on hand and 30% v/v is to be made?
• Find the exact circumference of a circle with a diameter of 5 inches.
• Why is biphenyl formed as a by-product in a grignard reaction?
• Why are alternate exterior angles congruent?
• What does latent heat of vaporization mean?
• Given the empirical formula NH2Cl and a molar mass of 51.5 g/mol, what is the molecular formula?
• Can a father with AB- blood type and a mother with an O- blood type have a child with O- type?
• F John ran a 5-kilometer marathon, how long was that in meters?
• How does effective nuclear charge (Zeff) affect atomic size?
• How does the logistic model of population growth differ from the exponential model?
• What is the formula for the nth derivative of ##sin (ax +b)## and ##cos(ax+b)##?
• How many feet is in 3 miles?
• How many resonance structures does nitrite have?
• What causes blood to flow through the heart?
• What mixtures exhibit the tyndall effect?
• How do you simplify ## [ (a^2 - b^2)^3 + (b^2 - c^2)^3 + (c^2 - a^2)^3 ] / [ (a^4 - b^4)^3 + (b^4 - c^4)^3 + (c^4 - a^4)^3]##?
• Is the element Fe a halogen?
• The diameter of the earth is greatest at the what?
• What is the balanced equation for combustions of propane gas that yields carbon dioxide and water?
• What are some examples of properties of water?
• How many sigma/pi bonds are in the aspirin structure?
• What are the four cardinal signs of inflammatory response?
• What is ##log 100 + log 10##?
• Why are diastereomers optically active?
• How do you calculate pH from acid dissociation constant?
• What is algebra?
• What is the chemical formula for a dinitrogen trioxide molecule?
• How can I find the percent compositions of Al2(SO4)3?
• Is KAl(SO4)2•12H2O (alum) deliquescent or efflorescent? How about CuSO4•5H2O ?
• How does electronegativity change going down and across the periodic table?
• What is a kid-friendly definition of metonymy?
• What is the difference between biodiversity and genetic diversity?
• How do you give a value of c that satisfies the conclusion of the Mean Value Theorem for Derivatives for the function ##f(x)=-2x^2-x+2## on the interval [1,3]?
• How do the body planes divide the body?
• What happens to a spring's force if you stretch it more?
• A state of dynamic equilibrium, ##Ag_2CO_(3(s)) rightleftharpoons 2Ag_((aq))^(+) + CO_(3(aq))^(2-)##, exists in solution. After water is added and equilibrium is reestablished, what change in the number of moles of ##Ag^+## occurs in the system? Explain.
• How does uniform linear motion differ from uniform circular motion?
• How do you find the LcD of the fractions with the following denominators: 30, 18, and 15?
• What is the normal pH of the vaginal canal?
• How many degrees are in a triangle?
• What is unrestricted submarine warfare?
• How do biotic and abiotic factors influence an ecosystem?
• How do you convert 0.25 cg/mL to g/L?
• What is HH blood type?
• When are roman numerals used when naming compounds?
• What are the 4 chambers of the heart?
• How do you calculate surface area to volume ratio of a cylinder?
• How can I write the Lewis dot structure for MgCl2?
• How do you solve for r in ##d=rt##?
• What is naive Gaussian elimination?
• How does einstein's equation change the law of conservation of energy?
• What causes low tides and high tides to occur?
• Mr. Winkle downloaded 34 more songs than Mrs. Winkle downloaded. Together they downloaded 220 songs. How many songs did each download?
• What is the ionic formula for magnesium phosphate?
• Convert 500 ##"ft"^3## to ##"m"^3## What is the correct answer? (a) 152 ##"m"^3## (b) 23.9 ##"m"^3## (c) 1.44 ##"m"^3## (d) 14.2 ##"m"^3## (e) none of the above
• What is the exponential growth formula?
• Why is the voltage the same for resistors in parallel?
• Is boron a solid, liquid, or gas at room temperature?
• What is the structure of (Z)-1-chloro-1-fluoro-1-butene?
• Does herpes affect the integumentary system?
• How many meters are in a yard?
• What does polar mean in chemistry?
• What is fire composed of, in terms of atomic structure?
• What is fission?
• What is the world's largest desert?
• How do you convert 0.83 (3 repeating) to a fraction?
• How can I calculate the molar solubility of BaSO4 given a Ksp of 1.07×10−10?
• What is the greatest common factor of 54 and 36?
• Is there a direct relationship between the eccentricity of a planet's orbit and its distance from the sun?
• How do you evaluate ##sin^ -1(sqrt(2)/2)##?
• In Buffalo, New York, the temperature was -14°F in the morning. If the the temperature dropped 7°F, what is the temperature now?
• Why are chlorides used in flame test?
• How do you find the range and interquartile range for 37, 19, 13, 11, 10?
• How is artificial selection different from genetic engineering?
• If 12 ounces of a liquid has a mass of 317 g, what is the density of the liquid in grams per cubic centimeter?
• If methyl orange added to ##"KOH"##, what would be the color of the solution?
• What is an Arrhenius base?
• Write complete mechanism of dehydration of 2-methyl-1-pentanol?
• How to find out the no. of protons, neutrons and electrons in the species CO and NO+, and lithium fluoride? Is there a specfic formula to calculate? cos I only understand how to calculate the no. of subatomic particles in an element.
• The Second Great Awakening was similar to Jacksonian democracy in its emphasis on what?
• How do you convert grams to kilograms?
• What is a projectile?
• What is exocytosis?
• How do you draw a general titration curve for titrating a weak acid with a strong base (let ph of equivalent point be 9.00)?
• What are the three general cell shapes of epithelial tissue?
• How do you prove: ##1- (sin^2x/(1-cosx))=-cosx##?
• How do you divide radicals on a calculator?
• The melting point of lead is 327 °C. What is this temperature on the Kelvin scale?
• What are good conductors and define the bad conductors with examples?
• What is fracking?
• How do you find a one sided limit for an absolute value function?
• In what sense is Romanticism a reaction to the Enlightenment? What are some Romanticism movement of arts and ideas contribute to the 19th century?
• How do I solve 'log(base 10) 5' without using the calculator?
• What makes a character round, flat, dynamic, or static?
• The heights of young women are approximately normal with mean 65 inches and standard deviation 2.5 inches. The heights of men in the same age group have mean (and median) 70 inches. ?
• Why does a basketball bounce differently inside a gym than it does outside on a cold day?
• How is the Nash equilibrium important in the study of microeconomics?
• What is the function of the pyloric sphincter?
• At what point does the ecliptic cut the celestial equator?
• (a) Determine Δx and xi. Δx= xi= (b) Using the definition mentioned above, evaluate the integral. Value of integral: ?
• Calculate maximum concentration of silver ion in a solution that contains 0.025 M of CO3^2- , the ksp of Ag2CO3 is 8.1x10^-12 ?
• Why are the simple cuboidal epithelium cells important to produce sperms? In what genre is that?
• How can the properties of rational exponents be applied to simplify expressions with radicals or rational exponents?
• What is the largest planet in the universe and how does it compare in size to earth?
• What are the different types of fossils?
• What is the multiplicative inverse of 0.1?
• What are centrioles, centrosomes and basal body in microfilaments?
• How do you solve ##ln(3x+1)-ln(5+x)=ln2##?
• What is passive transport? Why is diffusion an example of passive transport?
• How does shape affect protein structure and function?
• How do genes control the cell cycle?
• What does the Chandrasekhar limit tells us?
• What are enzymes made from?
• Is ##pi## a rational, irrational number, natural, whole or integer?
• Why is interdependence good in an oligopoly?
• How can I draw a possible structure of C2H4?
• How is fluorine the most reactive in non metals?
• 12 is 20% of what number?
• A regular polygon has 21 sides. Find the size of each interior angle?
• How do protostomes differ from deuterostomes?
• What is ice thrusting and how does it result in glacial erosion?
• What's the difference been molecular shape and molecular geometry?
• What is the lattice energy?
• What is 3/2 to the fourth power?
• Why noble gases are non-reactive?
• How do you find the domain and range of a circle?
• How does a Diels Alder reaction work?
• What is the chemical symbol for magnesium?
• To the nearest kilometer, how far would you go if you traveled along the circumference of the equator, assuming the equator is a circle with a radius of kilometers?
• Why is the midpoint formula important?
• An ammonia solution is 6.00 M and the density is 0.950 g/mL. What is the mass/mass percent concentration of ##"NH"_3## (17.04 g/mol)? Thank you
• What color is the blood in our arteries and veins?
• How is dynamic equilibrium related to vapor pressure?
• How do you graph the circle with center at (-4, 2) and radius 5 and label the center and at least four points on the circle, then write the equation of the circle?
• What is the square root of 2 to the power of 1000?
• How do ribosomes and mitochondria work together?
• What happens in a chemical reaction?
• What is an example of assonance in "The Tell Tale Heart"?
• What are the steps in the nitrogen cycle?
• Where is the energy stored in ATP molecules?
• How could one change in a DNA nucleotide alter the formation of the translated protein?
• How do you find the exact value of ##arctan(sqrt(3))##?
• What is the perimeter of a triangle with corners at ##(3 ,4 )##, ##(4 ,2 )##, and ##(8 ,7 )##?
• How is spectroscopy used?
• What is the advantage of the small intestine being so long and having villi?
• What are some examples of diffraction?
• What is the 7th term of the geometric sequence 3, 9, 27,...?
• What would the nuclear equation be for the beta-decay of strontium-90?
• On a graph what quadrants is (4,-3) in?
• What was the Connecticut Compromise also known as?
• When is applied force equal to friction. Can u please explain me this? If you also include examples, it will be best :)
• What is the difference between the organs of digestion and the accessory organs?
• What are examples of industries where a regulated monopoly is more efficient than competition?
• Where is this quote from: "Go confidently in the direction of your dreams. Live the life you have imagined."? I know it's by Henry David Thoreau but where is it from?
• What is the relationship between osmosis and turgor pressure?
• Please explain Id, ego,and super Ego?
• What is the disproportionation reaction of ##MgCl##?
• How do you graph ##r=-3##?
• Alexander Hamilton promoted what type of economic system for the United States?
• What is bloody sunday
• What is a reflex response?
• Between what two consecutive integers does square root of 73 lie?
• How do prokaryotic cells get energy?
• How are centromeres and chromatids related?
• How do find 18 divided by 3/8?
• What is 40% of 20% of 10?
• What do ##a## and ##b## represent in the equation of a hyperbola?
• How do you convert milliliters to liters?
• Give the action of the Clemmensen reduction on 2-butenal?
• What is the nuclear equation for the decay of carbon-14?
• How long would it take a space shuttle to reach the sun?
• What is the function of the earthworm's clitellum?
• How is artificial selection dependent on variation in nature?
• What is nondisjunction?
• Are these sentences synecdoche or metonymy? "Lend me your ears" and "give me a hand." Please explain why.
• A stationary object explodes into two particles of masses m1 and m2 which move in opposite directions with velocities v1 and v2. The ratio of their kinetic energy is what???
• How do you find the simplified radical form of 54?
• What distinguishes ionization, dissociation, and dissolution?
• Solid lithium hydroxide is used in space vehicles to remove exhaled carbon dioxide from the living environment. The products are solid lithium carbonate and liquid water. What mass of gaseous carbon dioxide can 1.00 x 10^3 g of lithium hydroxide absorb?
• What is a semipermeable membrane?
• What is the vsepr model for CH2O?
• When FDR said there was nothing to fear but fear itself, what did he mean?
• What is the Integral of ##1/tan(x) dx##?
• What is the derivative of ##pi/4##?
• Sodium thiosulfate is a hydrated compound containing five water molecules. calculate the amount of hydrated sodium thiosulfate necessary to make 500ml of 0.025M solution (remember that the water molecules are included in the molecular weight)?
• What is the domain and range of ## y=sqrt(x^2-1)##?
• What are some rock songs with alliteration, assonance, simile, or onomatopoeia?
• What is the balanced chemical equation for C8H18+O2 = CO2+H2O?
• How do you balance acid base reactions?
• Why is derivative of constant zero?
• The human chromosomes are divided into 7 groups and "s-e-x" chromosomes. What is the basis of this division? State the significance of karyotype analysis.
• Convert 3/10 to a decimal and then to a percent?
• Calculate the wavelength of the spectral line in Lyman series corresponding to n2=3?
• What is the derivative of ##e^x(sinx)##?
• Here is an interesting question: what is the difference between a raven and a crow?
• What is asexual reproduction?
• What are some examples of smooth muscle tissue? What are some examples of skeletal muscle?
• How do you find the integral of ##tan^2(x) * sec^3(x) dx##?
• How far is Uranus from the sun?
• Is the Avogadro's law the same as the Avogadro's hypothesis?
• What is the distance from earth to the sun in scientific notation?
• What are the 5 states of matter?
• What are some examples of monosaccharides?
• What is 150 mm expressed in decimeters?
• How can altitudes be used to calculate the circumference of the earth?
• Why does nondisjunction cause mutation?
• How are quantitative and qualitative observations different?
• 6 1/2 divided by 3/4?
• How do you simplify ##36^ (3/2)##?
• How do sedimentary rocks form?
• What drives surface currents?
• How do planets orbiting the sun and skaters conserve angular momentum?
• What is chemosynthesis?
• Why do ecologists study both biotic and abiotic factor in a ecosystem?
• How can we calculate the work done in an elastic collision?
• How does a pioneer species contribute to ecological succession?
• The distance between the sun and Jupiter is approximately 484,000,000 miles, how do you write it in scientific notation?
• What is the cord that connects the fetus to the placenta?
• How do earth scientists use maps?
• What does Radical, R, mean in this picture? thanks
• How do you find moment of inertia of two point masses?
• What is pcr?
• What are the similarities and differences between endocytosis and exocytosis?
• Write a balanced equation for copper 2 sulfate with sodium carbonate to produce copper 2 carbonate and sodium sulfate. Can you please help me?
• What does it mean if P(A|B) = P(A) and P(B|A) - P(B)?
• How are hypertonic solutions and plasmolysis related?
• How can I classify metalloids?
• Who were the brown berets
• How did the process of astronomical unit develop?
• What is gametic isolation?
• If you want to prepare a 0.200 M solution of magnesium sulfate from the heptahydrate, MgSO4*7H2O, how many grams would you weigh out to make a 2500.0 mL solution? (Molar masses: MgSO4 120.30 g/mol; H2O 18.02 g/mol)
• How to draw overlapping of pure or hybridized orbitals for Br2 and NO+? Explain the need for the orbital of an atom to hybridized based on the Lewis structures
• Which compound, HBr, HF, HCl, or HI, exhibits hydrogen bonding between its molecules?
• What is atomic number of gold?
• What is a helping verb? If I was "taking swimming lessons" is the helping verb "taking" or "swimming"?
• What was the effect of the Indian Removal Act of 1830?
• How do you simplify the radical expression ##sqrt(x^19)##?
• How many ounces are in a gram?
• How is Le Chatelier's principle used to treat CO poisoning?
• How do gastropods differ from bivalves?
• What are longitudinal waves?
• A carbon isotope consists of 6 protons, 6 electrons and 8 neutrons, what is the mass number?
• What is the definition of exponential growth?
• Which element has a higher 3rd ionization energy, Al or Mg? Why?
• How does scientific notation work?
• How do the cytoskeleton and the cytoplasm contribute to cell's shape?
• What is the difference between a convex polygon and a concave polygon?
• Explain the difference in ionization energies of alkali and alkaline earth metals?
• How come a three-dimensional figure with a curved surface is not a polyhedron?
• What is the van't Hoff factor of ##Na_3PO_4## in a 0.40 m solution whose freezing point is -2.6°C ?
• What are some examples of polysaccharides?
• What is an implied subject?
• For singular words that end in s ss, sh, ch x, or z, what letters are added to make them plural?
• How to calculate specific heat of metal, and molar heat capacity of metal?
• How does a biome relate to a climate zone?
• Where in the body is the skeletal system located?
• How are osmolarity and osmolality different?
• How do you evaluate ##sin(-pi/6)##?
• How many sides does a dodecagon have?
• What exactly does the lymphatic system do to help protect the body?
• What is the valence electron configuration for sodium?
• Why does 1 amu = 1 g/mol?
• Phases of meiosis??
• What is the SI unit of mass?
• Why is magnetic force a non contact force?
• Copper on periodic table:63.546 Explain how you know that this value cannot be the mass of just one copper atom (but instead the average of two or more isotopes). HELP?
• What is the new AC Method to factor trinomials?
• Hydrate problem Copper(II) Sulfate pentahydrate is a well known hydrate. Suppose a sample of the hydrate was heated and 7.24g of anhydrous copper (II) sulfate was recovered. What was the mass of the original hydrated sample?
• Why is cosmology important?
• How do you solve ##sqrt(x/10) = sqrt(3x-58)##?
• What are some examples of hypotonic solutions?
• What is the molality of a nonvolatile, nonelectrolyte solute?
• Ho do I use the limit definition of derivative to find ##f'(x)## for ##f(x)=3x^2+x## ?
• According to Kepler's First Law, planets move in elliptical orbits. Why is that considered accelerated motion? According to Newton, what is the force causing that acceleration?
• How do elements and compounds differ?
• Why are alkaline metals and alkaline earth metals so reactive? Shouldn't they be less reactive because their electrons are harder to pull away?
• How far is Saturn from Earth?
• What animal classification is a snail?
• How do you prove ##(1 - sin2x) /(cos2x) = (cos2x) / (1 + sin2x)##?
• What is the Bronsted-Lowry acid and base versus Lewis?
• Why does t-butyl chloride undergoe solvolysis in 70% water/30% acetone at a rate slower than in 80% water/20% acetone?
• Why does electric potential increase with distance?
• Why is chargaff's rule important to DNA?
• What is a gyre? Where would you find one?
• What is the correct chemical formula for carbonic acid?
• How do you determine the y-intercept of the tangent line to the curve ##y=sqrt(x^2+4)## at ##x=3##?
• What does the surface of Venus look like?
• Define homeostasis?
• What is the function of the Golgi complex?
• What is the formula for photosynthesis and respiration?
• From the point of view of an angiosperm, what is the function of fruit?
• What are elements made of according to John Dalton?
• How do you find the integral of ##(cosx)(coshx) dx##?
• An Avogadro's number (1 mol) of sugar molecules has a mass Of 342 g, but an Avogadro's number (1 mol) of water molecules has a mass of 1 mol of sugar and the mass of 1 mol of water
• What are conidia?
• What are the order of the phases in mitosis?
• How does Boyle's law relate to a bicycle pump?
• What is the function of an Okazaki fragment?
• How do you find the amplitude and period of ##y = cos 4x##?
• Can a person survive long-term with only one lung or with only a portion of one lung? What happens when a lung "collapses"?
• How do properties of ionic and molecular compounds differ?
• How long in meters is 670 nanometers?
• What is the effect of Caesura?
• How many liters of a 0.75 M solution of Ca(NO3)2 will be required to react with 148 g of Na2CO3? __ Ca(NO3)2 + __ Na2CO3 _x0001_ __ CaCO3 + __ NaNO3
• What family of metals is always soluble in water?
• What type of muscle tissue is found in the biceps and quadriceps? What type of muscle tissue is found in the heart?
• What is the lipid bilayer in a cell?
• How does instantaneous rate of change differ from average rate of change?
• Earth’s crust is made up of mostly which two elements?
• How many valence electrons does nitrogen have?
• What is the compound 2-propanol classified as?
• If you don't know the population standard deviation, can you perform a one-sample z test for the mean?
• What advantage is it that the human body temperature 37 degrees?
• What is the least common multiple of 8, 10, 12?
• How is mitosis different in plant and animal cells?
• How many sigma bonds are there in C2H2?
• Why does a sharp knife cut better than a blunt one?
• What is the size of the Earth compared to the moon?
• What is the second order derivative of ##y = 1 / (1-x^2)##?
• How do you calculate Keq?
• What is the derivative of ##lnx^lnx##?
• What does the law of conservation of momentum mean?
• What is the sum of the series ##1+ln2+(((ln2)^2)/(2!))+...+(((ln2)^2)/(n!))+...##?
• What is a monosaccharide?
• How do you convert 2/3 to a percentage?
• What are the types of amnesia?
• What is cosecant and cotangent of pi/3?
• How does crossing-over occur in Meiosis?
• What is a hypothesis in chemistry?
• What is the oxidation state of the elements in the following compounds? Cu(NO3)2 ; KNO3
• Who were Hans & Zacharias Janssen?
• What jobs use geometry proofs?
• What did the Townshend Acts (1767) do?
• How did the United States help Britain in spite of the Neutrality Act?
• What is the molar mass of NaCl (table salt)?
• What do praying mantis eat?
• What are some examples of chemical digestion?
• What structure does the Elodea have that your cheek cell will not have?
• What is meant by Centriole ? What is it's main function?
• What are three characteristics of asexual reproduction?
• Which Lewis electron-dot diagram is correct for a ##"S"^(2-)## ion?
• What is -2 to the 5th power?
• Julie keeps rabbits and hamsters as pets. She has four rabbits and an odd number of hamsters. She has more hamsters than rabbits. The total number of pets she has is less than ten. How many hamsters does Julie have?
• Is Williamson Ether Synthesis an SN1 or SN2 reaction?
• Name the ionic compound ##"CrO"##?
• Why is graphite a good conductor of heat even though it's a non metal?
• A can of soup has a volume of 12 fluid ounces. About how many milliliters is this?
• How would you calculate the empirical formula of acetic acid (CH3COOH)?
• The nucleotides have a nitrogenous base attached to a sugar at which carbon atom?
• What are alleles?
• Does assonance deal with the first letter of a word and alliteration deals with the other letters?
• What was "King Cotton" and why was it called that?
• What is force?
• What does a solution with a hydronium ion concentration of## 10^-11## M have a pH of?
• How do you find the slant asymptote of ##f(x) =( x^2 + 3x - 3) / (x+4)##?
• What is the power rule derivative?
• How is market equilibrium achieved?
• What is zoology?
• What is the function of the hilus? Is the word "hilum" the plural form of "hilus"?
• What intermolecular bonds does HCl have?
• Write and balance the decomposition reaction of sodium azide. What is the mole ratio of sodium azide to nitrogen from the balanced equation?
• What are some examples of chemical weathering?
• What is the meaning of this quote by MLK: "Injustice anywhere is a threat to justice everywhere. We are caught in an inescapable network of mutuality, tied in a single garment of destiny. Whatever affects one directly, affects all indirectly."?
• What are some examples of igneous rocks that are plutonic?
• Find out no. of molecules of ##"SO"_2## (sulphate) in 1) ##"6.4g"## 2) ##"640 u"##?
• Is only the top layer of skin cells alive?
• What is the differences among p hat, po, and the p value ?
• How did Rutherford's gold foil experiment yield new evidence about atomic structure?
• How do the functions of red blood cells and white blood cells differ?
• What does pt mean in a chemical reaction?
• What is the pH of saltine crackers?
• How does domain eukarya differ from domain bacteria and domain archaea?
• How can I draw d -glucose in its chair conformation? Why it is the most common aldohexose in nature?
• What mixtures can be separated by decantation?
• What is the exact value of ##sin 60 - cos 60##?
• How do you find the range of a function algebraically ##y=(x+5)/(x-2)##?
• How does biomagnification affect biodiversity?
• A Rolaids tablet contains calcium carbonate for neutralizing stomach acid. If a Rolaids tablet neutralizes 24.65 mL of 0.547 M hydrochloric acid, how many milligrams of calcium carbon are in a Rolaids tablet?
• How many gallons are in 101.4 fl oz?
• What is the most satiating macronutrient?
• What are four types of chromosomal mutations?
• How do you convert 50°F to Celsius?
• How are vapor pressure and boiling point related?
• How are foraminiferans and radiolarians of geological importance?
• How are simple diffusion and facilitated diffusion similar? How are they different?
• What is the exact value of ##tan 60##?
• Where is the bulbourethral gland located and what is its function?
• What is the differences between nicotinic and muscarinic receptor?
• What is the difference between the lithosphere and the biosphere? Being that both the lithosphere & the biosphere in science research are both the outermost layer of a planets rocky surface, what sets them apart?
• What is a hyperbole about the beach?
• How do cells generate an electrochemical gradient?
• Where did Amish culture originate and how did it diffuse to the United States?
• What is the condensed structural formula of heptane?
• What is a prepositional phrase and what is a participial phrase?
• What is the atomic number of an element sodium?
• What is the quotient of ##b^3 + 4b^2 – 3b + 126## by b+7?
• A copper wire of cross-sectional area 2.0 ##mm^2## carries a current of 10 A. How many electrons pass through a given cross-section of the wire in one second ?
• How do you determine the formula and molar mass of silver cyanide?
• If the main purpose of cellular respiration is to make ATP, why do glycolysis and the Krebs Cycle only make 4 total ATP by the time glucose is converted to carbon dioxide?
• How many grams of solid BaSO4 will form when Na2SO4 reacts with 25 mL of 0.50 M Ba(NO3)2? __ Ba(NO3)2 + __ Na2SO4 _x0001_ __ BaSO4 + __ NaNO3
• The formula for finding the area of a square is ##A=s^2##. How do you transform this formula to find a formula for the length of a side of a square with an area A?
• What is inertia?
• What are the three types of plate tectonic boundaries?
• How do you find the value of cos (pi)/6?
• The element calcium has the atomic number of 20 and the mass number of 40, how many neutrons does it have?
• What is the difference between a producer and an autotroph?
• The top speed of a coyote is 43 miles per hour. What is the approximate speed in kilometers per minute?
• What is the square root of 48/27?
• What are some examples of ecdysozoans?
• What would the formula be for titanium iv oxygen? Would it be TiO2?
• What is the metric unit for measuring mass?
• What is clonal selection theory and why it is so important?
• How is habitat fragmentation related to biodiversity loss?
• What is ammonification with reference to the nitrogen cycle?
• Explain Isomerism and define its types?
• How do you calculate the formal charge of NO3-?
• How do clastic sedimentary rocks differ from organic and chemical sedimentary rocks?
• What element has the noble-gas notation [Ne]3s23p5?
• How is a foliated metamorphic rock different from a non-foliated metamorphic rock?
• How do I graph logarithmic functions on a TI-84?
• What is the slope of a line that is perpendicular to a slope of 0?
• What is an example Kepler's Second Law practice problem?
• How many significant figures are there in the measurement 0.003 kg?
• How do you calculate experimental mole ratio?
• What does it mean to have a negative angle?
• What are tarry oxidation products?
• What does John O'Sullivan mean when he says it is “our manifest destiny to overspread the continent allotted by Providence"?
• Why is homeostasis important?
• Which element is the most electronegative among C, N, O, Br, and S?
• What is an ellipse?
• How did John Locke's beliefs influence American democracy?
• Which element is undergoing reduction in the following reaction: Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s)?
• How is bacterial transformation used in medicine?
• Why reaction between covalent compounds are usually slow?
• Why are so many volcanoes located around the Ring of Fire?
• Why is compartmentalization in eukaryotic cells important?
• Why is it necessary for the respiratory and circulatory systems to work together?
• How long did World War II last?
• How do you simplify ##lne^4##?
• How do you find the greatest common factor of 88, 66?
• Why do energy levels converge at a continuum and what is a continuum?
• What is the difference between homologous and analogous traits?
• When atoms of the same element have different mass numbers, what are they known as?
• What are the units of specific heat?
• Why do prokaryotic cells have no nucleus?
• What is a genotype and phenotype ratio?
• Write and balance the following synthesis chemical equation; nitrogen gas react with hydrogen gas creating ammonia [ NH3]. a. Determine the number of liters of ammonia gas that can be produced at a temperature of 27 degrees Celsius and a pressure of760 ?
• If the work required to stretch a spring 1 foot beyond its natural length is 12 foot-pounds, how much work is needed to stretch it 9 inches beyond its natural length?
• What is 3/5 divided by 6?
• Can a scalar product of two vectors be zero even when neither of them is a zero vector?
• How does electromagnetic spectrum relate to photosynthesis?
• How would you order the following objects from smallest to largest: Star, Planet, Galaxy, Universe, Comet?
• If ##sin theta = -1/3##, and ##180° < theta < 270°##, what is ##tan theta##?
• What is a Giffen good?
• What is anaphase?
• What are the functions of sponges' specialized cells: archaeocytes, choanocytes, porocytes?
• After adding water to convert Mg3N2 to magnesium oxide, the student did not heat the crucible for long enough, and failed to convert all the Mg3N2 to magnesium oxide?
• How do you convert 90 inches to yards?
• If a cylindrical tank with radius 5 meters is being filled with water at a rate of 3 cubic meters per minute, how fast is the height of the water increasing?
• How are the raw materials and end products of photosynthesis and respiration related?
• How do the Special Right Triangles relate to the Unit Circle?
• What is 1/5 as a whole number?
• How are rational and irrational numbers alike?
• What is the difference between a chromosome, chromatin, DNA and a gene?
• Is cocaine classified as a Stimulant, Depressant, Hallucinogen or Narcotic?
• In what two body systems are the ovaries located?
• Why do falling objects make a whistle sound?
• Why are primary carbocations less stable than secondary and tertiary ones?
• What is the difference between its and it's? Thank you!!
• What are some words that start with the prefix hyper?
• How do you convert vertex form to factored form ##y = 3(x+7)^2 - 2##?
• How do you balance redox reactions in basic solution?
• What are the reactant and products of photosynthesis and cellular respiration?
• What is the square root of 125 times the cube root of 25?
• Barium chloride and sodium sulfate form sodium chloride and barium sulfate
• What was the main purpose of the Constitutional Convention at Philadelphia in 1787?
• How is consonance used in poetry?
• How do you find instantaneous velocity from a position vs. time graph?
• What is the name of ##Al(OH)_3##?
• Complete the following 504J = _________ cal = _______ KJ 192 cal = ________ J = ________ KJ 0.423 KJ =_______ J = ________ cal ?
• Why do you think British General Howe wanted to capture Philadelphia?
• What is the domain and range of ##y=2x-6##?
• What aromatic compounds follow Hückel's rule?
• How can you tell that an organism reproduces asexually instead of sexually?
• In H2SO4 how to determine the charge of H2 and SO4?
• The Sun, on average, is 93 million miles from the Earth. How many meters is this using powers of ten?
• What is the formula for iron (III) oxide?
• How many millimeters are in an inch?
• Why is an exothermic reaction spontaneous?
• Why is endosymbiosis important?
• How many ounces in 1/8 pounds?
• What does v=dx/dt means?
• A Big Mac hamburger from McDonald’s contains 540 Calories. (a) How many kilojoules does a Big Mac contain? (b) For how many hours could the amount of energy in a Big Mac light a 100 watt light- bulb? (1 watt = 1 J/s)
• How far is Uranus from the sun in kilometers?
• How do metalloids differ from metals?
• What are 4 secondary sex characteristics of females?
• If the atomic weight of nitrogen is 14.0, what is the mass of one mole of nitrogen gas ##N_2##?
• What is impedance power?
• What is a predicate nominative when you are talking about gerunds?
• What does the prefix "epi" mean?
• What are some examples of organisms in the phylum chordata?
• What does the surface of Mars look like?
• A chef fills a 50 mL container with 43.5 g of cooking oil. What is the density of oil?
• How do the names of ionic compounds differ from covalent compounds?
• How many centimeters are in a inch?
• What is the derivative of ##y=arcsin(3x )##?
• What was the first language actually spoken in the Neolithic era? Into what languages did it eventually evolve?
• What is the acid ionization equation for H2SO4 (including removing the acidic hydrogen H+)?
• How does DNA replication work?
• What is 75 degrees fahrenheit converted into celsius and kelvin?
• How do you determine highest van't Hoff factors?
• How does air resistance affect the motion of an object?
• What is the equation for the perimeter of any rectangle whose width is 8 cm less than its length?
• What is the definition of simple diffusion?
• What is the difference between a spore and a gamete of a plant?
• What is the difference between the Hawaiian volcanoes and the Cascade volcanoes?
• Explain the differences between direction, stabilizing, and disruptive selection?
• What is the chemical reaction for the formation of diaquabis(ethylenediamine) copper(II) iodide from ethylenediamine, potassium iodide and water?
• How do you spell semicolon? Should it be hyphenated?
• What is the difference between chord length and arc length?
• What is the dipole moment for azulene?
• Why is the pH of stomach acid necessary?
• Density HCl 1.19 g/cm^3 Mass Percent of Solute 38 what is the molarity, molality, and mole fraction?
• How did the Vietnam War start?
• How do you calculate the total number of protons and electrons in a polyatomic Ion. Do you have to memorize it?
• How many disaccharides of d-glucopyranose are possible?
• What is the Solomon Asch conformity experiment?
• Can a point of inflection be undefined?
• Define the term specific heat capacity of a substance and give its SI units ?
• What is the square root of x^12?
• Is dialogue often used to provide direct, indirect, intrinsic, or extrinsic characterization?
• How can I difference between substitution and elimination reactions?
• How do I work with log base e on a calculator?
• 5 grams of Methane (CH3OH) react with 10 grams of oxygen (O2), how many grams of carbon dioxide (CO2)will be formed?
• What is uniformitarianism?
• Why doesn't helium have a third ionization energy?
• the spectroscopic notation (also called spdf notation) electron configuration of Ni?
• How many cups are in 20 quarts?
• A spinner has equal sections numbered 1-8. If you spin the spinner once, what is the probability that you will not get a 5?
• What type of mixtures can be separated by filtration?
• How do you find the square root of -300?
• What is a monomial function?
• What are saturated, unsaturated and supersaturated solutions?
• How do isotopes of carbon differ from one another?
• What are some examples of properties of solids?
• What is the overall charge of the electron cloud of an atom? Why?
• What is the empirical formula of H2O2?
• How do you find the area of a parallelogram without the height?
• Is yeast an example of a heterotroph or an autotroph?
• How do you find the reference angle for 290 degrees?
• Why is FeCl3 a Lewis acid?
• How did the outcome of the Korean War compare with that of the Vietnam War?
• How would you write the formula for sodium perchlorate?
• Why is air over New York City considered as a heterogeneous mixture? Why is not considered as a homogeneous one?
• When did Japan surrender?
• What is the mean, median, and mode for 1,2,1,2,1,3,3,4,3?
• Why is the boiling point of iron higher than magnesium ?
• How do polar bonds contribute to the polarity of a molecule?
• How does the law of conservation of mass apply to physical changes?
• Is molecular mass and molar mass the same?
• A fish tank in the shape of a rectangular prism has dimensions of 14 inches, 16 inches, and 10 inches. The tank contains 1680 cubic inches of water. What percent of the fish tank is empty?
• Is formation of acid rain an physical change?
• What is your actual yield of uranium hexabromide if you start with 100 grams of uranium and get a percent yield of 83% ? U + 3 Br2 → UBr6
• How do I convert a mixed number into a decimal?
• What does absolute value mean?
• What act ended the spoils system?
• What is the graph of ##y=sin(x+30)##?
• What is a simple definition of the literary device cacophony?
• Can a quadrilateral be both a rhombus and a rectangle? Please explain.
• How many inches are in 1/4 yard?
• What is the Square root of 21?
• What units are used to measure gas pressure?
• How would you convert 3598 grams into pounds?
• What is the Zaitsev's rule?
• How do you express ln1.5 in terms of Ln2 and Ln3?
• What does a Riemann sum represent?
• What is a non-square rhombus?
• What simple machines are in a bicycle?
• What is the function of small intestine?
• Who invented the periodic table?
• If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
• How many constitutional isomers are possible for C4H9Br?
• Why is logistic growth more realistic than exponential growth?
• What is the difference between nucleophilic substitution and electrophilic addition?
• What is the VSEPR shape of the molecule H2O?
• How long is 33 inches added to 4 feet 7 inches?
• What body system is the pancreas a part of?
• Quest (1) determine the ksp for magnesium hydroxide Mg(OH)2 where the molar solubility of Mg(OH)2 is 1.4X10^-4 M? quest (2) the Ksp for Zn(OH)2 is 5.0x10^-17 .determine the molar solubility of Zn(OH)2 in a buffer solution with a pH of 11.5?
• Do red blood cells have a cytoplasm and cell membrane?
• What is the difference between point-source and nonpoint-source water pollution?
• What is the difference between a habitat and an ecosystem?
• Is the digestive system the same as the gastrointestinal system?
• Kate is using fraction strips to add ##4/10## and ##4/5##. She uses one whole strip to represent the sum. How many fifths strips does she need to complete the sum?
• What does it mean to have type "O positive" blood type? is that rare or common in people?
• What is the name of the alkane having five carbons?
• What is 40% of 98?
• How does chemical potential energy change during endothermic reaction?
• The volume of a square pyramid with a height equal to four less than the length of a side of the base is given by ##V(x) = 1/3(x^3+8x^2+16x)## where ##x## is the height in cm. If the length of a side of the base is 9 cm, what is the volume of the pyramid?
• How do you prove the identity ##(sinx - cosx)/(sinx + cosx) = (2sin^2x-1)/(1+2sinxcosx)##?
• What is the perimeter of a right triangle with a leg of 10 units and a hypotenuse of square root of 127 units?
• What is the position of oxygen in the periodic table?
• What is the molecular weight of sulfur if 35.5 grams of sulfur dissolve in 100.0 grams of CS2 to produce a solution that has a boiling point of 49.48°C?
• What is Chemiosmosis? And how does it function in the chloroplast?
• Balance chemical equation to show how to convert: a.zinc carbonate to pure sample of zinc sulphate b.calcium oxide to a pure sample of calcium carbonate ?
• How do periodic trends affect bonding?
• How does the nuclear membrane differ from the cell membrane?
• How do I evaluate cos(pi/5) without using a calculator?
• What is the hybridization of P in ##PF_3## and ##PF_5##?
• How do you use the second fundamental theorem of Calculus to find the derivative of given ##int (1)/(2+sin(t))## from ##[0, lnx]##?
• Given the mass of an electron is (1/1836) amu, what percentage of the mass of a carbon-12 atom is contributed by its electrons?
• What are the first 5 multiples of 18?
• How many liters of a 3.0 M H3PO4 solution are required to react with 4.5 g of zinc? __ H3PO4 + __ Zn _x0001_ __ Zn3(PO4)2 + __ H2
• A motorboat accelerates uniformly from a velocity of ##6.5## ##m####/####s## to the west to a velocity of ##1.5## ##m####/####s## to the west. If its acceleration was ##2.7## ##m####/####s^2## to the east, how far did it travel during the acceleration?
• How is the small intestine adapted for digestion?
• What is the function of an amoeba's pseudopodia?
• Write the balanced equation for the reation of iron (III) phosphate with sodium sulfate to make iron (III) sulfate and sodium phosphate?
• In the metric system, what is the base unit for length?
• Which substance in each pair of liquids would you expect to be less volatile? Why? butane or water, NH3 or NH2OH, CH3OH or CH4
• Why is hydrogen included in the metal activity series?
• What is the difference between polar and non-polar covalent bonds?
• What is the circumference of a circle with a radius of 36 inches?
• What is emf?
• How do you write 3.5 as an improper fraction?
• Prime numbers between 11 and 31?
• What is Stefan Boltzmann law used for?
• How much is 63 kg in pounds?
• What exactly is HBsAg and HBsAb? What exactly is the difference between HBsAg and HBsAb? Are they antibodies that protect against the HBV or is it the actual virus?
• What is the difference between a limiting reactant and an excess reactant?
• How do lichens contribute to primary succession?
• What does the gradient function mean?
• A blue whale was once recorded with a length of 36 yards. How many centimeter long was the whale, if l in is 2.54 cm?
• Why does the natural rate of unemployment change?
• Why is nucleus called the brain of the cell?
• How many sides does a regular nonagon have?
• What is coldest planet in solar system?
• What would be the empirical formula of ethane?
• Is codeine classified as a Stimulant, Depressant, Hallucinogen or Narcotic?
• What does the scientific equation E=Mc2 mean in relative terms to astronomy?
• What is a divergent mirror?
• What are the goals of environmental science?
• What is entropy of a system?
• A 45-45-90 triangle has a hypotenuse of length 7. What is the length of one of its legs?
• What is the area of a regular hexagon with a side length of 8.1 yards and an apothem length of 7 yards?
• What is the mole ratio of nitrogen to hydrogen in N2H4?
• The chemical formula for carbon tetrachloride ##C####Cl_4## has how many chlorine atoms?
• What is the transverse axis of a hyperbola?
• What is a fault?
• How do I find the number of grams in 1 mole of sulfuric acid. Then calculate the number of grams of sulfuric acid needed to make a 1-L solution of sulfuric acid in water that has a molarity of 3?
• How do hox genes influence animal development?
• Which of the following is a correct statement of the Second Law of Thermodynamics?
• How does price level affect money demand?
• What treaty brought an end to Queen Anne’s War?
• Mars has an average surface temperature of about 200K. Pluto has an average surface temperature of about 40K. Which planet emits more energy per square meter of surface area per second? By a factor of how much?
• How do you find the exact value of cos 180degrees - sin 180degrees?
• How do you translate "the quotient of a number N and 4" into an algebraic expression?
• The angles of a triangle are in the ratio 3:4:5. What is the measure of the smallest angle?
• What's the difference between a formula unit and a molecule?
• A sample of steel with a density of 7.81 g/ml is added to a 100-mL graduated cylinder with 45.0mL of water. If the resulting water level is 55.5 mL, what is the mass of the sample of steel?
• What are the three main functions of the lymphatic system?
• What is the function of the renal artery and the renal vein?
• What is pi factorial (or pi!)?
• How many dependent variables should be in an experiment?
• What is the formula for the conjugate of H2C2O4?
• What is the relationship between D-glucose and D-fructose?
• Why is the force = mass * acceleration rather than mass * velocity? Isn't the force exerted at a given moment rather than over a period of time, which is expressed through acceleration?
• If y varies directly as x and inversely as the square of z and if ##y=20##  when ##x=50## and ##z=5## how do you find y when ##x=3## and ##z=6##?  
• What element has the symbol Rn?
• What is the difference between an intrinsic and extrinsic semi conductor material? What is doping?
• How much does 1 gallon of water weigh in lbs? Given Density of water 1 g/cm
• How and where is the appendix connected to the intestines?
• If 1 inch is 2.54 cm, how many cm are there in 12 inches?
• What role did Victor Emmanuel II play in Italian Unification?
• How far is mars from earth?
• How are monocot and dicot flowers different?
• The center of a circle is at (4, -1) and it has a radius of 6. What is the equation of the circle?
• The charge of the metal in the compound MgSO4 is?
• What is the ionic compound for Ca3(PO4)2?
• What is the empirical formula of cellulose?
• How do tube feet help echinoderms move?
• How does matter change from solid to liquid?
• For the reaction: 4 NO2 (g) + O2 (g) 2 N2O5 (g) a) What is the rate of formation of N2O5 in terms of the rate of disappearance of O2? b) If the rate of disappearance of O2 = 0.0037 mol L-1s-1 what is the rate of disappearance of NO2?
• What happens to ATP when one phosphate group is removed? What new molecule is created when this happens? Which molecule has more energy?
• What is the charge on a carbonate ion ##(CO_3)####2-##?Compared to the number of protons, how many electrons does the carbonate ion have?
• What elements make up lipids?
• How would you balance: Na + H2O --> NaOH + H2?
• What are examples of pun lines in "The Taming of the Shrew"?
• How do stop codons affect translation?
• What is a mutation? How does it increase variation?
• Use the standard normal tables to find ##P(z gt -1.22)##.
• What is the frequency in hertz of blue light having a wavelength of 425 nm?
• Why did California's application for statehood cause a sectional crisis?
• An object is traveling around a circle with a radius of 2 meters. If in 20 seconds the object travels 5 meters, what is its angular speed? What is its linear speed?
• What does the first law of reflection state?
• Where is your stomach located?
• How could IR spectroscopy be used to distinguish between benzene and cyclohexene?
• How do you convert 1.47 km/h to mm/s?
• What is the difference between rock, mineral, ore and metal?
• How many moons does Jupiter have?
• What is the molarity of muriatic acid?
• Do all of the following molecules contain at least one bond angle at 120 degrees: SeS3, SeS2, PCl5, TeCl4, ICI3, and XeCl2?
• Which is considered a stronger lewis acid, BF3 or BCl3?
• What is the domain and range of ##y = 6x + 3##?
• How do prosimians differ from anthropoids?
• How many solar systems are there in the universe?
• Compare a cell plate to a cleavage furrow. What is the difference? What would be the advantage of each?
• What is the oxidation number for Sulfur in the compound Na2SO4?
• How did Pauling define electronegativity?
• How many moles of O are in 10.8mol Fe(NO3)3?
• I am doing some practicing so Please check my work please. Acetone (nail polish remover) has a density of 0.7857 g/cm^3. A) What is the mass, in g, of 28.56 mL of acetone? B) What is the volume, in mL, of 6.54g of acetone? Correct it if it's wrong.
• In the following sentence, should "Who", "Whom", "Whoever," or "Whomever" be used in the blank space?: He was not sure ___ he was voting for.
• What is a compound adjective?
• How did Shi Huangdi unify China?
• What is ATP and why is it important to all living things?
• What determines the length of each period in the periodic table?
• What is the Eucharist?
• How do you carry out Tollens' reagent test?
• What is the relationship between Balanced Force and Net Force?
• How do typical dipole-dipole forces differ from hydrogen bonding interactions?
• What is the difference between constructive and destructive interference?
• How are the nucleus and the nucleolus different?
• If 250 is increased to 300, what is the percentage increase?
• How could you easily distinguish a black and white gneiss from a similar-colored granite?
• Water is a liquid at room temperature. What is this due to?
• How can I illustrate antimarkovnikov's rule by the addition of hydrogen bromide to propene in the presence of benzoyl peroxide?
• How to claculate value of universal gas constant?
• How to convert 0.24 kg to Mg in unit conversions?
• How many ribs does a woman have compared to a man?
• How do you use the Midpoint Rule with ##n=5## to approximate the integral ##int_1^(2)1/xdx## ?
• What's the definition of observational learning?
• How do you find average velocity from a position time graph?
• How do you find the integral of ## 1/sin^2(x)##?
• What units is atomic mass measured in?
• O-Nitrophenol is steam volatile but p-Nitrophenol is not. Why?
• What is the present participle and past participle of is, am, are? How do you change "Saina is exceptional." to present perfect?
• What are six physical changes that matter can go through?
• How do you find the linearization of the function ##z=xsqrt(y)## at the point (-7, 64)?
• Why is a supply curve positively sloped?
• What is the quotient in ##2 4/7 -: 1 3/6##?
• What is the theoretical yield of sodium chloride for the reaction of 36.0 g Na with 75.2 g Cl2 of the following 2NA+Cl2---> 2NaCl? I keep getting stuck with my conversions. I started with 36.0g NA (1 mol Na/22.99g Na) (1 mol Cl2/2mol Na) =0.782 mol Cl2....
• What are the differences between Bacteria, Viruses, Fungi and Parasites?
• What does the intermediate value theorem mean?
• What was a result of Operation Sea Lion?
• What does the Empirical Rule (also called the 68-95-99.7 Rule) tell you about the approximate probabilities for normally distributed values?
• How do I find the value of sin 45+cos 60?
• How did Southerners get around the 15th Amendment?
• An excited hydrogen atom emits light with a wavelength of 397.2nm to reach the energy level for which n=2. In which principle quantum level did the electron did begin?
• What is an example of ionic bonds practice problem?
• What is the area of a trapezoid with bases 2 ft and 3 ft and height 1/4 ft?
• What are some examples of abiogenesis ?
• How does latitude affect the seasons?
• What is the bond polarity of h2o?
• What are polymers and monomers?
• How do you calculate molar volume of a gas at STP?
• What is the balanced equation for sodium chloride?
• How can i calculate orbital angular momentum of an electron?
• In an isosceles triangle with legs that are 1 unit long, the angles are 45 degrees, 67.5 degrees and 67.5 degrees What is its area?
• What does it mean to differentiate a function?
• What are the structural isomers of C3H9N?
• How do you write 5% as a fraction in simplest form?
• How do I graph a quadratic function on a graphing calculator?
• How is a phase diagram for water different?
• How do you calculate gradient on a topographic map?
• "Nothing is true; everything is permitted." What does this really mean?
• How do you graph the parabola ##y= (x + 3)^2 - 2## using vertex, intercepts and additional points?
• How far does light travel in one minute?
• Why is Boyle's law an inverse relationship?
• What is the function of cilia in a paramecium?
• What is personification?
• Simplify this ##sqrt(9^(16x^2)) ## ?
• How do you find the exact values of cot, csc and sec for 180 degrees?
• What is the molar mass of ##Cl##?
• What is the primary difference between a scientific theory and a hypothesis?
• Why are metalloids sometimes called semimetals?
• How would you find the perihelion distance of Mars?
• What is permineralization and how is it important for the preservation of fossils?
• What is the difference between measures of center and measures of variability?
• Why did Galileo's observations of Venus help to disprove the geocentric model of the solar system?
• What is the valence electron configuration for potassium?
• Why does the narrowing of the arteries decrease blood flow but increase blood pressure?
• There are 200 students in the 7th class at Manchester Middle School. Of these students, 22% play football and 12% play baseball. Eight students play on both teams. What is the probability that a student plays either football or baseball?
• Find the length of an arc with a radius of 10.0 m swept across 100 degrees?
• What raw materials is required for the process of photosynthesis and respiration?
• Why are sex-linked disorders more common in men?
• How do you calculate the atomic mass of copper?
• What is the main functional group present in acetone (propanone)?
• How do you find the missing side of each right triangle. Side c is the hypotenuse and Sides a and b are the legs, b=sqrt6 yd, c=4yd?
• What are the functions of the cornea, pupil, lens, retina, and optic nerve?
• On February 19, the temperature in Orlando was 78° Fahrenheit. In Fairbanks, Alaska, the temperature was -49°F. What was the difference in these temperature readings?
• What is the square root of -26 times the square root of -13?
• If ##g(x)=1/2x^2+3##, what is ##g(-4)##?
• What is half of 1 1/3 cups?
• In order for a field trip to be scheduled, at least 30 students must sign up. So far, 23 have signed up. At least how many more students must sign up in order for the field trip to be scheduled?
• What is the function of the loop of Henle?
• What is a halogen atom?
• What are neutrophils and eosinophils?
• What is a homozygous dominant genotype?
• If ##1/4## gallon of paint covers ##1/12## of a wall, then how many quarts of paint are needed for the entire wall?
• Which organelle would be unable to function properly in an environment with no oxygen and no glucose?
• What was the significance of the Battle of Leyte Gulf?
• What is a hypotenuse?
• What is pluto's distance from earth?
• Why did America enter WWII?
• How do you use synthetic substitution to evaluate ##P(x) = 4x^2 - 9x + 2## for ##x=3##?
• Find formula unit mass of NaHCO3?
• In the stomach, what is the role of chief cells and parietal cells?
• How do you graph ##y=1/2(1-cosx)##?
• How can you find the density of Iron without looking up on the internet?
• What are the 3 main types of seismic waves? How do they differ from each other?
• What was the outcome of the Battle of Verdun?
• How many different kingdoms of organisms are there?
• What is the subject in the sentence? Why? One-third of the people are suffering.
• How do you convert 4/25 into a decimal and percent?
• What is the definition of parallel sentence?
• Why is the radius of the lithium atom considerably larger than the hydrogen atom?
• What does anatomy and physiology mean?
• What was the Enlightenment and how did it influence the rise of world revolutions?
• What is a strait motion .. what is refrence point,origin,frame of refrence?
• What is the colour of the nucleus?
• What are some examples of supersaturated solutions?
• Will all combinations of metals and non-metals from ionic bond? why?
• The IV bag that was available in class read .45% NaCl. What is the osmolality of this bag? What is the significance of this value? When would you use an IV bag of this concentration?
• What are aromatic amino acids?
• How is air pressure created?
• The official length for a marathon race is 26.2 miles. How many yards long is a marathon? How many feet?
• How many cubic centimeters would you need to have 1 mole of aluminum?
• Is pressure a vector, scalar or tensor quantity. Why?
• What are the resonance structures of: anisole and benzaldehyde?
• How do I name binary molecular compounds?
• How does the law of definite proportions apply to compounds?
• What's the definition of acoelomate?
• At what temperature does water freeze?
• How do you find the square root of 56?
• How does photosynthesis affect the carbon cycle?
• Why must external fertilization in animals always occur in water?
• What electron charge is copper?
• What does it mean if a lever is at a mechanical disadvantage?
• What are the factors of 48?
• What is the electron configuration for aluminum?
• How do fossil fuels form?
• Why can transverse waves not be produced in gases?
• How do you express a mass of 0.014 mg in grams?
• How many meters are equal to 0.044 km?
• How do you find the area inside the circle ##r=6## and above the line ##r=3cscθ##?
• What is the specific role of the cerebrum in the function of the nervous system?
• A ##1/4## inch thick lead sheet is used for protection from medical x-rays. If a single lead atom has a diameter ##350## pm, how many atoms thick is the lead sheet?
• How are metamorphic rocks formed and what are some examples?
• How do you find the z-score for having area 0.09?
• Can you write the equation for the oxidation and reduction half-reactions for the redox reactions below, and then balance the reaction equations? a. MnO2 + HCl --> MnCl2 + Cl2 + H2O b. S + HNO3 ---> SO3 + H2O + NO2
• What is the duct that connects to the duodenum?
• How do you simplify ##40 + 40 * 0 + 1##?
• Solutions of barium nitrate and sodium sulfate are mixed, and a precipitate of barium sulfate is formed. Why is barium sulfate the only compound that precipitates when the solutions are mixed?
• What material is Mars made out of?
• How do you simplify: square root of 32 - square root of 18?
• Heating potassium chlorate produces potassium chloride and oxygen gas. The balanced equation for this decomposition reaction is below. Calculate how many moles of oxygen gas are formed from 6.32 grams of potassium chlorate? 2 KClO3 = 2KCl + 3 O2
• What does mutually exclusive mean?
• Explain genetic drift?
• What is the difference between ingestion, digestion, absorption, and elimination?
• What is the difference between daughter cells produced by meiosis and daughter cells produced by mitosis?
• Why does the nucleus of an atom have a positive charge?
• What is malapropism? Is there a movie that has some sort of malapropism in it?
• How does the pancreas help maintain homeostasis?
• Convert 255 mmHg into atm. And convert 620 torr into psi
• How do you solve compound inequalities ##4x<16## or ##12x>144##?
• How was Coulomb's law equation created?
• Of the dorsal, ventral, cranial, vertebral, thoracic, abdominal-pelvic, abdominal, or pelvic cavities, which is the most protective body cavity?
• How can the distance formula be used in real life?
• How do you prove ##(1 + tan^2x)/(1-tan^2x) = 1/(cos^2x - sin^2x)##?
• Can you compare the location of bonding electrons in a polar covalent bond with those in a nonpolar covalent bond?
• How do you prove ##(tany+coty)/cscy=secy##?
• How do you find the region inside cardioid ##r=1+cos(theta)## and outside the circle ##r=3cos(theta)##?
• What is the isotope notation for chlorine?
• What is the domain and range of ##y = 3x - 5##?
• What is the Lewis electron-dot diagram for a fluoride ion?
• What did the earth's surface look like during the Jurassic Period?
• Imagine that you are flying from Boston to San Francisco. You leave Boston at 8:00 A.M. What time is it in San Francisco?
• Do all cells in the human body undergo mitosis? why?
• What are the factors of 108?
• How do you find the greatest common factor of ##140n, 140m^2, 80m^2##?
• How do you find the coterminal angle for ##(11pi) / 4##?
• How do polar covalent bonds dissolve in water?
• What does "eu" mean? As in EUlogy, EUphony, EUgenics?
• Where did the Iroquois tribe live?
• What is variation? Why do species vary? Why do individuals within a species vary?
• What was one effect of Copernicus' theory of a sun-centered solar system?
• Why are standardized units of measurement important?
• What are some examples of Ion-dipole forces?
• You find 7g of Nitrogen in 0.50 dm^3. Whats the mass?
• How does the law of conservation of energy apply to calorimetry?
• What is the purpose of a capacitor?
• How many earths can fit the diameter of the sun?
• How do you find vertical, horizontal and oblique asymptotes for ##(-2x^2-6x+3)/(3x+9)##?
• Is ##1/3## a rational, irrational number, natural, whole or integer?
• How many pi bonds are formed when sp2 hybridization occurs in ethene, C2H4?
• How can physics help engineers?
• What is the quotient of 3/4 divided by 2/3?
• How do you find the six trigonometric functions of 315 degrees?
• At what temperature is the concentration of a saturated solution of ##KCl## (molar mass 74.5 g) approximately 3 molal?
• How many moles of atoms are in 3.00 g of ##""^13C##?
• What was main purpose of Henry Clay's "American System"?
• How can you determine periodic table charges?
• How was the State of Israel created?
• Why is the heart a muscle and not an organ? Is it both an organ and a muscle?
• What is the product of the aldol condensation between cyclopentanone and 4-methylbenzaldehyde?
• How many milliseconds are in 6.7 seconds?
• A chessboard contains 32 black and 32 white squares. How many squares are along each side of the game board?
• What is the relationship between diatomic molecules and diatomic elements?
• What is the reference angle for ##(14pi)/3##?
• What is the Luster, Specific Gravity, Cleavage and Transparency of Aluminum (Al)?
• What is medical asepsis?
• EXPLAIN When might you need to know the absolute location of a place? When might knowing the relative location be more helpful?
• Why was the Kellogg-Briand Pact considered useless?
• How do independent variables differ from dependent variables?
• How do you find the reference angle for ##(25 pi)/6##?
• In which abdominal quadrant is the liver located?
• What are continuous functions?
• In what organ is the waste from the digestion process collected for eventual disposal?
• What is the principle of independent assortment?
• What is the difference between an aldose and a ketose?
• How do you write 6 1/2 miles and 1 1/4 miles as decimals?
• What does the percentage of M.F. on the yogurt mean?
• How do you solve the Arrhenius equation for ##T_2##?
• How do you solve ##Cos 2 theta = cos theta##?
• What is amylase? Where is it found? What does it do?
• What are the major characteristics of the euphotic zone?
• What would be the major product obtained from hydroboration–oxidation in 2-methyl-2-butene?
• At what temperature, the hydrogen molecules will have same kinetic energy as nitrogen molecules at 280 K?
• What did Thomas "Stonewall" Jackson do to gain his nickname and become a noted Civil War figure?
• If ##a^2 + b^2 = 4## and ##(a-b)^2 =2##, what is the value of ##ab##?
• How do you find the square root of the fraction 64/100?
• How do you simplify ##Sin(Cos^-1 x)##?
• What is the mode, median, and mean of 3, 12, 11, 7, 5, 5, 6, 4, 10?
• What is the common ratio for this geometric sequence ?
• What is the purpose of using the elimination method?
• A block with initial velocity of 3 m/s slides 9 m across a rough horizontal surface before coming to rest. What is the coefficient of kinetic friction?
• What is solubility?
• How do you simplify 4 square root of 27 - square root of 75?
• What is a country with poor infrastructure and an undeveloped industrial base called?
• What is the formula for calcium hydroxide?
• What is a good way to remember the definition of aphorism?
• What is the function of cytosol?
• What are the key points in Dalton's atomic theory
• What are the intermolecular forces of CHF3, OF2, HF, and CF4?
• What is the limit as x approaches 0 of ##arctan(ln(x))##?
• What is a prime number between 10 and 20?
• Is ##Ba(NO_3)_2## ionic or covalent? What is its name?
• How can I balance this chemical equations? hydrogen gas and nitrogen monoxide react to form water and nitrogen gas
• Why do you breathe heavy when you exercise? Why does your heart beat faster when you exercise?
• What it the chemical equation for sugar with potassium nitrate?
• Where is the electron cloud located in the atom?
• How do you convert ##y = x## into polar form?
• What is the differeence between synapse and synaptic cleft?
• What is the orthocenter of a triangle and how is it used?
• In a 30-60-90 triangle, where the long leg is 12, what is the length of the short leg?
• How do you simplify and make the fraction 18/25 into a decimal?
• What is 480 cm as m?
• How do I find the volume of a sphere in terms of pi?
• The mass solubility of CaF2 in water is 0.016 g/L in water. What is the molar concentration of fluoride ions in a saturated solution of CaF2? And what is the value of Ksp for CaF2?
• How do you write the formula of zinc oxide?
• How did salutary neglect lead colonists to rebel against Great Britain?
• How do you use part 1 of Fundamental Theorem of Calculus to find the derivative of the function ##y=int (6+v^2)^10 dv## from sinx to cosx?
• What is Iodoform test?
• What are the x-intercept and the y-intercept of the graph of ##y=-1/2x-5##?
• What covalent compound is SCl4?
• What is the subject and predicate of this sentence? I am your best friend.
• What was the effect of the Tonkin Gulf Resolution?
• What is Infinity?
• How many chromosomes are in each cell (gamete) at the end of meiosis?
• What are the five most common inequality symbols?
• A cube has a volume of ##15625## ##cm^3##. What is the surface area in ##cm^2##?
• Is NF3 an acid or a base?
• What is the formula for calculating constant percent change?
• Why isn't 57 a prime number?
• Finding the empirical formula of iron oxide?
• How did the Meat Inspection Act protect consumers?
• What is Hydrogen?
• How did the Czech people react when Alexander Dubcek was replaced by a Soviet leader?
• Why is red bone marrow considered part of the immune system?
• 100 kilometers is equal to how many miles?
• The index of refraction for water is 1.33 and for glass it is 1.52. What happens to the speed of light when light travels from water into glass?
• What happened in 1870 that created bad blood between Germany and France
• How do you simplify the Square root of 196?
• How does nuclear decay affect the atomic number and mass number?
• Jason can travel 24##3/4## miles in ##1/2## an hour. What is his average speed in miles per hour?
• How does the structure of the cell membrane relate to its function?
• How would you represent potassium and bromine using an electron dot diagram? How about KBr?
• What causes bond polarity?
• What is the difference between prokaryotic genes, eukaryotic genes and operon?
• Why do spring tides happen twice a month?
• What are examples of physical changes? Chemical changes?
• What is aggregate supply?
• Please let know how is Electronegativity value in Halogen family? I am really unclear. Thank you.
• What is the difference between a hepatic vein and a hepatic portal vein?
• What is a binomial nomenclature?
• How did the line of demarcation affect settlement of South America?
• The force exerted by the floor of an elevator on the foot of a person standing there ,is more than his weight if the elevator is: a-going up and speeding down b-going down and slowing down c-going up and speeding up d-both b and c?
• How does molality affect the freezing point?
• What does it mean to say the Kepler's laws are empirical in nature?
• What is 22 degrees in Fahrenheit in Celsius?
• What biomes do pandas live in?
• Which ionic compounds are insoluble in water?
• What are binary compounds?
• Is cellular respiration the same as cellular metabolism?
• Explain what is ferrocene?
• What are some examples of enzymes?
• What is the acceleration due to gravity on the surface of a planet that has twice the mass of the Earth and half its radius?
• How do lines of longitude differ from lines of latitude?
• What was the name of the first Emperor of China that wanted everything in China to be uniform?
• An individual with blood type O negative can donate blood to individuals with what blood types?
• How do you graph ##x^2 + y^2 = 100##?
• A sample of 0.2 moles of magnesium bromide. What is the number of moles of magnesium ions and bromide ions?
• What does alcohol fermentation produce?
• What are the conclusions of the Cathode ray experiment?
• Why are valence electrons important?
• How many bones are in the human body?
• What are examples of irony in popular media, TV, or movies?
• What is onomatopoeia?
• Who was the first person to walk on the moon?
• What are the organs on the right side of the body?
• What is the formula of aluminum phosphate?
• How do you find the missing side of each right triangle. Side c is the hypotenuse and Sides a and b are the legs, a=11m, c=15m?
• What is the difference between electrostatic attraction and intermolecular forces?
• What are some examples of organic sedimentary rocks?
• How do you determine if ##-2/3## is a monomial?
• Using lewis structure,determine which of CO and OH is a radical (2)Why is it possible for a molecule to have polar bonds yet have a dipole moment of zero?
• What is the hybridization of the central atom in ##ClF_5##?
• Two elements that have properties similar to those of the element sodium?
• What are the differences between E1 and E2 reactions?
• The density 10.5 molal of ##NaOH## solution is 1.33 gmL-1. How do you calculate mole fraction of ##NaOH##?
• What is the most acceptable electron dot structure for ##N_2H_2##?
• What was the result of the Battle of Long Island?
• Why is scarcity and choice important in economics?
• How do you find the second derivative of ##sec^2 (2x)##?
• What is the simplest radical form of 120?
• What is the difference between migration and gene flow?
• What is the formula for magnesium sulfate heptahydrate?
• What is enzyme specificity?
• What is the difference between a conjunction and a linking verb?
• Why does hydrogenation require a catalyst?
• How long are human intestines?
• How do you write 3/11 as a decimal?
• What is the structure and function of the trachea and the bronchi?
• What is fauna?
• What is anaerobic respiration and how does it work?
• 36 plus a number equals 59. What is the number?
• How do phylogenetic trees reveal the existence of homoplasy?
• Will a precipitate form when we micx Ca(NO3)2(aq) with NaOH(aq) if the concentrations after mixing are both 0.0175M?
• What is a participle?
• R/S Absolute configuration: how to decide if it is R or S configuration ?if it given that (1) NH2 will be in the position of W (2) CH3 will be X (3) Cl will be Y (4) CH2NH2 will be in the position of Z I will attach a pic to show the place of compounds
• What does the term "Holocaust" mean?
• What is the sun made of?
• How do I find an inverse matrix on an Nspire?
• What is the square root of 64?
• How do I convert the equation ##f(x)=x^2-2x-3## to vertex form?
• What are the basic building blocks of proteins, lipids, and polysaccharides?
• "He wore a fustian tunic stained and dark." Is this direct or indirect characterization, and why?
• Why are cotyledons white inside the seed?
• How many seconds are there in 2.5 hours?
• How would you explain the Aufbau principle?
• What is the effect of antithesis?
• What is the full electron configuration for ##"Mg"^(2+)##?
• What is internal conflict and what is external conflict?
• How many Spanish verbs are there? And what are they?
• Who is called the "Father of the Constitution" because of his work at the Constitutional Convention?
• What is the sum of the interior angles of a hendecagon?
• What is the difference between a bisector and a perpendicular bisector?
• What is the square root of 27 plus the square root of 75?
• When a sulfur (s) atom becomes an ion, what charge does it usually have?
• Is "sunshine" an concrete noun or abstract noun?
• Where are the adrenal glands located? What is their function?
• How can primary succession lead to soil formation?
• How many short bones are in the body?
• What was the significance of the Battle of Guadalcanal?
• What is a salt and how is it compared with acids and bases?
• Ricardo lost 6 golf balls while playing yesterday. He bought a box of 12 golf balls, then lost 4 on the course today. He now has 18 golf balls. How many golf balls did Ricardo have to begin with?
• Did the Emancipation Proclamation apply to all the union states?
• Who was the first person to observe the moon through a telescope? What features of the moon did he identify?
• The mass of a moon rock is 3.5 kilograms. What is the mass of the moon rock in grams?
• What is steel an example of?
• What does the atomic number represent?
• What is a keystone species?
• How many resonance structures can be drawn for ozone, O3?
• How do multiple alleles affect the number of phenotypes?
• Why do volcanoes form when one plate dives under another?
• How do you verify ##(1-cos^2x)(1+cos^2x)=2sin^2x-sin^4x##?
• What is blank verse? What is an example of a blank verse in the play Julius Caesar by William Shakespeare?
• Why are arteries red?
• An aqueous solution is 12.00% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.036 g/mL. What are the molality, mole fraction, and molarity of NH4Cl in the solution?
• At 27°C and 1 atm, 20% of N2O4 dissociated into NO2 as shown below. Determine partial pressure and equilibrium constant, kp N2O4 (g) <> 2NO2 (g) (Assume that the number of mole of N2O4 before dissociation is 1 mole)?
• What is magnetism?
• How do you write a sum in expanded form?
• Can square root of 34 be simplified?
• How do you round 0.4062 to the nearest hundredth?
• The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 66 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon?
• What is t-butyl alcohol?
• Red light has a wavelength of 6.8E+2 nm. What is its frequency in 1/s, or Hz?
• What is the endosymbiotic theory?
• When ##"H"_2"SO"_4"## reacts with sodium hydrogen carbonate there is no reaction at all. What is the chemical equation for this?
• How does paleomagnetism support the theory of plate tectonics?
• An iron atom has an atomic number of 26 and an atomic mass of 55.8 amu. How many protons does an iron atom have?
• When does a test tube need to be held with the test tube holder?
• If linear momentum is increased by 50% then how much will the kinetic energy increase by, and why?
• How many stereoisomers can exist for cortisone?
• What is the difference between red marrow and yellow marrow?
• How did the Soviet Union respond to the U.S. policy of brinkmanship?
• How can I find the percent compositions of (NH4)3PO4?
• How do you solve ##4x^2=52## solve using the square root property?
• What are structure and function of alveoli?
• How do you write the the reaction of lead(II) nitrate (aq) with sodium iodide (aq) to form lead (II) iodide precipitate and sodium nitrate solution?
• What is cyclic amp?
• Why are stratovolcanoes sometimes called composite volcanoes?
• What is the smallest possible value of the sum of their squares if the sum of two positive numbers is 16?
• What does a rhombus with two right angles look like?
• The circumference of a circle is 6.28. What is the area of the circle?
• How are transverse waves and compressional waves alike?
• How far away is pluto from earth? Does this distance vary?
• What is transcription?
• What is the difference between a Joule (J) and an electron volt (eV)?
• What is the relatively soft layer of the upper mantle called?
• What are the six possible alkenes for C5H10?
• What is the pOH of a 2.7x10-11 M solution of LiOH?
• In a 30-60-90 triangle, the shorter leg has length of ##8sqrt3## m. What is the length of the other leg (L) and the hypotenuse?
• Haworth formula draw structure of sucrose and explain why it is considered non reducing sugar?
• What is a dilation, or scaling around a point?
• How are biomes distinguished from eachother?
• How do you name imines?
• What is the McLaurin series of ##f(x) = sinh(x)?
• What is distress?
• How do you convert 1/5 into a decimal and percent?
• How much water would I need to add to 500 mL of a 2.4 M KCl solution to make a 1.0 M solution?
• How do you find the unit rate for 44 breaths in 2 minutes?
• What is the y-intercept for the equation ## 7x + 2y = - 12##?
• What is thymine?
• Precious metals are commonly measured in troy ounces. A troy ounce is equivalent to 31.1 g. How many moles are in a troy ounce of gold? How many moles are in a troy ounce of platinum? of silver?
• What is the structure and function of the heart of a fish?
• Where in the human body does lactic acid build up?
• Why is molality used for colligative properties?
• How do you find the quotient of a number and 12?
• What is neutralization?
• What is the molar mass of helium gas?
• What is the GCF of 180, 108, and 75?
• How many Moles of electrons weigh one kilogram?
• Does the action of atrial natriuretic peptide (ANP) on mesangial cells change glomerular filtration rate? Does increased release of renin?
• What is the second derivative of ##xe^(2x) ##?
• Fe2O3(s) + 3CO(g) → 2Fe(s) +3CO2(g) How many grams of iron can be produced from 1.00 kg Fe2O3?
• What is the absolute value of negative one and one-third?
• Ironsulfide has 36.5% S by mass. Ironsulfide is heated in oxygen, which makes SO2(g) + ironoxide containing 27.6% O by mass. a.Write a balnced equation for reaction. b.If 1.0 kg of the iron sulfide reacts w excess O, what's theoretical yield of ironoxide?
• How can I use a gerund as an indirect object?
• How is the geometry of so2 different from that of co2 ?distinguish between the geometeries on the basis of dipolmoment
• How is molecular polarity related to solubility?
• What is the integral of ##cos2(theta)##?
• How do i convert 1.2kg /m3 into g /cm3?
• What is the integral of ##(cos^2x) / sinx##?
• Why is beta decay continuous?
• What is the ionic bond formation of NaCl?
• Why is solvation considered a surface phenomenon?
• What is 120 inches in ft?
• What is the square root of 2.25?
• How do you write the Chemical Symbols of elements?
• What are the prime factors of 57?
• What is diffraction of light?
• What does a 2:1 ratio mean?
• What is the taylor series of ##xe^x##?
• What is an example of entropy from everyday life?
• What is the difference between vinylic and aryl halide?
• Hos do indifference curves relate to substitute goods?
• How to find extrapolated temperature?
• The vapor pressure of water at 20 C is 17.5mmHg. What is the vapor pressure of water over a solution prepared from 200g of sucrose (##C_12H_22O_11##) and 112.3 g of water?
• The base of a triangular pyramid is a triangle with corners at ##(2 ,5 )##, ##(6 ,5 )##, and ##(7 ,8 )##. If the pyramid has a height of ##15 ##, what is the pyramid's volume?
• What is -25 fahrenheit in celsius?
• Lewis dot structure and vesper shape for Hydronium?
• I am the head of the carbon family known as the "basis of life##? What am I?
• Light from the sun reaches Earth in 8.3 min. The velocity of light is 3.00 108 m/s. Given this info, how would you determine how far the Earth is from the sun?
• Which of the following synonyms for home has the most positive connotations: castle, abode, hovel, dwelling?
• How are hydrogen bonds different from covalent and ionic bonds?
• A solution is prepared by adding 2 grams of substance a to 18 grams of water. How do you calculate the mass percent of the solute?
• Why is ammonia hydrophilic?
• What is the conjugate acid-base relationship of (H2PO4)- and (HPO4)-?
• What is the end behavior of the square root function?
• Why are alkenes and alkynes called unsaturated compounds?
• ##"Z"^-## is a weak base. An aqueous solution prepared by dissolving 0.350 mol of ##"NaZ"## in sufficient water to yield 1.0 L of solution has a pH of 8.93 at 25.0 °C. What is the ##K_"b"## of ##"Z"^-##?
• What is the mass of hydrogen in 49.2 g ammonium hydrogen phosphite?
• Did the United States win or lose the Vietnam War?
• How does acceleration affect tension?
• How do you write the algebraic expression: the quotient of 15 and y?
• What is antimatter and dark energy ?
• What is a myogenic heart? How is this different from a neurogenic heart?
• What role did the 13 colonies have in the British empire?
• What are the different types of irony?
• Convert 17 miles to kilometers if 1 inch = 2.54 cm ?
• How do you solve quadratic equations to the fourth power?
• What are the three states of matter?
• What was wrong with Rutherford's model of the atom?
• Why does crystallization separate mixtures?
• What were the international consequences of World War II for the Allied Powers and Axis Powers?
• What trophic level is occupied by carnivores?
• How is gene expression related to the central dogma of molecular biology?
• What is the purpose of double blind experiments?
• How does the sun affect the phases of the moon?
• What is the function of ependymal cells?
• What is the vertex and direction of this parabola ##y=-3(x+2)^2+3##?
• Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of iron(III) bromide and potassium phosphate are combined?
• How do you tell the difference between a hydroxyl group and an alcohol group?
• What is the formula for molar heat of solution?
• How did Robert Millikan's oil drop experiment change scientists' view of the atom?
• What percent composition of glucose is carbon?
• What is ground tissue?
• How do you rationalize the denominator of ##1/(sqrt(2)+sqrt(3)+sqrt(5))##?
• Consider butter (density=0.860g/ml) and sand (density=2.28g/ml). If 1.00ml of butter were mixed with 1.00ml of sand and mixed as thoroughly as possible, what would be the density of the resulting mixture?
• What is the sphincter of Oddi? What is the ileocecal sphincter?
• The sum of two consecutive integers is 47, how do you find the two numbers?
• What is one proof of the converse of the Isosceles Triangle Theorem?
• What is a 100 sided polygon called?
• How can you find the ionic charges of elements by looking at the periodic table?
• Which southern state refused to ratify the Twenty-fourth Amendment?
• If I have a chart that claims that the Atomic radius of Rubidium is 248 picometers cubed, how can I calculate how many Rubidium atoms span the length of 1.00 centimeter (Assume that the Rubidium atoms are touching each other) ?
• What is the thermochemical equation for the combustion of benzene?
• What is an angle?
• What are atoms?
• What was the Selective Service Act?
• When sodium acetate is added to acetic acid, the degree of dissociation of acetic acid....?
• How does one find the number of atoms of each element in K3PO4?
• What is the difference between laxative , purgative and cathartic?
• On the Celsius scale, at what temperature does water boil?
• How do you convert 26.280 kilometers to feet?
• What is the molarity of glacial acetic acid (CH3COOH, Mr = 60.05g/mol) at 25 degrees C given that the density of acetic acid at that temperature is 1.049g/mL?
• What is the appositive phrase in the sentence: Problem number 19, the final question, was difficult."?
• How do you find the slope for y=2x+4?
• Why is the enthalpy of formation of oxygen zero?
• What is the electron configuration for oxygen?
• What is the purpose of an ogive?
• What is earth's lower mantle made of?
• How do you simplify ##7\times ( 4^ { 3} - 6) \div 2##?
• If ##r = (23*5)/(x+7)##, what is ##r^2##?
• What is half of 2 to the 6th power?
• What does it mean if a solid is malleable?
• What's the difference between jump and removable discontinuity?
• What are some examples of minerals that occur as elements instead of compounds?
• What are plant like protists?
• How can I write a noble gas shorthand?
• Why do hurricanes form over warm water?
• Why is the Newton's second law called the equation law?
• What is the perimeter of a rectangle with length 15 cm and width 4 cm? and?
• Why does NH3 act as Lewis base?
• How do you solve for y in ##Ax - By = C##?
• Why is oceanography important?
• How did Americans react to Jay's Treaty?
• Why do we use the disodium salt of EDTA but not its tetrasodium salt in complexometric titration?
• How do you evaluate ##arcsin(sqrt 3/2)##?
• Why is allusion used? What effect does it have on a reader?
• How do stomata help conserve water?
• How do you write ##3^2=9## in logarithmic form?
• What is ##x## in this equation: ##(x+6)/5 = 9/5 - 2(x-3)##?
• On the pH scale, which numbers indicate a basic solution? An acidic solution? Why?
• What are the 22 skull bones?
• What is the difference between emigration and immigration?
• 2-methylheptane , octane and 2,2,4-trimethylpentane in order of increasing boiling point?
• Whats the difference between species richness and species evenness?
• Point T(3, −8) is reflected across the x-axis. Which statements about T' are true?
• Why is rate law important?
• What is the square root of 37 in simplest radical form?
• What is the mass of 20.0 mL of nitrogen gas?
• What is the difference between a planetary nebula and a normal nebula?
• The star Procyon B has a surface temperature of 7500°C and a low absolute brightness. What type of star is it?
• How does current change for resistors in series?
• What is the derivative of ##cot^2(x)##?
• What is the difference between an isotope and a radioisotope?
• What is a trophic level?
• Sheila can ride her bicycle 6000 meters in 15 minutes. How far can she ride her bicycle in 2 minutes?
• What is the difference between relative and interrogative pronouns?
• Between which two consecutive integers is the square root of 42?
• How does shivering relate to atp hydrolysis?
• What is the relationship between population size and growth rate?
• What are some differences and similarities between the three plate boundaries: divergent, convergent; and transform?
• What are common mistakes students make with neurulation?
• How do you factor ##x^6-7x^3-8##?
• What is the empirical formula for magnesium hydroxide (milk of magnesia)?
• What is the difference between Arrhenius, Bronsted-Lowry and Lewis acids and bases? How can you tell the difference?
• What is the electron configuration, orbital diagram, and noble gas notation of potassium?
• How do you convert 2.7 meters per second to feet per minute?
• What is the relationship between the solar nebula and the solar system?
• The circumference of a great circle of a sphere is ##8pi## meters. What is the surface area of the sphere?
• Who won more battles in the American Revolution? Who won the war?
• What is concrete diction? Also, can you include some examples?
• Why is carbon important in the chemistry of life?
• What is the volume of a square pyramid with base sides 10 cm long and a height of 6 cm?
• What is the element with symbol Na?
• Is the word "fight" a noun? And what is a verb? I think it is but I'm not sure. I've looked at a couple websites with lists of nouns, but it's not on there.
• How do guard cells of a leaf help to maintain homeostasis in a plant?
• What does an apostrophe in a name mean? Examples: D'Artagnan - The Three Musketeers and F'lar - Dragonflight?
• What are cells that help protect the body from disease called? Which chamber receives blood from the body?
• What does the word "forestall" mean?
• What is the difference between the R-Squared and adjusted R-Squared when running a regression analysis?
• How do you write the verbal phrase given: x/4- 17?
• Suppose you connect a battery to a small light bulb with a single wire. What will happen?
• What are blastomeres?
• What raw materials are used in light dependent reactions?
• How do neurons communicate with other cells?
• What is the equilibrium constant for the weak acid KHP?
• What is the future progressive tense of the verb, "photograph"?
• An isosceles triangle has congruent sides of 20 cm. The base is 10 cm. What is the height of the triangle?
• What is the role of a cladogram?
• What is the GCF of 15 and 100?
• What are the periodic table trends for ionic and atomic radius?
• How can I calculate the percent composition of magnesium oxide?
• What is a suspension?
• How do you write a direct variation equation that passes through the point (5,-6)?
• The base of a triangle of a given area varies inversely as the height. A triangle has a base of 18cm and a height of 10cm. How do you find the height of a triangle of equal area and with base 15cm?
• What are the three main functions of integumentary system?
• Hoe can i understand if there is a pi bond in ##POCl_3##?
• If an object has a mass of 50 kg, what is its weight?
• What percentage of the earth is made up of water?
• What is the "keystone" bone of facial bones?
• What is terrace farming?
• How do you factor ##36x^2 - 25##?
• In a dilation math problem, what does "about the origin" mean?
• "Point of views" or "points of view" - Which is correct?
• Whats's the name of repeating monomeric units of Dacron and Neoprene?
• What is the converse of the Alternate Interior Angles Theorem?
• How do you write an equation in standard form given (10, 6) m=7?
• What does the Constitution say is the 'supreme law of the land'?
• What is calculus?
• Which cycle is most important to life, the water cycle, the carbon-oxygen cycle, or the nitrogen cycle?
• The area of a square is ##289## ##cm^2##. What is the side length?
• What is the difference between precession and nutation in terms of the earth's rotation?
• What is the difference between concentrated and dilute acid?
• What is the mass of one mole of water?
• How does the size of the sun compare to earth?
• What is enthalpy?
• Based on the principle of nomenclature, can we call H2S hydrogen sulfide instead of hydrosulfic acid?
• How can water be both renewable and a non-renewable resource?
• Name two advantages of relative density over density in measurement?
• The length of a rectangle is 3 times its width. If the perimeter of the rectangle is 48 inches, how do you find the length?
• What is the sum of ##1/6, 2/3,## and ##1/4##?
• A sample of water contains x% of ##"D"_2"O"##. Its molecular weight is ##19##. The value of x is what?
• A, B and C are collinear points and B is in between points A and C. If AB = 15, AC= 47, what is the length of BC?
• How do you find the exact value of ##sin60°cos30° + sin30°cos60°##?
• How does the structure of rough endoplasmic reticulum relate to its function?
• What is a simple definition of the carbon cycle?
• What characteristic helps identify nonfoliated metamorphic rocks?
• If 525 mL of 0.80 M HCl solution is neutralized with 315 mL of Sr(OH)2 solution what is the molarity of the Sr(OH)2? __ HCl + __ Sr(OH)2 _x0001_ __ SrCl2 + __ H2O
• What is the surface area formula for a sphere?
• What is a true rib, a false rib, and a floating rib? Why are floating ribs easily broken?
• What is an acid-base reaction?
• Why is naming compounds important?
• How does kinetic molecular theory relate to absolute zero?
• What are anomers?
• How does prophase I differ from prophase II in meiosis?
• What does low protein in blood mean?
• What is considered the trigger that started WW1?
• What is the difference between Intermediate Value Theorem and the Extreme Value Theorem?
• How do you find the integral of ##(t)sec^2(2t)dt##?
• How did the 13th, 14th, and 15th amendments affect slavery after the Civil War?
• What was Roosevelt's goal in creating the SEC and FDIC?
• What is the valence electron configuration for neon?
• What is the structural formula of cyclobutane?
• What is the meaning of hepatic flexure?
• What is ##(3pi)/8 ## radians in degrees?
• How much energy is required to melt a 20.0 lb bag of ice ar 0 C? a pond of ice is equivalent to 0.4536 kg. The delta Hfusion of ice is + 6.009 KJ/mol.
• What does positive and negative connotation mean?
• What is the complementary angle to 42°?
• How do you find a vertical asymptote for y = sec(x)?
• Which word in the sentence is a predicate nominative? Could you explain why?
• How do you write ##-0.875## as a fraction?
• How fast does earth rotate near the equator?
• What element is represented by ##[Ar]4s^2 3d^10 4p^1##?
• What is the area of a circle with circumference of 6.28?
• What is the derivative of ##y=arctan(4x)##?
• What is the past tense of "sing"?
• What are sunspots?
• 2KNO3 ----> 2KNO2 + O2 if 25g of KNO3 is heated, find: (1) What is the mass of KNO2 formed? (2) What is the volume of O2 formed at RTP?
• What was the name of the case from the 1800s that established the policy of "separate but equal"?
• Why is ionic bonding referred to as non directional?
• How do you find diameter of a circle with circumference?
• How do you write a numerical or variable expression for each quantity: two dozen eggs?
• What does velocity mean in motions graphs?
• Your height is 5 feet and l 5/8 inches. Your friend's height is 5.6 feet. Who is taller?
• How can a balanced chemical equation be used to write an equilibrium-constant expression?
• What does it mean when a calculated chi-squared value equals 0 (zero)?
• Explain.(i)Pentane is distilled off first when a liquid mixture containing pentane,heptane and nonane is heated.(ii)Hexane floats on water. (iii) cyclopentane may be easily separated from an aqueous salt solution?
• What is the biggest muscle in the human body?
• How does the organization of genetic material differ in prokaryotic and eukaryotic organisms?
• What is (5 square root of 5) squared?
• How would you calculate the formal charge of NH3?
• How do you evaluate ##tan(pi/6)##?
• What is the definition of polyhedron?
• What causes gas pressure (in terms of kinetic theory)?
• What is longitude ?
• How do you graph quadratic functions ##y=x^2-4x+7##?
• What is meteorology?
• What is the integral of ##xe^x## from -infinity to 0?
• How can I draw metallic bonds?
• If 1 light year is 63,240 AU (astronomical units), how far in AUs is Alpha Centauri, which is 4.32 light years from the Earth?
• How do you verify ##tanA=secA/cscA##?
• How do you find the derivative of ##y =sqrt(x)## using the definition of derivative?
• What kind of tissue is arrector pili muscle?
• What is chromatin?
• How do you put the equation ##2y-3x=5## into slope-intercept form, and graph the equation?
• What is the difference between isobutane and n-butane ?
• What is the hybridization of so2?
• How is astronomy related to biology?
• What is the difference between an equation written in function notation and one that is not?
• Some CuSO4.5H20 was heated at 120C with the following results: Mass of crucible=10.00g Mass of crucible + CuSO4.5H20=14.98g Mass of crucible + recidue=13.54g. How many molecules of water of crystalization were lost? (H=1,Cu=63.5,O=16,S=32)
• What is the stronger base: ammonia or ethoxide ion?
• Why is flammability a chemical property?
• What are examples of prepositions used in sentences?
• Is -2 real number, rational number, whole number, Integer, Irrational number?
• How do you express 12 km/L in miles/gal?
• What is the function of viral nucleic acid?
• What are some examples of rhetorical questions from the Bible?
• What is an example of diction?
• Throughout Earth's recorded history what is the hottest and the coldest temperature ever recorded? What parts of the Earth had these temperatures?
• A satellite is placed in equatorial orbit above Mars, which has a radius of 3397km and a mass M=6.4x10^23 kg. The mission of the satellite is to observe the Martian climate from an altitude of 488km. What is the orbital period of the satellite?
• Does the VSEPR theory predict that XeF2 is linear?
• How do sound waves transfer energy?
• What is the variance of the standard normal distribution?
• How do you calculate the half life of carbon 14?
• What are the x-intercepts of ##y=x^2+2x-15##?
• The simplest formula for butane is C2H5 and its molecular mass is about 60. What is the molecular formula of butane?
• What is the difference between gravitational force and weight?
• What is a possible explicit rule for the nth term of the sequence: ##25, 15, 5, -5, -15##?
• What is the bond polarity of h2s?
• What is the hyphen notation of the three isotopes of hydrogen?
• If a DNA strand has the nucleotide sequence of CCGAGATTG, what is the nucleotide sequence of the complementary strand?
• How is the acceleration of a moving object determined?
• How respiration in plants different from that in animals?
• How does tuberculosis affect the lungs? How is tuberculosis spread?
• What's the final temperature in bomb calorimeter if 1.785 grams of benzoic acid (##HC7H5O2##) is combusted in a calorimeter with heat capacity of 5.02 Kj/C and initial temperature of 24.62 degree Celsius? Heat of combustion for benzoic acid is -26.42 Kj/g.
• How do you create a boxplot in Excel?
• 8 cups equals how many quarts?
• Which is the best definition of value? Question 1 options: The intensity or concentration of pigment in a color. The tactile surface quality of an object. The lightness or darkness of a color or surface. The use of expensive materials
• How do you differentiate between bases and alkali?
• What is an advantage of using an electromagnet rather than a regular magnet?
• How do you verify ##cosx/(1-tanx) + sinx/(1-cotx) = sinx + cosx##?
• How does water affect the rock cycle?
• What is cytology?
• How do I use scientific notation to express a light-year in miles?
• What are comets?
• How do you find Tan^-1(-1) without a calculator?
• How do you create a story to match the number sentence ##8=15-7##?
• How would you characterize the American political landscape during the Gilded Age?
• Discuss sacrificial protection and give two everyday examples where this method is used?
• Explain the global significance of the War of the Spanish Succession?
• How do you graph ##y= tan (2x)##?
• What impact did Baron de Montesquieu have on the creation of the Constitution?
• Why are viruses considered parasites?
• What are 3 main functions of the muscular system?
• What was significant about the Civil Rights Act of 1957? What did it accomplish?
• What is the molecular formula of ethanoic acid?
• What does like dissolves like mean?
• Write equations to show how 2,3-dimethylbutane may be prepared from each of the following compounds. (i)an alkene (ii)A grignard reagent (iii)a haloalkane (iv)a sodium alkanoate?
• If an aerosol can contained 350mL of CFC gas at a pressure of 4.4 atm , what volume would this gas occupy at 1.0atm?
• How does osmotic pressure affect solute concentration?
• Where is indirect characterization about Romeo found in the story?
• What effect did Theodora, wife of Emperor Justinian, have on the Byzantine Empire?
• Why do falling objects reach a terminal velocity?
• How does weathering affect the Grand Canyon?
• How do acids and bases affect the hydrogen ion concentration of a solution?
• Balance the following reaction: NH4NO3 + Na3PO4 --> (NH4)3PO4 + NaNO3 If we started with 30.0 grams of ammonium nitrate and 50.0 grams of sodium phosphate, which reactant is limiting? What is the mass of each product that can be formed? What mass of t...
• How does a solution differ from a colloid?
• What is the formula for magnesium carbonate?
• How do you find the 6 trig functions of 330 degrees?
• What is the outer core made of?
• What are some examples of nucleic acids?
• How many inches is in 5 yards?
• What is selective permeability?
• What is the diameter of the earth's moon?
• What is the vertex form of the parabola whose standard form equation is ##y=5x^2-30x+49##?
• How to evaluate lim x->1 [1/(1-x) - 3/(1-x^3)] and lim x->1 (x^n-1)/(x-1)?
• What is equilibrium in biology?
• How fast does the sun move around the galaxy center?
• What did Rutherford's gold-foil experiment tell about the atom?
• How do you verify ##(1+cosx)/(1-cosx) - (1-cosx)/(1+cosx)=4cotxcscx##?
• What is the mathematical expression of Newton's law of gravitation?
• What is the square root of 0.0081?
• What inner planets experience a greenhouse effect? What causes the greenhouse effect to take place?
• The resistence of a conductor 5 ohm-what does it means?
• What is the function of golgi bodies, endoplasmic reticulum and mitochondria?
• How do the five senses maintain homeostasis?
• Why are real and/or nominal interest rates positive?
• How do the lungs function in the circulatory system?
• What are the reciprocal identities of trigonometric functions?
• How does transformation in prokaryotic cells compare to transformation in eukaryotic cells?
• The mass of cobalt-60 in a sample is found to have decreased from 0.800g to 0.200g in a period of 10.5 years. From this information, what is the half-life of cobalt?
• 6.2 atm is equal to how many torr?
• In what kingdom are anthropods found?
• What is the difference between the coronary and the pulmonary artery? Where are these located?
• What are the criteria for a total internal reflection to occur?
• How do you find scale factor?
• How many more protons does sodium have than oxygen?
• What do you do with the given R in the ideal gas law equation? Do you multiply it to your missing variable at the end once you find it? Like what purpose does it serve?
• How is the conservation of momentum related to Newton's third law?
• How do you draw a converging lens ray diagram?
• How far away is Neptune's moon, Triton, from earth and how long would it take to get there?
• What is the difference between external and internal fertilization?
• What is the limiting reagent between a reaction of HCl(aq) and NaOH(aq)?
• What is phosphate's electron configuration?
• How did the United States support the Allies with economic aid while staying out of the fighting during WWII?
• What is a regular quadrilateral called?
• How do exothermic reactions occur?
• What is the mass, in grams, of 1.24 mol of water, ##H_2O##?
• What is an objective noun and a possessive noun?
• How was earth created considering a scientific mindset?
• Jim pays $75 per month for a cell phone plan plus $0.30 per minute beyond the first 1000 minutes. His bill was $105.60 last month. How many minutes did he use?
• How does ionization energy change on the periodic table?
• How do you find the 6 trigonometric functions for 225 degrees?
• How many significant digits are in ##50.00##?
• How is allocative efficiency achieved in pure competition?
• How far is Pluto from the sun in km?
• What's the difference between a control, constant, dependent and an independent variable?
• What is an example of an energy transformation from electrical to sound energy?
• What characteristic of a metallic bond explains some of the properties of metals?
• What kind of star is the sun and what is the composition of the sun?
• How many atoms are in 22 grams of copper metal??
• What is a factor of 100?
• What are autosomes?
• What is the difference between speed and velocity and acceleration?
• Who were the Bolsheviks and what did they believe in?
• What is the mechanism of Friedel-Crafts alkylation?
• Which elements are found in each of the layers of the earth?
• In what year was Sputnik launched?
• How do you use the limit definition to prove a limit exists?
• What are the steps of binary fission?
• How many rectangular faces does a hexagonal pyramid have?
• What are factors affecting how fast a solid solute dissolves?
• What biomolecules are found in the cell membrane?
• What is the opposite and reciprocal of pi-3?
• Write the net ionic equation for the reaction that will occur ##HCl (aq) + CaSo3(s)##?
• An astronaut has a mass of 100 kg and has a weight of 370 N on Mars. What is the gravitational strength on Mars?
• How do you graph: ##y=3x^2-7?##
• What is the difference between a discrete uniform distribution and a continuous uniform distribution?
• Is the dehydration and hydration of cobalt(II) chloride (##"CoCl"_2##) reversible? Why?
• How do you find limits using a graph?
• How many yards are in a tenth of a mile?
• How long does it take for a star to form?
• What is the difference between nominal GDP and real GDP?
• How do astronomers define a light year?
• How do you find the center-radius form of the equation of the circle described and graph it. center (-2,0), radius 5?
• What is an epilogue?
• What is declarative memory?
• Can a scalar product of two vectors can be negative?
• A box with a square base and open top must have a volume of 32,000cm^3. How do you find the dimensions of the box that minimize the amount of material used?
• What is the mathematical formula for the F-statistic?
• How do you find the quotient of 15 divided by 5/6?
• What is the power series of ##f(x)= ln(5-x)##? What is it's radius of convergence?
• What is a meteor?
• What is the SI unit of electric field?
• How do you calculate the formal charge of ##Cl## in ##ClO^-## and ##ClO_3^-##?
• Why is fermentation so important under anaerobic conditions?
• What are some locations with temperate climate around the world?
• What is the alpha decay equation?
• Does the earth rotate around the sun or does the sun rotate around the earth?
• How do you express ##3/8## as a percent?
• How do you change 0.2 into a fraction?
• What is a loaded question?
• What was Thomas Malthus' theory on the limits of growth?
• What is a neuron?
• What is the Molecular, Ionic and net Ionic for Li2S+FeI-->LiI+FeS?
• Why was westward expansion such an important issue in the election of 1844?
• What is the difference between end rhyme and internal rhyme?
• How is the formula for the circumference of a circle derived?
• What is the ionic formula for calcium chloride?
• P1V1/TI = P2V2/T2 and PV=nRT what is the difference between them ?
• What happens during meiosis that doesn't occur during mitosis?
• The formula for the perimeter of a triangle is p=2L+2W what is the formula for W?
• Baileys rectangular dog pen for his Irish setter must have an area of 400 square feet. Also, the length must be 10 feet longer than the width. How do you find the dimensions of the pen?
• Why are cepheid variable stars important in our study of the Milky Way?
• What response is adrenaline responsible for?
• What is the difference between centromere, centrosome and centriole?
• How do you rewrite 10,000,000 as a power of ten?
• What is solute and solvent in orange juice?
• What are two examples of physical capital?
• What are some examples of net forces?
• How do I use a frequency distribution to find the class width?
• What is an example of an alliteration from "Julius Caesar," Act 1?
• How do trends in atomic radius relate to ionization energy?
• Why is the cell membrane described as semi-permeable?
• Is vinegar and baking soda a acid-base reaction? ##CH_3COOH## and ##NaHCO_3##
• How do you find the exponential function formula for the points (32,6) and (48,14)?
• Why is photosynthesis important for plants?
• How does Boyle's law relate to breathing?
• What is the visceral pericardium?
• What are double decomposition reactions?
• How long is an eon in years?
• The probability of drawing a green candy from a jar of 20 candies is 1/4. How many yellow candies should be added to the jar in order to reduce the probability to 1/6 ?
• The median is called a resistant measure, whereas the mean is a non-resistant measure. What's a resistant measure?
• Why is diffraction grating more accurate than double slits to measure the wavelength of light?
• ##/_1## and ##/_2## are supplementary angles. ##m/_1## is ##4y+7##, and ##m/_2## is ##9y+4##. What is ##m/_2##?
• What is the measure of an exterior angle of a dodecagon?
• Is a parallel circuit better than a series circuit?
• The density of balsa wood is about ##170## ##kg####/####m^3##. How do you convert it to ##g####/####cm^3##?
• If one mile equals 5,200 feet, how many feet are in 7 miles?
• Why is ether used as the solvent during Grignard reactions?
• How do you convert 0.75 as a fraction?
• What is an isotonic solution?
• How does length of a string affect its frequency? Thanks
• A panda eats about 30 kg of bamboo per day. About how many pounds of bamboo will the panda eat in 6 weeks?
• Define solubility and write a note on its relation with temperature ?
• A volume of saline solution weighed 25.6 g at 4 degrees C. An equal volume of water at the same temperature weighed 24.5 g. what is the density of the saline solution?
• What compound makes up 60 percent of your body?
• Why does and electron have negative charge and proton have positive while neutron neutral?
• What type of mixture can be separated by sublimation ?
• What is an animal that eats other animals?
• What is irony?
• What is the balanced ionic equation for the reaction of IO3-(aq) with I- in the acidic solution, H+ ?
• How many grams of lead chromate are formed from the reaction of 15.0mL of 0.40M potassium chromate with 15mL of lead nitrate? What was the limitng reagent from the equation?
• A 4 g air-rifle pellets is fired into a target block attached to a glider. The block and glider total mass is 0.5 kg. The target slides along the track a distance 1.455 m. The track is inclined 10 degree. Determine pellet velocity from air rifle?
• A close box made of wood 1cm thick has ecteenal dimensions 20cm by 15cm by10 cm.find the mass of the empty box.if one cubid decimeter of wood weight 1kg?
• How do you find integral of ##((secxtanx)/(secx-1))dx##?
• What type of wave is a sound wave?
• What do animal organ systems include?
• What is the object of a gerund?
• Why is radial symmetry uncommon for land animals?
• How do you evaluate the integral of ##cscx dx## between the interval ##[pi/2,pi]##?
• In the equation ##R + 14 = 39##, what is the value of ##R##?
• Why do atoms emit or absorb light of specific wavelengths?
• Is an antinode caused by constructive or destructive interference?
• Is addition of sodium in to water is a chemical change?
• What is the meaning of Anhydrous, Hydrous, and Undissociated?
• How is coal formed?
• How do you find the linear approximation of ##(1.999)^4## ?
• What the mass percent of aluminum in ##Al(OH)_3##?
• A sphere with a radius of 1.7cm has a surface area of? a) ##3.6*10^-3 m^2## b) 36 m c) 3.66mm
• The molecular formula for glucose is C6H12O6. What would the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions be?
• What is the lithosphere and why is it important?
• What was FDR's "court packing plan" and why was it such a serious mistake?
• How do beats help determine whether two sound waves are of the same frequency?
• How do you find two consecutive integers whose sum is 73?
• The sixth-graders at Meadowbrook Middle School are going on a field trip. The 325 students and adults will ride in school buses. Each bus holds 48 people. How many school buses are needed?
• What are the stages of the menstrual cycle in a human female, using diagrams and captions?
• How do kepler's laws of planetary motion relate to newton's law of universal gravitation?
• What is chromatin and what are chromosomes?
• What are atomic size trends within transition metals?
• Why do earthquakes occur along the plate boundaries?
• A marker is 0.13 meters long. What is the length in millimeters?
• What is the difference between supplementary angles and a linear pair?
• The radius of a circle is 5.5 cm. What is the circumference in meters?
• How can I write the formula for potassium bromide?
• Find the mass in grams of one molecule of NO2 ; you must express your answer in grams?...
• How does the shielding effect affect atomic radius?
• Of the 112 students in the marching band, 35 were in the drum section. What is the ratio of drummers to other musicians in the band?
• How will you prove the formula ##cos(A-B)=cosAcosB+sinAsinB## using formula of vector product of two vectors?
• What are molecular compound properties?
• What is the function of microtubules in the cell?
• How can you simplify sin(2x)cos(2x)?
• How do you find the square root of 23?
• How do I find the partial sum of an arithmetic sequence?
• If 22.3 grams of solid lead(II) oxide reacts with 34.06 grams of ammonia gas (trihydrogen nitride), the resulting products are lead metal, nitrogen gas, and water vapor. How many grams of lead metal are produced?
• Pepsi puts 355 ml of pop in a can. How many drops is this?
• What is the shape of SF4 (including bond angles)?
• Do you capitalize the word coming after a semicolon in a sentence?
• "Absolute Zero" is what temperature on the Celsius and Fahrenheit scales respectively?
• What metalloids are in the periodic table?
• What is the purpose of chiasmus?
• What is the difference between an internal and an external circuit?
• What is the hybridization of the central iodine atom in I3−?
• What macromolecules make up the cell membrane?
• What is the difference between a condensed structural formula and a structural formula?
• What are prime factors of 38?
• What is Proust's law of constant composition?
• What are the monomers for carbohydrates, proteins, lipids, and nucleic acids?
• How is a prepared slide different from a wet mount on a microscope?
• Your blood has a density of 1.05 g/mL. How many grams of blood would you lose if you donated 1.00 pint?
• How many quarts are in 12 cups?
• What is the acronym for the electromagnetic spectrum and how can I remember it?
• How is the formation of coal, oil and natural gas similar and different?
• Are the jugular vein and carotid artery present on both sides of the neck, or is one on the left side and the other on the right?
• How do you find the relative extrema for ##f(x) =2x- 3x^(2/3) +2## on the interval [-1,3]?
• What was the Social Gospel movement?
• What is the square root of 89?
• How do you calculate the formal charge of O3?
• Why does Mercury have only a thin atmosphere?
• What is the color of White blood cells?
• What does lead(ii) oxide mean?
• Which future president led the Rough Riders during the Spanish-American War?
• Angie and her friends ate ##3/4## of a pizza. Her brother Joe ate ##2/3## of what was left. How much of the original pizza did Joe eat?
• How would you convert a repeating decimal like 1.27 or 0.6 into a fraction?
• How do you solve ## |x+4|+3=17##?
• What are the oxidation numbers of the elements in the nitrite ion?
• A point on the terminal side of an angle theta is given to be (1/4, 1/6). How do you find the exact value of the six trig functions of theta?
• How did the middle colonies get their name?
• How do you find the average rate of change of a function over an interval?
• How would you make "fish" plural possessive?
• What are some organelles plant cells have that animal cells do not?
• A plane flying horizontally at an altitude of 1 mi and speed of 500mi/hr passes directly over a radar station. How do you find the rate at which the distance from the plane to the station is increasing when it is 2 miles away from the station?
• What does the "15w40" stand for?
• How do you find the multiplier for the rate of exponential decay?
• What is the difference between an equiangular polygon, an equilateral polygon, and a regular polygon? Provide an example of each.
• How do you find the de Broglie wavelength of an electron?
• What does pH measure?
• What is an example of a metaphor about homeless people that shows empathy and sympathizes with them?
• What is the average human reaction time?
• What is neutralization reaction?
• How do you write 75% as a fraction?
• What happens when you mix baking soda and vinegar? Would it be a chemical or physical reaction? A) it flows out of the top, it is physical B) it does not show any difference, physical C) the mixture flows out, chemical D) none of the above Do great!
• What is an example of an ecological niche?
• A certain length of wire when vibrated with another sonometer wire produced 2 beats per second for both the lengths ##122 cm## and ##120 cm## of this second sonometer wire and it's tension is same in both the occasions. What is the frequency of first wire?
• The acidic form of bromothymol blue (pKa = 7.0) is yellow, and its basic form is blue. What colours will this indicator be at pH = 5, 7 and 10 respectively? a)yellow, green and blue b blue, green and yellow c blue, blue and blue d yellow, yellow and blue
• How do you evaluate the inverse function by sketching a unit circle, locating the correct angle, and evaluating the ordered pair on the circle for: ##tan^-1 (0)## and ##csc^-1 (2)##?
• Assuming an efficiency of 42.40%, calculate the actual yield of magnesium nitrate formed from 113.8 g of magnesium and excess copper(II) nitrate. How do I solve?
• Air is cooled from room temperature 25 C to 100 K what is the temperature change in K?
• Check my work please. Give the nuclear symbol for isotopes of silicon for which A=29?
• Structurally, how does a polysaccharide differ from a polypeptide?
• How does seafloor spreading occur?
• Why is only one hydrogen atom acidic in acetic acid, but all 3 hydrogen atoms in phosphoric acid are ionizable?
• What is a rain shadow?
• What are the three main steps of facilitated diffusion?
• Is ethylamine a Bronsted-Lowry base?
• What is a radical of 136?
• Where does cellular respiration occur in the mitochondria?
• What is the leading theory on how the moon formed? Are there any other theories? Does this theory explain why other planets in our solar might have satellites too? Or is it different for each planet?
• In racemic mixture, why are both enantiomers of compound present in equal amounts?
• How do you calculate formal charge from an equation?
• In the sentence, "I'm cleaning my room," Cleaning is the verb, my is the possessive adjective. Which is the subject and why?
• A 50.0 mL sample of phosphoric acid, H3PO4, is titrated with 42.50 mL of 0.250 M NaOH. What is the molarity of the acid? H3PO4 + 3NaOH = Na3PO4 + 3HOH
• What is the derivative of ##y=sec^2(2x)##?
• What is ionization; in relation to acids?
• Two complementary angles have measures of ##2x+5°## and ##3x-10°##. What is the measure of each of the angles?
• What is the difference between aryl and alkyl phenyl?
• How many moons does Saturn have? Which is the largest?
• How do you convert 45°C to Fahrenheit?
• Given the right trapezoid calculate angle ##theta## and the area of triangle ##hat(EAD)##, provided ##EA=4, AB=BC=CD=DA=2, AB_|_EC##?
• What units of measurement are used for the combined gas law?
• How do you determine the concavity of a quadratic function?
• What is the greatest common factor of ##20x^4## and ##6x^3##?
• What is difference between (1) Anion & Anode (2) Cation & Cathode?
• A rectangle is inscribed in an equilateral triangle so that one side of the rectangle lies on the base of the triangle. How do I find the maximum area of the rectangle when the triangle has side length of 10?
• What is protoplasm in biology?
• What is an exponent and exponential notation?
• How do covalent compounds differ from ionic compounds?
• Draw Lewis structure ,state the molecular geometry and state whether they are polar or nonpolar .. H2CO PCl3 NO2^- .?
• What is the difference between Thrust and Force?
• The population density of Montana is 6.699 people per square mile. What is the population density per square mile of Montana rounded to the nearest whole number?
• What are the major types of faults and under which type of stress is each most likely to occur?
• What's the difference between isothermal process, adiabatic process, and isovolumetric process?
• Why is geothermal energy considered a renewable resource?
• The record high January temperature in Austin, Texas, is 90°F. The record low January temperature is -2°F. What is the difference between the high and low temperatures?
• Why isn't ##Li_2CO_3## (lithium carbonate) soluble in water?
• What is a compound predicate?
• What are the two stages of photosynthesis?
• What is the percentage of cation in ammonium dichromate ?
• Is the number of questions asked during a 1-hr lecture a discrete or continuous variable?
• What layer is between the oceanic crust and the asthenosphere?
• How to find the moment of inertia of a solid cylinder about transverse (perpendicular) axis passing through its center?
• How do you find the domain and range of a natural log?
• How do you calculate the atomic mass of carbon?
• What proper nouns words start with "x"?
• Why does (or "do"?) Barium Oxide + Sulfuric Acid yield Ozone?
• How do you find the volume of a pyramid using integrals?
• How do you graph ##y=3x-4## using a table of values?
• Which characteristics of living things does a car have? How can the characteristics of living things be used to show that a car is not a living thing?
• What are guyots and atolls?
• What is sin(x) times sin(x)?
• What is the difference between fermentation and budding ?
• What are the 2 isomers of 2-bromobutane?
• What is a heart murmur? What are some common reasons that heart murmurs occur?
• What are examples of anagrams?
• Got these wrong on a Net Ionic Equation test. What's correct for the following? Na2SO4+CaCl2=CaSO4+Na2Cl2, CuSO4+NaCO3=CuCO3+NaSO4, KOH+HCl=KCl+H2O, Na2CO3+HCl=2NaCl+H2CO3, KOH+MgSO4=MgOH+KSO4, NaSO4+CuSO4=CuSO4+NaSO4, HCl+HCO3=HCl+HCO3,
• How many elements are there?
• How would one define sectionalism?
• Why is production possibility curve NOT a straight line?
• The perimeter of a rectangle is 36 meters. The length of the rectangle is 4 meters longer than the width. What is the length and width of the rectangle?
• How do ectothermic organisms regulate their body temperature?
• Which planet has the most moons?
• No how many ribs dose a young girl have? Do you form more ribs or lose ribs as you grown older?
• What is the difference between independent events and dependent events?
• A square box lid has an area of 40 square inches. What is the length of one side to the nearest tenth of an inch?
• What is the circumference of the sun in millimeters?
• What is the difference between electronegativity and electron affinity?
• What is the difference between a producer, secondary consumer, primary consumer, and tertiary consumer?
• Who was the youngest president when taking office?
• How do you find the critical value of z alpha /2 that corresponds to the given confidence level of 87%?
• What is the normal pulse rate for a women in each of the 1st, 2nd & 3rd trimesters of pregnancy?
• What is linear mass density?
• In the female reproductive system, what is the hymen?
• At 25 °C, the molar solubility of silver phosphate is ##1.8 × 10^-5## mol L-1. How do you calculate Ksp for this salt?
• Why is the Bronsted-Lowry definition of acids and bases more encompassing than the Arrhenius definition?
• What is 0.5% written as a fraction?
• What is a buffer?
• How can I solve radioactive half-life problems?
• How can Newton's first law be derived from Newton's second law?
• How do you write ##y= x^2-18x+52 into vertex form?
• What is a fjord and how were they formed?
• What are the raw materials of photosynthesis?
• How do you simplify ##sqrt(5)sqrt(15)##?
• If ##cos(50)=a##, then how do you express ##tan(130)## in terms of a?
• What is the difference between a discrete random variable and a continuous random variable?
• How does one calculate ##K_M## and ##v_max## from the Lineweaver-Burk (Double-Reciprocal) plot?
• The noble gas configuration for aluminum?
• The mass of a proton is ##1.67*10^(-27)## kg. What is the mass of a proton in picograms?
• What is the principle of superposition of waves?
• How does the tilt of Earth's axis affect how the sun's rays strike Earth?
• Who are the most famous astronomers? What are their major discoveries?
• What are the functional groups of carbohydrates, lipids, proteins, and nucleic acids?
• What is a relative frequency table and what is it used for?
• Why is Mercury the closest planet to the sun?
• 18 pounds of flour is $10. How much is one pound of flour?
• If my blood type is O positive, what kind of blood types did my parents have?
• How many liters of blood are in the human body? Is it different for males and females?
• How do you solve using the quadratic formula ##x^2-25=0##?
• What is the molecular, total ionic, and net ionic equation for the reaction of Bi(NO3)3 + BaS?
• What is the molality of a solution of 560 g of acetone, ##CH_3COCH_3##, in 620 g of water?
• What is the domain, kingdom, phylum, order, family and genus of these animals?
• Which part of the human male reproductive system has a function that is most similar to the fallopian tubes in the human female reproductive system?
• What is the order of the planets in terms of age from youngest to oldest?
• How can we get 1-methylcyclohexanol from cyclohexanone , by reduction using the reagent LiALH4 in H2O/H+ , I got cyclohexanol , then what should I do?
• What is the integral of the error function?
• Is potassium iodide an ionic or covalent compound?
• How to draw a lewis structure of carbon dioxide, CO2?
• What causes hydrostatic pressure in blood vessels?
• What is the medical term for a heart attack?
• How does heat energy affect the movement of water molecules?
• Which president started the Bull Moose Party?
• How many protons, neutrons, and electrons are in a neutral atom of sodium?
• The equatorial circumference of Earth is about ##4*10^4## kilometers. The equatorial circumference of Jupiter is about ##439,263.8## kilometers. About how many times greater is Jupiter‘s circumference than Earth’s?
• What are the conjugate bases of the acids HF and HClO ?
• What levels of organization include abiotic factors?
• What is the gram formula mass of ##KMnO_4##?
• What is the distance of pluto to earth in AU?
• How do you solve the system of equations ##x+y=8##, ##x-y=4## by graphing?
• How do you graph ##x-y=7## by plotting points?
• Given ##H = x^2 + 8##, what is ##H^-1##?
• What is the structure of L(+) Glucose and L(-) Glucose? What does +, -, and L tell you?
• How do you do square root of 98 divided by square root of 18?
• What is the solution set of the equation ##x/5 + x/2 =14##?
• Who started the protests that led to the May Fourth Movement?
• What are complex carbohydrates also known as?
• What are the accessory sexual organs of the male reproductive system?
• What is 3.5 as a fraction?
• Why does ##|x| < 0## have no solution?
• Why does ice float on water?
• What are the units for k in first, second, and third order reactions?
• Why does secondary succession occur faster than primary succession?
• Are the electrons in a coordinate covalent bond donated by both the bonded atoms?
• Kinked-demand curve model justify the ''stickiness'' of prices in oligopolistic marekt ? Explain and examine.
• What is the square root of 125/5?
• Why do people say English is the hardest language to learn?
• How do you write 1/6 as a decimal?
• Determine the pH of a .22-M ##NaF## solution at ##25^@"C"##? The ##K_a## of ##HF## is ##3.5xx10^(-5)##
• What year was Abraham Lincoln elected president?
• 39 is 5% of what number?
• What is the empirical formula for the compound P4O6?
• How do you find the rate of change of y with respect to x?
• Does ##54/8## have an equivalent fraction with a denominator or ##9##? If so, what is it?
• What is the maximum number of pi bonds that can exist in a given pair of atoms?
• What is the relationship between the second law of thermodynamics and entropy?
• I don't understand the concept of hydrates; A 2.78g sample of hydrated FeSO4 was heated to remove all the water of the hydration. The mass of the anhydrous FeSO4 was 1.52g. Calculate the number of water molecules associated with each unit of FeSO4?
• How do you prove ##cosh(2x) = cosh²x + sinh²x##?
• Why is acceleration measured in meters / seconds squared?
• What were traditional views that led people to disapprove of a woman's right to vote?
• How do you simplify ##4 sqrt (625)##?
• How do you calculate buffer pH for polyprotic acids?
• How do you rationalize the denominator and simplify ##sqrt35 /sqrt55##?
• How does the egg cell and the sperm cell fuse together to form a zygote?
• What is CRISPR gene?
• How was the parsec derived?
• Which one gives an acidic pH in aqueous solution ? 1- NaCl 2-NaHCO3 3-Ca3(PO4)2 4-Nh4Cl 5-CH3COOK
• What vsepr shapes are polar?
• What is a placebo?
• Can two acute angles be vertical, adjacent, complementary, or supplementary?
• How do you find the z-score for sample mean M = 90 for a sample of n = 4?
• For the equation ##-4y=8x##, what is the constant of variation?
• What major event marked the end of the Precambrian era?
• Why did Daniel Shays try to attack a federal building that held weapons?
• How does kinetic molecular theory explain the Charles' law?
• What is tissue, an organ and an organ system? What is an example of each?
• What is 20 degrees celsius in fahrenheit?
• What is the substrate and product for the enzyme Lipase?
• If I had 256 fluid ounces of juice how many half gallons would I have?
• between which to values is the square root of 65?
• What is delta G?
• What are some examples of autosomes?
• What is the conjugate acid of ClO4-?
• How many obtuse angles does a triangle have?
• Are all unicellular organisms haploid? If not, how do we know a cell is haploid or diploid?
• Who was Mansa Musa? Why is he important?
• How much 2% glucose solution can be made from 50.0 mL of 35% glucose solution?
• A jewelry box contains two gold hoop earrings and two silver hoop earrings. You randomly choose two earrings. What is the probability that both are silver hoop earrings?
• The sum to infinity of a geometric series is 32. The sum of the first four terms is 30 and all the terms are positive. What's the difference between the sum to infinity and the sum of the first eight terms?
• What is 66% as a fraction in simplest form?
• What happened as a result of the Opium War?
• What is the past and past participle of the word "show"?
• What is the molecular weight of H2SO4?
• How do you verify ##(sin^2x - cos^2x)/(sinx + cosx)=sinx-cosx##?
• How do you simplify ##sqrt(44)##?
• How is the confidence interval formula for the slope similar to other confidence intervals that we have calculated?
• What is a binary acid and how do you name them?
• Because gravity on is about one-third of that on Earth, could you infer that Mars has more mass than Earth?
• How does Newton's third law work when you walk?
• What is the isomer, monomer, and polymer for carbohydrates?
• What are the three psychosexual stages?
• What is the function of the integumentary system?
• A substance Q conducts electricity both when solidand molten. What is Q?
• How would you define density?
• Given that Ka for HBrO is 2.8 × 10-9 at 25 °C, what is the value of Kb for BrO– at 25 °C? Given that Kb for (CH3)2NH is 5.4 × 10-4 at 25 °C, what is the value of Ka for (CH3)2NH2 at 25 °C?
• The average height of five men is 68 inches. If one man is 70 inches tall and three others have an average of 67 inches, the height of the fifth man, in inches, is? a) 68 b)69 c) 70 d) 71
• Difference between magma and lava
• How do you calculate concentration of ions in a solution?
• How do I find the directrix of a hyperbola?
• Write the correct chemical formula to distinguish between?..... calcium sulfide and calcium hydrogen sulfide
• In ocean water, is salt a solvent or a solute?
• What is a mole and why are moles used?
• What was the significance of the Second Battle of the Marne?
• What are the different types and uses of telescopes?
• What were the results of the Battle of Saratoga?
• What did the 14th Amendment do? How did it attempt to protect African Americans?
• What is the molecular geometry of BCl3? Draw its VSEPR and Lewis structure.
• How do you Use the trapezoidal rule with four equal subdivisions to approximate a definite integral?
• A perfect cube was found to have a mass of 16.2 g . If the density of aluminum is 2.7 g/cm what is the length of each side of aluminum?
• How do specific heat capacity and thermal conductivity differ?
• Why is cos(0) = 1?
• How does gas exerts pressure on its container?
• A metal plate weighing 200g is balanced in mid air by throwing 40 balls per second vertically upward from below.After collision ball rebounds with the same speed.What is the speed with which balls strike the plate.(mass of each ball-200g)?
• How long is an eon?
• How can atomic emission spectra be useful?
• Why is latent heat called hidden energy?
• How do you round 0.79 to the nearest tenth?
• What is the formula for calcium sulfate?
• What is the definition of a covalent compound?
• Why it is important that many identical plasma cells are produced?
• What was a result of the Battle of Coral Sea?
• How can the distance formula be derived from the pythagorean theorem?
• How can opportunity cost be zero?
• How do you graph ##y=2x+1## using a table?
• What is the electron configuration for a phosphorous anion with a charge of ##-2##?
• Why is the reactivity series of metals important?
• How do you find the greatest common factor of 54, 27?
• How many miles are covered in a 20 kilometer race?
• Why is a rhombus not necessarily a regular polygon?
• What does the weak force do?
• What are the differences between cilia and pili?
• What are the factors of 23? Is 23 prime or composite?
• What is the standard form of the equation of a circle with center (-3,3) and tangent to the line y=1?
• What are the characteristics of life?
• Novocaine, which is used by dentists as local anaesthetic, is a weak base with Kb = 8.91 x 10-6. Blood has a pH of 7.4. What is the ratio of concentrations of novocaine to its conjugate acid in the blood stream?
• What is an asteroid? Where are most located?
• At the Holiday Valley Ski Resort, skis cost $16 to rent and snowboards cost $19. If 28 peopie rented on a certain day and the resort brought in $478, how many skis and snowboards were rented?
• Why do your ears ''pop'' as you drive up a mountain?
• Why is amide protonated on oxygen rather then in nitrogen ??
• Is parathormone an anterior pituitary hormone?
• What is aphasia?
• If lemonade costs $0.52 per pint, what is the cost per cup?
• A 1000-watt microwave oven takes 60 seconds to heat a bowl of soup. How many joules of energy does it use?
• How do you find the vertex and intercepts for ##y = (x-5)^2 +2##?
• Dogs have 78 chromosomes in their diploid cells. How many chromosomes are in their haploid cells?
• Is the term "buffered aspirin" used correctly?
• How do you solve for y: ##2x + y = 8## , ##2x - y = 8##?
• What is a cresol? and what are the different types of cresol?
• What is the structural and functional unit of the kidney?
• Is hydrolysis exothermic or endothermic?
• What is the difference between a definite and indefinite integral?
• How do you write 0.416 [6 is the repeating decimal] as a fraction? 2. 1.27 [27 is the repeating decimal] 3. 0.148 [ 148 is the repeating decimal]?
• What is the past tense of the word "draw"?
• What is the pH of the equivalence point solution in the titration of 25.00 mL of 0.100 M CH3COOH (pKa = 4.76) with 0.125 M NaOH solution?
• What is absolute threshold?
• What is the number of dots in the electron dot symbol of nitrogen?
• An acid-base titration is performed but some base that splashed onto the sides of the flask is not rinsed down prior to the endpoint measurement. Will the calculated molarity of the acid sample be erroneously high or low, and why?
• What two simple machines make a screw?
• How do vacuoles help maintain homeostasis?
• Is the hypothalamus in the Temporal Lobe?
• If Sr 90 undergoes beta decay, then what is the resulting element and atomic weight of the product after the beta decay has occurred?
• What is imprinting?
• What is surface tension?
• How do you evaluate ##arcsin (sin (5pi/4))##?
• What is the law of conservation of mass in mathematical terms?
• Does the nitrate ion have one long ##N¬O## bond and two short ##N¬O## bonds?
• How do you prove ##(1 - tanx) / (1 + tanx) = (1 - sin2x) / (cos2x)##?
• How do you factor ##2x^2-x-21##?
• At a restaurant, you can choose from 2 appetizers, 4 main courses, and 3 desserts. How many different meals, each consisting of one appetizer, one main course, and one dessert, can be created?
• Calculate the number of grams of copper(I) oxide reacted and the number of grams of copper and sulfur dioxide produced when 20 g of copper(I) sulfide is reacted?
• How do you tell whether a function is even, odd or neither?
• Gasoline has a density of ##"0.73 g/cm"^3##. How many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1303 kg?
• What type of heterotroph eats animals
• What is an example of a homologous and a vestigial structure? How are these evidence for evolution?
• What is benzene used for today?
• How can you tell a gas is a halogen?
• For what value of ##k## will ##x+k/x## have a relative maximum at ##x=2##?
• When 8.4g of NaHCO3 is added to a solution of CH3COOH weighing 20g. It is observed that 4.4 g of CO2 is released into atmosphere and a residue is left behind. Calculate the mass of the residue by applying law of conservation of mass?
• Joy needs to buy three blouses for work. She can buy two for $29. How much will she pay for three blouses?
• What does the frontal lobe of the brain do?
• The density of mercury metal is 13.6 g/mL. What is the mass of 3.55 mL of the metal?
• What is an example of a song that has antimetabole in it?
• What is the difference between who and whom?
• 2B5H9(l)+ 12 O2(g)= 5B2O3(s) + 9H2O(l) Calculate the kilojoules of heat released per gram of the compound reacted with oxygen. The standard enthalpy of formations of B5H9(l), B2O3(s), and H2O(l) are 73.2, -1271.94, and -285.83 kJ/mol, respectively ?
• What is Pangea?
• How do you find the slope of the tangent to the curve ##y^3x+y^2x^2=6## at ##(2,1)##?
• I need some English help please. What is simple subject and simple predicate in the sentences below?
• What is a mosaic, and where were mosaics found in the Byzantine Empire?
• How do you solve ##Log 2 + log(4x – 1) = 3##?
• How would you explain an ethyl group?
• How do you do flip chair conformations?
• What is the subordinate clause of the following sentence? is it a noun, adjective, or adverb clause?: The bull that tried charging at us is back in the pen.
• For an X-linked recessive trait, 9% of the females in the population are affected. What percent of the males would be affected? What percentage of the population is represented by the carriers?
• Is a turtle really a turtle without its shell?
• What is the distance between Saturn and the sun?
• What's 1.4 as a fraction?
• Why can't Sp3 hybrid orbitals can form pi bonds?
• How do you graph ##r=2+4sintheta## on a graphing utility?
• How can I draw all possible stereoisomers for 2-chloro-3-hexanol?
• What are the cations and anions for the formula CuBr2?
• Chlorofluorocarbons (CFCs) damage the ozone layer. Where do these chemicals come from?
• Is "is" a verb? If not, what is the verb in this sentence: "Although the school is quite small, it has a lovely field for students to play in."?
• What is the equation to convert ethanol to propanoic acid ? And what conditions needed for the conversion ?
• How do you evaluate ##ln (1/e)##?
• What is the function of the atrioventricular valves of the heart?
• What is a STANDING WAVE? How is an echo formed?
• What is assimilation?
• What is cytokinesis and when does it occur?
• What element has the symbol Ag?
• For the circle ##(x-1)^2 + (y+1)^2 = 20## in the ##xy##-plane, what is the coordinates of the center, the radius, and the area?
• What is assonance?
• What is an operon, and how does it regulate gene expression?
• How do you convert 7.5 x 10^4 j into kilojoules?
• How do innate and environmental factors interact?
• What is the average of 10, 18, and 23?
• What is the chemical equation for the reaction of potassium oxide with sulphuric acid?
• What was expected of the colonists through the new Quartering Act passed in 1774 as part of the Coercive Acts (Intolerable Acts)?
• How do wavelengths define light?
• What is a prime number between 70 and 80?
• How do nuclear reactions change the identity of an atom?
• What kind of boundary is formed when two lithospheric plates slide past each other?
• What is the Wilmot Proviso?
• How do you find carrying capacity on a graph?
• How is the earth's rotation different from Venus'?
• What is the net ionic equation of the reaction of MgSO4 with Pb(NO3)2?
• cobalt (II) sulfate reacts with lead (II) nitrate farming cobalt (II) nitrate and lead (II) sulfate
• How does atomic size vary in the periodic table?
• What are coefficients?
• What was Nixon's "Southern strategy"?
• Who discovered planet Mercury?
• How many autosomes do human cells contain?
• How do you graph ##x=4## by plotting points?
• What is the empirical formula for nitroglycerin?
• Is alcohol classified as a Stimulant, Depressant, Hallucinogen or Narcotic?
• Calculate the density of nitrogen gas, in grams per liter, at STP?
• If the index of refraction of water is 1.33, what is the speed of light in water?
• What is the ionic bond formation of Beryllium and Oxygen?
• What is the difference between simple present and present tense?
• How to write an equation relating distance to force? With a table and graph?
• What channels in the presynaptic neuron open up in response to an action potential?
• A pail with 40 washers in it weighs 500 grams. The same pail with 20 washers in it weighs 420 grams. How much does the pail weigh?
• Why do Uranus and Neptune appear to be blue?
• A regular polygon has interior angles of 168°. How many sides does it have?
• You have 47 mL of a 0.500 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water should you add?
• What are the two main types of chemical bonds?
• Hybridization of carbon in ##C_2H_2##?
• How do you convert 849 yards to mile?
• How does salt change the specific heat capacity of water?
• The ordered pair (1.5, 6) is a solution of direct variation, how do you write the equation of direct variation? Represents inverse variation. Represents direct variation. Represents neither.?
• What is a constellation is and what determines when it is visible to us?
• Which of these is not an example of an isotonic muscle contraction: tying your shoe, lifting a glass of water to your mouth, pushing against a wall, or writing a letter?
• Do plant cells contain mitochondria?
• How do you find the related acute angle?
• When is Lac operon turned on and When is it turned off?
• When iron(II) sulfate dissolves in water, does iron(II) form a complex ion with water surrounding it?
• Calculate the %Br in a 1.0234g mixture of AgCl and AgBr if the mixture contains 0.6635g of Ag?
• How can I find the percent compositions of Mg(NO3)2?
• What is the empirical formula of C2H4O2?
• What is the chemical formula for sugar?
• How would you define second ionization energy?
• What are the six functions of bone, and what is hemopoiesis?
• How to factor ##4x^4+81##?
• Does SO2 have a resonance structure?
• How do you calculate the vapor pressure of ethanol?
• How do you prove: ##secx - cosx = sinx tanx##?
• How do you solve ## ln (x – 2) + ln (x + 2) = ln 5##?
• Is BBr3 a lewis acid or base?
• State the difference between a physical change and a chemical change, and list three indications that a chemical change has occurred. Which indication is most suggestive of a chemical reaction?
• What is the sum of all the oxidation numbers in any compound?
• What is the difference between point-slope form and slope intercept form?
• How does human population growth affect the extinction of other species?
• How are strong nuclear force and weak nuclear force alike?
• What is the mode for the sample 3, 2, 5, 7, 3, 2, 6, 4, 3, 7, 2, 4, 3, 5, 7, 5, 1, 2, 5, 3,7 ?
• Predict the relative atomic radii of the three magnesium isotopes, giving your reasons?
• How do you graph ##y=sqrt(x-3)##?
• A beaker containing water is placed on a spring scale and reading is W. Now a stone of weight D is hung by means of massless string and lowered in water without touching the bottom of beaker. What is the new reading on spring?
• What is telophase ii?
• How do you graph the secant, cosecant, and cotangent functions?
• How do you calculate molar solubility and ksp?
• What is the chemical formula of tin(IV) oxide?
• What does the atomic number tell us?
• Do epinephrine and norepinephrine exist in the body as a racemic mixture? How does the chirality of the compound affect the receptors? Do s-norepinephrine and r-norepinephrine function the same in the human body?
• In raising a 5000N piano with a pulley system, the movers note that for every 2m of rope pulled down, the piano rises 0.2m. What is the effort force required to lift the piano?
• How do you multiply radical 2 times radical 2?
• Why do cells generally have to be small in size? What will the cell do in response to an increase in size?
• How can I determine if and when a molecule has or needs a resonance structure?
• Why is classification important in biology?
• 1/2 yard is how many feet?
• How many 325 mg ibuprofen tablets can be produced from 2.50 kg of ibuprofen?
• How do you calculate kinetic energy in simple harmonic motion-pendulums?
• Why does the double bond in alkenes make them more reactive than alkanes, which are single-bonded?
• What is the LCM of ##31z^3##, ##93z^2##?
• Why are antigens bad or harmful? Why are they helpful or important?
• What is the perimeter of a parallelogram with sides ##11/12## and ##4/9##?
• How do you calculate the weight of ethylenediamine (en) used? (note: 30% en solution (15mL) was neutralised with 5M HCl (2.5mL), density of en also given to aid in calculation :0.90g/mL)
• What is the oxidation state of copper in CuSO4?
• How many grams are in a pound?
• How do you calculate serial dilutions?
• Why is a square always a rhombus, but a rhombus is not always a square?
• How do you find the exact values of tan pi/ 8 using the half angle formula?
• Calculate the number of moles of CH3OH in 5.00L of 2.00m solution if the density of the solution is .950 g/mL?
• How do you convert 3/8 into a decimal and percent?
• Does a negative accounting profit imply a negative or zero economic profit?
• How do you find the six trigonometric functions of 45 degrees?
• What is the integral of ##ln(sqrt(x))##?
• How many miles are there in ##3.44 xx 10^8" "## inches?
• How does the coulomb law differ from newton's law of universal gravitation?
• Is the male urethra longer or shorter than the female urethra?
• What is the covalent compound formula for phosphoric acid?
• What are some examples of conduction?
• Is "summer" a common or proper noun and why?
• How do you find the value of ##tan45## using the half angle identity?
• Where does aldehyde functional group occur in organic compounds?
• A rectangular square pyramid has a base whose area is 25 sq. in. A section parallel to the base and 3.18 in. above it has an area of 4 sq. in. Find the ratio of the volume of the frustum to the volume of the pyramid?. (ans: 117:125)
• What are centrioles, centrosomes and basal body in microfilaments?
• What are some examples of aquatic biomes?
• Why are valence electrons the most important to the chemical properties of the atom?
• Are cotangent and negative tangent graphs the same?
• How many teaspoons are equivalent to one cup?
• A book weighs ##6.0## ##N##. If the acceleration of gravity is ##9.8## ##m####/####s^2##, what is the mass of the book in kilograms?
• The resultant of two forces one double the other in magnitude is perpendicular to the smaller of the two forces. the angle b/w the two forces is? a. 120 b/ 60 c/ 90
• What is the formula for methanol?
• What is a polygon with equal sides but unequal angles? What is a polygon with unequal sides but equal angles?
• How does a price ceiling affect the equilibrium price?
• How do you use the definition of continuity and the properties of limits to show that the function ##g(x) = sqrt(-x^2 + 8*x - 15)## is continuous on the interval [3,5]?
• What is a comma splice?
• How do valence electrons determine chemical reactivity?
• What is the difference between phagocytosis and pinocytosis?
• What is the prime meridian?
• The Eiffel Tower in Paris stands 300.0 m tall on a day of average temperature, 22.0°C. How much taller is the steel tower on a hot summer day (T = 40°C) in centimeters? (αsteel = 11 x 10-6 °C-1)
• What are some examples of mixtures?
• Is it 'hanged out' or 'hung out' (past tense)?
• How do you convert Benzaldehyde to Benzophenone in exactly two steps?
• What is the difference between denaturation and coagulation?
• If the density of aluminum is 2.7 g/ml then what is the volume of 8.1 g?
• How does r squared related to standard deviation?
• What is the difference between the prefrontal cortex and frontal lobe?
• Is the difference between an OLS regression and a GLS regression qualitative or quantitative?
• What does the endocrine system do?
• The bee hummingbird is the smallest bird. It can weigh as little as 2 grams. The largest bird, the ostrich, can weigh as much as 150 kilograms. What percent of the weight of a bee hummingbird is the weight of an ostrich?
• Who formed the Free-Soil Party and why?
• Balancing redox equation? ##K_2CrO_4+Na_2SO_3+HCl->KCl+Na_2SO_4+CrCl_3+H_2O##
• Why is the carbon tetrachloride molecule nonpolar and yet the bonds in it are polar?
• How do you write the heterozygous dominant genotype?
• In the phrase, "a flock of geese," is flock a collective noun? Is geese a common noun? Or is the common noun "a flock of geese"?
• How does the function and structure of the chromosomes in prokaryotes differ from eukaryotes?
• What type of galaxy is the Milky Way classified as?
• What does dissociate in water mean and how does it affect acids and bases?
• What is the structural formula of CaCO3?
• What were the goals of the Space Shuttle program?
• What are the monomers and polymers of proteins?
• What are the layers of the earth made of?
• The titration of an impure sample of KHP found that 36.0 mL 0.100 M NaOH was required to react completely with 0.765 g of sample. What is the percentage of KHP in this sample?
• How do I find the x-intercepts of the graph of ##y=x^2-11x+18##?
• Why is ATC a U-shaped curve?
• A bowl of fruit is on the table. It contains six apples, two oranges, and four bananas. Daniel and Sean come home from school and randomly grab one fruit each. What is the probability that both grab oranges?
• How do I us the Limit definition of derivative on ##f(x)=e^x##?
• How does the function of mrna differ from dna?
• An arrow is shot at a 30 degree angle with a velocity of 39m/s. How high will it go? What horizontal distance will it travel?
• How many white dwarf stars are there in the Milky Way Galaxy? How old are the white dwarf stars in our galaxy?
• Let R be the region in the first quadrant bounded by the graph of ##f(x) =sqrt(1+e^-x), the line x=2 and the x-axis, how do you use the trapezoidal rule with n=4 to approx the area?
• What is the difference between a polypeptide and a protein?
• What are adjacent angles?
• What was the Nullification Crisis?
• What is latitude?
• How can I find chiral centers in ring structures?
• Is it possible to rearrange PV=nRT into the form y=mx+b?
• How would you balance the following equation: aluminum iodide and chlorine gas react to form aluminum chloride and iodine gas?
• What are sex-linked genes?
• How many constitutional isomers does C3H8O have?
• How do scientist know how many planets are in the universe?
• How many right angles are in an octagon?
• A cell that consists of an Ni, NiSO4(aq) half-cell, an Al, AlCl3(aq) half-cell, and a salt bridge. For Ni2+(aq) + 2e– → Ni at 25C, E = –0.28 V. For Al3+ (aq) + 3e– → Al at 25C, E = –1.66 V.?
• Why is the melting point of Argon so much lower than any of the Period 3 elements?
• Is the word "impact" a countable or uncountable noun?
• Why isn't a frog a reptile?
• What is an equivalent fraction of 5/8?
• How do you use dimensional analysis to figure out how many seconds are in 4 years?
• What is kidney anatomy?
• Why is DNA translation important?
• Assign oxidation numbers to the following compounds, elements or ion a) AI
• How can I draw the structures of the two enantiomers of cysteine?
• How do you prove ##sin (x + y + z) = sin x cos y cos z + cos x sin y cos z + cos x cos y sin z - sin x sin y sin z##?
• Area of a sector of a circle?
• What is the end behavior of the sine function?
• How do you find the distance between point A(-3, 5) and point B(4, -6) in the coordinate plane?
• How come cells don't just continue to grow larger as organisms grow larger? Why do cells divide?
• What does acceleration mean in motions graphs?
• How do coal beds form?
• What is the area of an equilateral triangle, with apothem of 6 inches in length?
• How did the Texas War for Independence and the Mexican-American War help the United States achieve Manifest Destiny?
• What are the capital of Switzerland and Austria?
• A patient's ECG recording shows a consistent pattern of two P waves followed by a normal QRS complex and T wave. What is the cause for this abnormal wave pattern?
• What is the singular possessive and plural possessive of waitress?
• What is the electron geometry of xenon tetrafluoride XeF4?
• A quasar consumes 1 solar mass of material per year, converting 15 percent of it directly into energy. What is the quasar's luminosity, in solar units?
• Is a Lewis dot diagram the same as a Lewis structure?
• How are oxidation and reduction reactions linked?
• Why is partial pressure important?
• What does jurisdiction mean ?
• How do you bisect an obtuse angle?
• What are conservative and non-conservative forces?
• What is continuity at a point?
• What does a horizontal line mean in a speed-time graph?
• How do you write ##3.3.3.3.y## as an exponential form?
• What does plural noun mean?
• How do you find the integral of ##int sec^2(5x)dx##?
• How do you write an equation with X-intercept of 3 and y-intercept of 2?
• How do I know when the Fnet in y direction is 0, any hint i have a test tomorrow?
• How do you find the explicit formula and calculate term 20 for 3, 9 , 27, 81, 243?
• The speed of sound in air is about 340 m/s. What is the wavelength of a sound wave with a frequency of 220 Hz?
• What is a phospholipid?
• If we remove all of the queens from a 52-card deck, how many unique four card combinations can we have?
• How do you convert 125% to a fraction in lowest terms?
• What is pseudo force?
• How would you draw a six-carbon alkyne that can exist as a diastereomer?
• How do you verify ##(tanx/(1+cosx)) + (sinx/(1-cosx))=cotx + secxcscx##?
• How much does a 78.0 kg student weigh on earth (g = 9.81##m/s^2##) and on the moon (g = 1.60##m/s^2##)?
• What is an adverb of affirmation and negation? Please include examples.
• How far away is Jupiter from Saturn?
• What event led to the Neolithic Revolution?
• What is the ground-state electron configuration for carbon?
• Why honey is more viscous than water??
• With the assumption that the ammonium ion is formed from the reaction between ammonia and hydrogen io ,describe the formation of bond between these two species and state the type of bond formed?
• How can you predict a single replacement reaction?
• Why might a galvanic cell go dead?
• What is parallax error in chemistry?
• How do you locate the center of a dilation?
• What are the spectator ions in the reaction between aqueous hydroiodic acid and aqueous lithium hydroxide?
• How do extraneous solutions arise from radical equations?
• Why is the distance between the Sun and Earth important in Astronomy?
• A trapezoid has an area of 144 square meters and an altitude of 4 meters. Its two bases have a ratio of 4:5. What is the perimeter of the trapezoid?
• How long can endospores remain viable?
• How do atmospheric pressure and elevation affect boiling point?
• What is contour farming and how does this help control soil erosion?
• What is the IUPAC name for the compound ##"FeS"##?
• When should I use a dash vs. use a semicolon vs. a colon? Give example please!
• How do you graph ## ln(x-2)##?
• What is the bond polarity of CH4?
• What does "crude" mean?
• Explain how mono-, di- and polysaccharides differ.
• What are examples of infinitive verbs?
• How is sharecropping similar to slavery?
• How would you make a Bohr diagram for NaCl?
• When a substance can be Amphiprotic explain with examples?
• "If a polygon has seven sides, then it is a heptagon." What is the hypothesis in this conditional statement?
• What is a centromere?
• How does frictional force of the pulley affect the acceleration of the system?
• What is the molar mass of lead (II) chloride (##PbCl_2##)?
• Why is NH3 an Arrhenius base?
• What is least common multiple of 3, 4, 6, and 8?
• What is gravimetric analysis (with examples)?
• What are some common characteristics of intrusive igneous rocks?
• A pair of dice is rolled. A possible event is rolling a sum that is a multiple of 5. What is the probability of the complement of this event?
• Given the reaction: Na2S2O3 + AgBr ----> NaBr + Na3[Ag(S2O3)2] A. How many moles of Na2S2O3 are needed to react completely with 42.7 g of AgBr? B. What is the mass of NaBr that will be produced from 42.7 g of AgBr?
• What is the simplified radical form of ##sqrt(96)##?
• What are standing waves?
• What religious belief allowed the Zhou dynasty to rule?
• Which elements have similar chemical and physical properties to Sodium (Na)?
• How many times does the Moon rotate on its axis during one trip around Earth?
• What are the cofunction identities and reflection properties for trigonometric functions?
• How does the greenhouse effect work? On which planet is it the strongest?
• What is a spring tide? What is a neap tide?
• What is microeconomics?
• Why can't monosaccharides be hydrolyzed?
• What is the square root of 3 divided by 3?
• How do you convert 19 inches to feet?
• What is the perfect square factor of 80?
• How is transduction different from conjugation?
• 35.0ml of hydrogen gas at STP weighs how many grams?
• What is a prologue? I have to write a prologue about Shakespeare's Romeo and Juliet.
• How well do you think Nixon's Vietnamization strategy worked?
• What are some examples of euphemism? I need some examples of euphemism used at school, at home and at work.
• The surface area of an entire cube is 96 square cm If the length and width of each side are equal, what the length of one side of the cube?
• What is the chemical formula for iron(II) hydroxide?
• What are nucleotides?
• How do you find slope and y-intercept of ##y=6##?
• What is the difference between 's and s' in plural possessive nouns?
• What is the formula weight of silver chromate ##(Ag_2CrO_4)## in amu?
• What was the purpose of the Gallipoli campaign?
• What does a declarative sentence always end in?
• A triangular sail has a perimeter of 25 m. Side a is 2 m shorter than twice side b, and side c is 3 m longer than side b. How do you find the length of each side?
• Why is the cell theory important?
• In SDS-PAGE, the dye front runs off the bottom of the gel. What happens to the gel? The dye front has no relevance to estimating molecular weight,The highest molecular weight proteins run off the gel, the lowest run off, or estimate on diff gel to get mw
• What are the sequence of events in cellular respiration?
• How do you find the derivative of ##y=sin2x-2sinx##?
• What is the chemical formula of baking soda?
• What is the lateral area of a cylinder if the height ##h## is ##9## centimeters and the volume ##V## is ##36pi## cubic centimeters?
• What are the properties of a rhombus?
• How do solutes affect the boiling point?
• What is the function of ATP?
• What is Sputnik?
• HIll buffer is a solution of 0.4 M K2HPO4, made up in .08M KCl. We need 500 mL for the week. How many grams of K2HPO4 (MW=174.17g) were need to make this volume of buffer? My wkr: 1mole/174.1g x 1L/.4moles = 1L/69.67g 69.67g/1L x.5L = 34.83g Rightorwrong?
• What is the density of CO gas if 0.196 g occupies a volume of 100 mL?
• How do you write the compound inequality as an absolute value inequality: 1.3 ≤ h ≤ 1.5?
• What happens at a divergent plate boundary?
• What is the orbital hybridization in pf5?
• A triangular sail has a base length of 2.5 meters. The area of the sail is 3.75 square meters. How tall is the sail?
• What is the antiderivative of ##ln(x)^2+x##?
• Why are dehydration synthesis reactions important?
• What is the definition of a fossil fuel?
• What is the difference between crescent and gibbous?
• How many molecules are present in 1.0 kg of hydrogen gas?
• What is the definition of the word/ phrase "karyotic" in the words, "prokaryotic cells" and "Eukaryotic cells"?
• What does alpha acetal linkage mean?
• What is the oxidation state of chromium in CrCl3?
• How can I convert percent concentration to molarity?
• What did the Blackshirts, Schutzstaffel, and Brownshirts have in common?
• Why did Gandhi organize the Salt March?
• What is the metric unit of measuring the volume of liquids?
• How can I draw Fischer projections from wedge and dash?
• How many grams of NaCl are produced when 80.0 grams of O2 are produced? 2 NaClO3 ---> 2 NaCl + 3 O2
• How does DNA polymerase work?
• What is the function of the epiglottis?
• What was the yearly salary of the first president of the United States?
• What was "wage slavery" in company towns?
• Why is the cytoskeleton the most important organelle?
• How do I translate chromium Oxide into formula? Please explain a little more in depth as I know chromium has multiple charges.
• How does Newton's second law relate to inertia?
• What is an earthquake's magnitude?
• How do you simplify square root of 24 divided by 2?
• How can a haploid cell undergo mitosis?
• What is the isotope notation for lithium?
• How do you find the derivative of ##y=ln(5x)##?
• How can I draw the Lewis structure for CO?
• What functions do the respiratory and cardiovascular system have in common?
• How long does it take a 100.00g sample of As-81 to decay to 6.25g?
• How are chloroplasts and chlorophyll used in plants?
• How do you calculate the energy of a photon of electromagnetic radiation?
• Use the Rydberg equation to calculate the wavelength in nanometers of the spectral line for which n2=6 and n1=3. Would we be expected to see the light corresponding to spectral line?
• Why viroids and virusoids do not cause diseases in animals ?
• How do you find the Least common multiple of 27, 18?
• What is ##ln e^7## without using a calculator?
• Why is the Smooth Endoplasmic Reticulum smooth?
• How do you find the square root of 33?
• What is the definition of an irregular quadrilateral?
• What happens to the number of protons in the nucleus as you go across a period? Use this to explain the trends in atomic radius and ionization energy across a period.
• Five classifications of bone type and example of each type?
• What is the percent decrease from 20 to 11?
• What are some examples of prokaryotic and eukaryotic organisms?
• What does the cytoplasm do in a plant cell?
• How far is the moon in miles from earth?
• How did the invention of the cotton gin in 1793 affect the use of slave labor in the South?
• How are absolute temperature and volume of a gas related?
• How was Japanese feudalism similar to European feudalism?
• How far is Jupiter from the moon in miles?
• In the ideal gas equation, which term is always constant?
• How can I calculate the partial pressure of a dry gas?
• How do you graph ##y<=x^2+8x+16##?
• In a word equasion, eg Copper (II) Flouride, what does the "(II)" mean?
• CuO(s)+HCl(aq) equation and net ionic equation ?
• What is the value of 4 cubed?
• What are some examples of speed of sound?
• How do you convert 36 cm/sec to mph?
• What is purging? why mostly purging with nitrogen is preffered? and how purging is done in industries?
• How do you determine whether the function ##f(x) = xe^-x## is concave up or concave down and its intervals?
• Why is water potential of pure water zero?
• How does the formation of coal differ from that of natural gas and oil?
• What is ethology?
• What is polarity?
• How do you calculate the moment of inertia of a beam?
• How do you graph the function ##y=5x-x^2##?
• State the Pauli exclusion principle in your own words. Explain why the Pauli exclusion principle is important to the understanding of the periodic table?
• At ##20°C##, the density of copper is ##8.9## ##g####/####cm^3##. The density of platinum is ##21.4## ##g####/####cm^3##. What does this tell you about how the atoms are "packed" in each material?
• What is the complex conjugate of ##sqrt(-13)##?
• How can recessive traits skip generations?
• How do you find three consecutive odd integers whose sum is 69?
• How can the enthalpy change be determined?
• Is temperature a discrete or continuous variable?
• Calculate the mass of 500 atoms of iron (fe)?
• What are examples of physical properties? Chemical properties?
• How does thermal energy affect the three states of matter?
• What is a satellite?
• A stop sign has the shape of a regular octagon. What is the sum of the interior angles of a stop sign?
• What are some examples of monomers and polymers?
• How many full moons will occur this year?
• If two parallel lines cut by a transversal, then each pair of corresponding angles are supplementary?
• What causes moon phases? Why is there only one full moon a month?
• How does the integumentary system help prevent dehydration?
• What is the learned behavior of a Black Widow Spider?
• What are the oxidation numbers in the compound H2SO4?
• What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl? The Ksp of PbCl2 is 1.6 × 10-5?
• How to calculate the effective nuclear charge of the 1s electrons in helium ?
• How do you name alkenes with alcohols?
• What is the importance of a histogram?
• What is deforestation?
• Silver iodide, ##AgI##, has a Ksp value of ##8.3 xx 10^-17##. What is the solubility of ##AgI##, in mol/L?
• How does the sun produce energy?
• How do you simplify the square root of 1.96 without a calculator?
• The volume of a cube-shaped box is ##27^5## cubic millimeters. What is the length of one side of the box?
• What is mitosis?
• How many different ways can you choose 3 vowels out of the box, if there are 5 vowels in the box and order does not matter?
• How do you solve by factoring and using the principle of zero products ##36r^2=16##?
• How does the structure of proteins differ from the structure of carbohydrates?
• How would you do a two-column proof of the Corollary to the Triangle Sum Theorem: the acute angles of a right triangle are complementary, or m∠A + m∠B = 90°?
• Is tryptophan an aromatic amino acid?
• What is the inverse function of ## y=3x-4##?
• What is titration?
• What is the perimeter of triangle with vertices of ##(1,2) (3,-4)## and ##(-4,5)##?
• The sodium potassium pump uses (what) to pump (what) out of the cell and (what) into the cell?
• What is an example chemical energy practice problem?
• How do I determine the molecular shape of a molecule?
• ##F(x)=(m²-m+1)x+3## . Find ##m in RR## if the function is strictly increasing . Thank you very much . Sorry for bad English it is not my mother tongue . ?
• What is an example of kinetic energy in nature?
• What is an omnivore?
• How do you find the square root of 81/16?
• Why are molecules important?
• Is 92.3 repeating a rational number?
• What are class boundaries in statistics?
• Does uniform circular motion have constant acceleration?
• How did glasnost and perestroika contribute to the fall of the Soviet Union?
• How do you simplify without a calculator the ##sqrt(0.01)##?
• What divided by 6 equals 7?
• How can we determine whether a compound is oxidant or reductant by its molecular formula?
• What organs are located on the left side of your body below the rib cage?
• What are organisms that make their own food called?
• What do parentheses mean in chemical formulas?
• How can you find the slope of the line ##3x-5y=3##?
• How did the Tariff of 1816 highlight the nation's growing sectionalism?
• What is the difference between electric potential and electrostatic potential energy?
• What does magnesium do for the body?
• How many acute angles does a trapezoid have?
• What is the molecular shape of ICl2^-1 , NO2 & ICl4^-1?
• What's the integral of ##int [ ( secx ) / ( 1+ tanx ) ] ^2 dx##?
• What is potassium and iron combined?
• How many lone pairs of electrons are on the ##Xe## atom in ##XeF_6##? A) 0 B) 3 C) 2 D) 1
• Do diffusion and osmosis require energy?
• Why are alkyl groups hydrophobic?
• How do you convert 1.324 L to mL?
• What is the difference between animal cell vacuole and plant cell vacuole???
• Is a mirror's surface transparent, translucent, or opaque? How do you know?
• Blood types A, B, O, and AB have percentages 40%, 20%, 30% and 10%. If two individuals are chosen at random, assuming independence, how do you find probability that neither is of blood type A?
• What is an interrogative sentence?
• What is the bond used between zinc acetate? How to learn to write such formulas?
• What is ##E_"cell"^@## of the cell?
• How do you recognize a molecular compound from its formula?
• When was the U.S. Civil War and how long did it last?
• Find [H+] in an aqueous solution that is 0.50 M in NaNO2 and is 1.40 M in HNO2. For HNO2(aq), Ka = 4.5 × 10–4.?
• How does sunspot and solar flare activity affect the Electromagnetic (EM) Spectrum?
• What is the difference between an antigen and a pathogen?
• What is salutation ?
• How can you tell if a molecule is polar or not?
• What is thermochemistry?
• How to learn the valancies of the first 20 elements?
• What are the two types of carbohydrates, and in what form are they stored in the body?
• What is DMSO used for in a cell culture where KA" cells are grown and treated with either DMSO, cyclopamine, compound E or Compound E+cyclopamine to test the interaction between Notch and Shh signalling? See DOI: 10.1371/journal.pgen.1002762 , figure 7A
• How to use the alternate definition to find the derivative of ##f(x)=sqrt(x+3)## at x=1?
• How many liters is 3.75 kiloliters?
• What is NADH? What does it do and how and where is it formed?
• What is the median number for the numbers 4, 8, 10, 5, 9?
• How can I write nuclear equations for alpha decay?
• What is a barometer?
• Find the area of the yellow shaded area govern the larger pentagon side ##s=5.5## and area of the smaller pentagon (green) ##A_(pentagon) = 7.59 cm^2##?
• Why can a marginal cost curve be "U" shaped?
• If silver has a density of 10.5 ##"g/cm"^3## and gold has a density of 19.3 ##"g/cm"^3##, which would have the greater mass, 5 ##"cm"^3## of silver or 5 ##"cm"^3## of gold?
• How did the encomienda system affect the colonists?
• What bones make up the axial skeleton?
• Any important information about the element Gold (Au)? i.e. uses, characteristics, history, etc.
• A disk revolves in a horizontal plane at a steady speed of 3rev/s. A coin will remain on the disk if it is kept a distance of 2cm from the axis of rotation. What is the coefficient of friction between the coin and the disk?
• Ca element's exited state?
• How many meters are equivalent to 50 feet?
• How do you find the value of ##cot (pi/2)##?
• How are ionic bonds formed?
• What is the name of the central part of the atom?
• How do you find slope of the line perpendicular to the line y=-7?
• Given ##P(x) = -3x^2 - 4x +5##, what is ##P(-2)##?
• Are all calico cats female?
• Why are primers required in the DNA replication process?
• What is genetic equilibrium?
• Do strong acids completely dissociate in water?
• Write your question here...what is mole in Chemistry?
• How does the law of conservation of matter and energy relate to the cycles in nature?
• What is the definition of ageism?
• How are ionic bonds and van der Waals forces similar and different?
• What is a 8 sided shape called?
• What does average rate of change mean in calculus?
• How many covalent bonds can carbon form with other atoms?
• How many years older will you be 1.10 billion seconds be from now?
• Why is vinyl chloride is hydrolysed more slowly than ethyl chloride?
• A dart is thrown horizontally with an initial speed of 10m/s toward point P,the bull's eye on a dart board.It hits at point Q on the rim,vertically below P,0.19s later. What is the distance PQ? How far away from the dart board is the dart released?
• What type of tissue lines the blood vessels?
• What are the s, p, d, f blocks on the periodic table?
• Witch of the following is not true of exocytosis? A. Results in hormone secretion B. Does not require energy imput C. Allows waste matter to be expelled D. occurs at the plasma membrane
• What do quantitative and qualitative measurements mean in science?
• The radius of curvature of a spherical mirror is 30 cm. What is the focal length of the mirror?
• How long does it take for light to across the diameter of Earth's orbit around the sun?
• If measurements of a gas are 50L and 300 kilopascals and then the gas is measured a second time and found to be 75L, describe what had to happen to the pressure (if temperature remained constant). Include which law supports this observation?
• What functional groups are there in aspartame?
• A science beaker has a mass of .2400 kg, and a volume of 500 mL. What is the overall density of the science beaker?
• What is glutathione and its role in a cell?
• What are the empirical formulas for tetraphosphorous decaoxide (P4O10) and ethane (C2H6)?
• Why is ice less dense then liquid water? What is the significance of this property to the survival of living things in cold climates?
• 1.7 g of NaNO3 (Mr = 85) is dissolved in water to prepare 0.20 dm3 of solution. What is the concentration of the resulting solution in mol dm–3?
• In reduction reaction, the reduced atom gains one or more electrons. Why, then, is this reaction called reduction?
• What are compound proper nouns?
• What do the zeros of a function represent?
• What is a subsidy?
• How many acute angles can a scalene triangle have?
• Why is the index of refraction always greater than or equal to 1?
• How does crossing over affect evolution?
• How did Americans affect the end of World War I and its peace settlements?
• What is csc(180 degrees)?
• How is the line of best fit different from linear interpolation?
• How do I convert 3427 into scientific notation?
• The ion HCO3–(aq) can act as an acid or a base in water. (a) Write the reaction for it acting as a base. (b) Write the reaction for it acting as an acid. ?
• How human body temperature is maintained at normal value (37 degrees centigrade) when the atmospheric temperature rises as high as 45 degrees centigrade ?
• What is the function of DMEM? How does it help scientists culture cells?
• Which nations signed the Rush-Bagot Treaty?
• 4 less than a number ##n## is -15. What is ##n##?
• What is the bond polarity of CCL4?
• How do you calculate the magnitude of displacement?
• What is descent with modification?
• What is the sin of 30 degrees?
• 'Atoms of element X have 6 unpaired electrons. What could be element X?" The answer is chromium
• What is the definition of colloquial language?
• How is the number of neutrons in an atom calculated?
• How many protons are in the nucleus of an atom of oxygen?
• If the area of a right triangle is 15, what is its perimeter?
• How do homeotic genes regulate development in drosophila?
• Why is smooth muscle called involuntary?
• What is the difference between a parody, a spoof, and a satire?
• What is the width of a rectangular prism when the surface area is 208 square centimeters, and it has a height of 8 and a depth of 6?
• Is division of rational numbers associative?
• What is Ka in chemistry?
• What organs and tissues make up the integumentary system?
• What does an atomic number tell you about an element?
• How do plants reproduce asexually?
• What is the difference between the Pearson correlation coefficient and the Spearman correlation?
• Why are mole ratios central to stoichiometric calculations?
• What is the charge for all elements in Group 1A?
• What is 1230.932567 rounded to the nearest hundredths place?
• What is the volume of a square pyramid with edge 5 ft and height 5 ft?
• In the Great Compromise, what did small states and large states give up?
• What are stars made of? How are they born?
• Why are exothermic products more stable than reactants?
• What is the chemical formula of salt?
• In regression analysis, what does the F-value mean?
• How do catalysts affect collision theory?
• What is the molecular geometry of PBr5? Draw its VSEPR and Lewis structure.
• Where are blood cells made, and what is the purpose of red blood cells?
• What are examples of cost-push inflation?
• What is stellar equilibrium?
• Explain how the law of conservation of mass is the basis for all stoichiometry?
• What does Atom mean?
• Was prohibition in 1920's America successful?
• Use the converse of the triangle proportionality theorem to identify parallel lines in the figure.
• Solubility product of Hg2Cl2 at 25 C is ##1.2*10^-18 mol^3 dm^-9##. The concentration of ##Hg2+^2+ ions## (in M) in a 0.040 M NaCl (aq) sol. saturated with ##Hg2Cl2## at 25 C is?
• ICE table. How does one know if the x is positive or negative for the products and reactants? this question is contradicting what i thought because the x is negative in the reactants yet one reactant starts with zero concentration.
• What are examples of verisimilitude?
• How many natural satellites does the earth have? What are their names?
• What is the limit as x approaches infinity of ##cos(x)##?
• What do exponential growth and decay have in common?
• What is inductive effect?
• How can I draw the following esters: ethyl butanoate, pentyl propanoate, propyl 3-ethylhexanoate?
• Use Henry's law to determine the molar solubility of helium at a pressure of 1.5 atm and 25 ∘C. Henry’s law constant for helium gas in water at 25 ∘C is 3.70⋅10−4M/atm.?
• What is an example of a climax in a story/movie?
• At 20°C the vapor pressure of benzene (C6H6) is 75 torr, and that of toluene (C7H8) is 22 torr. Assume that benzene and toluene form an ideal solution. What is the composition in mole fractions of a solution that has a vapor pressure of 40. torr at 20°C?
• What was an advantage of Jimmy Carter in the 1976 presidential election?
• How to graph a parabola ##y=1/4x^2##?
• Are Aliens real? Is it possible that life on other planets is real and we (the people of Earth) just not know it?
• The ratio of forks to knives in Kim's kitchen drawer is 4 to 5. There are 16 forks in the drawer. of 3. The How many knives are there?
• How do you find the derivative of ##cos(pi x)##?
• How do you round 476 to the nearest hundred?
• How can I find the molecular formula from molar mass?
• How do you know which element is the most reactive in the periodic table?
• How do you find the decimal notation of a percent?
• What is the rock's age? A rock contains one-fourth of its original amount of potassium-40 The half-life of potassium-40 is 1.3 billion years?
• When CH3CHCH2 is passing through by HBr in the presence of organic peroxide, what's the name of the product?
• How can I convert Newman projection for the staggered and eclipsed conformations of 2-methylpentane for rotation about the ##C2-C3## bond to bond line notation?
• Struggling with this question on finding the surface area of hemisphere. The volume of the hemisphere is 250/3 π. Work out the exact total surface area of the solid hemisphere. Give the answer as a multiple of π?
• How many electrons does hydrogen have?
• Marsha, Josh, and Tyler are comparing how fast they can type. Marsha types 125 words in 7.5 minutes. Josh types 65 words in 3 minutes. Tyler types 400 words in 28 minutes. How do you order the students according to who can type the fastest?
• Why do geologists know so little about Precambrian history?
• What is the difference between a collective noun and a compound noun?
• What is the constant of variation in the circumference formula ##C = 2pir##?
• How do you create an exponential function y=ab^x given (21,200) and (23.392)?
• What is the empirical formula of caffeine?
• Who was an example of a muckraker?
• What is the covalent compound formula for Nitric Acid?
• Why is the rate determining step slow?
• How do you solve ## cos^2x = 3/4##?
• What prompted the Boston Massacre and the Boston Tea Party?
• How does an outlier affect the value of the standard deviation?
• What is the difference between the graph of a exponential growth function and an exponential decay function?
• What is the distance between earth and Mars in km?
• What is the abbreviated electron configuration of Sn?
• What is a sociopath?
• How do you use half angle formula to find ##sin 67.5##?
• What is the electron configuration of neon?
• How do you find the area of a rhombus given the diagonals?
• What is the continental rise?
• How do you graph the line given (2,4), undefined slope?
• Are there two brachial arteries in the body? Are there two brachiocephalic arteries in the body?
• How do I simplify ##sin 45 cos 15 + cos 45 sin 15 ## with the angles in degrees?
• What is the height of a cylinder with a volume of ##720pi## ##ft^3## and radius of ##6## ##ft##?
• Where is most of the DNA found in the cells of prokaryotic and eukaryotic organisms?
• How are compounds and mixtures different?
• What is a strong nuclear force and what is a weak nuclear force?
• How would you balance the following equation: K2SO3(aq)+MnCl2(aq)→MnSO3(s)+KCl(aq)?
• What is the difference between the pyramid of numbers, pyramid of biomass and pyramid of energy?
• What is the difference between a star, sun, planet and a moon?
• Who discovered DNA?
• What is the greatest common factor of 21 and 63?
• How do you find the integral of ##int (lnx / sqrt(x)) dx## from 0 to 1?
• How many sp2 and sp3 hybridized carbons are in naproxen?
• How do you calculate osmolarity from molarity?
• What is the GCF of 16, 24, and 32?
• What are 2 functions of the clitellum?
• Why are c4 plants more efficient than c3 plants at fixing carbon?
• How do you simplify ##(sec^2x) - (tan^2x)##?
• Why is ozone, ##O_3##, bent and not linear ?
• How do you write 140 as the product of its prime factors?
• What is the empirical formula of potassium chloride?
• Suzie and Scott drive together for American freight. One day Suzie averaged 54 mph and Scott average 58mph, but Scott drove for 3 more hours than Suzie. If together they drove 734 miles, then for how many hours did Scott drive?
• What is the Arrhenius acid that contains the bromite anion?
• How are monomers, polymers and macromolecules related?
• What was the major threat to the Habsburg Empire?
• Every natural number is positive?
• What is biochemistry?
• Is there a rule for punctuation with quotes? When does punctuation go inside or outside the quotation marks of the word it follows?
• How can I balance this equation? ___ AlBr3 + ____ K2SO4 ---> ____ KBr + ____ Al2(SO4)3
• What is the difference between Carbon 12, 13, and 14?
• In Bohr's model of the atom, where are the electrons and protons located?
• How many grams of solute are present in 50 mL of 0.360 M sodium chloride?
• What is the role of RNA polymerase in protein synthesis?
• The pH of 0.1 M HClO2 was measured to be 1.2, what is the value of pKa for chlorous acid?
• You are standing 40 meters from the base of the tree that is leaning 8° from the vertical away from you, the angle of elevation from your feet to the top of the tree is 20°50, what is the height of the tree?
• What is the oxidation number for all elements of ClO2-?
• How does a positive ion form?
• Density =gm/cc So , what is the meaning of cc??
• Is the fuel efficiency (in miles per gallon) of an automobile a discrete or continuous variable?
• How do you find the derivative of ##cotx##?
• How do you solve for y: ##2x – 3y = 6##?
• Is calcium oxide (CaO) an ionic compound or covalently bonded molecule?
• What is the net ionic equation that represents a neutralization reaction between H2SO4 and NaOH?
• What are some of Cinderella's character traits?
• What substance is produced by the ceruminous glands?
• During a lunar eclipse, what color is the moon?
• How do you convert 355 kJ to cal?
• Approximately how many Americans died during the Vietnam War?
• How do you find an equation of the tangent line to the curve at the given point if ##y = sec (x) - 2 cos (x)## and ##p=(pi/3, 1)##?
• What is a phrase in words for 42s?
• Jessica drew a circle divided into 8 equal parts. She shaded 6 of the parts. Which fraction is equivalent to the part of the circle that is shaded?
• How can I draw a perspective formula for ( S )-2-chlorobutane?
• In the figure, one end of a uniform beam of weight 420 N is hinged to a wall; the other end is supported by a wire that makes angles θ = 29° with both wall and beam. ?
• A sample of 0.0512 mol of iron(III) chloride, FeCl3, was dissolved in water to give 25.0 mL of solution. What is the molarity of the solution?
• What is the net ionic equation of the reaction of ##FeCl_2## with ##NaOH##?
• The diameter of a steel rod is given 56 +- 0.2 mm. What does it mean?
• The diameter of Earth, about 8,000 miles, is about 4 times the diameter of the moon. What is the approximate diameter of the moon?
• How do you graph ## y = sin(x - 45)##?
• How do you express ##log 36## in terms of ##log 2## and ##log 3##?
• Can't we use hybridization concept for ionic compounds?with the help of hybridization we can predict shape of compound ,so if it is not applicable in ionic compounds how can we predict shape of ionic compounds?
• How much is 42 divided by 0?
• Is the urethra part of the male reproductive system? Is it part of the female reproductive system?
• What is the oxidation number for ethyne?
• How do you find the integral of ##xe^(x/2)dx ##?
• Two slices of Dan's Famous Pizza have 230 calories. How many calories would you expect to be in 5 slices of the same pizza?
• How do you convert 8 mi/h to ft/min?
• A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many protons does a carbon-14 atom have?
• How does the circular flow model reflect interdependence?
• A farmer owns 1000 meters of fence, and wants to enclose the largest possible rectangular area. The region to be fenced has a straight canal on one side, and thus needs to be fenced on only three sides. What is the largest area she can enclose?
• What is the difference between reflection and refraction?
• What is a barometer and how is it useful for weather forecasting?
• How do you find the scalar and vector projections of b onto a given ##a = i + j + k##, ##b = i - j + k##?
• How many NaOH is required to neutralize 1500##cm^3## of 0.1N HCl? a. 60g b. 6g c. 4g d. 40g
• Where do the light reactions of photosynthesis occur in plant cells?
• Where is the x-axis and y-axis located?
• How is Le Chatelier's Principle used in the Haber process?
• If first order reaction x tend to y 40% of given sample of compound remain unreacted in 45min.Calculate rate constant of reaction?
• What is the main function of carbohydrates, lipids, proteins, and nucleic acids?
• When a ball is thrown upwards, what is the relationship between kinetic and potential energy at the initial position and maximum height reached by the ball?
• What is the area of this regular hexagon?
• Benzene is a hydrocarbon, a compound of carbon and hydrogen only. It is found to contain 7.74% H by mass. Its molar mass is 78.10 gmol^-1. Determine its empirical and molecular formula. Help?
• How do you calculate molality from molarity?
• How would you find the percent abundance of 2 isotopes of an element, given the atomic weight and mass number of each isotope?
• What are the parts of the tundra ecosystems?
• What were the terms of the Convention of 1800?
• What is the concavity of a linear function?
• What does a cell membrane do for animal cells, and what do they do for plant cells?
• What are neurotransmitters?
• Explain why the square root of 89 must be between 9 and 10?
• What is mechanical advantage and mechanical efficiency??
• What SI units are used to measure density?
• Using Huygen's principle, explain why diffraction of light can be regarded as a special case of interference ?
• How was Alexander Hamilton killed?
• How does the octet rule relate to alkali metals?
• What type of ecosystems do lions live in?
• How do vectors subtract graphically?
• What is the area of an equilateral triangle of side length 16cm?
• Would a density independent limiting factor have more of an effect on population size in a large ecosystem than in a small ecosystem?
• Zero is the freezing temperature of water on which temperature scale?
• How do you find least common multiple of 12 and 2?
• What is a metaphor, simile, hyperbole, irony, alliteration, and imagery?
• What is a vesicle?
• What is the formula for magnesium nitride?
• What is the balanced molecular equation for the neutralization reaction between HCl and Ba(OH)2 in aqueous solution? Include physical states.
• What are utilities?
• What is the formula for potassium sulfide?
• What is the square root of 121 over 100?
• What negative effect did the cotton gin have in America?
• How can electromagnetic waves be used to measure distance?
• \Who was Samuel Tilden?
• Can you explain the formation of an ionic compound from zinc and chlorine?
• What would distinguish the mass spectrum of 2,2-dimethylpropane from the mass spectra of pentane and 2-methylbutane?
• What is the derivative of ##e^(2x+1)?
• According to the following reaction, how much energy is evolved during the reaction of 0.111 mol B2H6 and 0.252 mol Cl2 (Both gases are initially at STP)? The molar mass of B2H6 is 27.67 g/mol. B2H6(g) + 6 Cl2(g) → 2 BCl3(g) + 6 HCl(g) ΔH°rxn = -1396 kJ
• What is the difference between pulmonary and systemic circulation?
• What is the slope of a line perpendicular to the x-axis?
• Are organelles living??
• Why is projectile motion parabolic?
• Name each of the following compounds?
• Why is the mass for elements on the periodic table written as a decimal?
• How do you write 2,000,000 in scientific notation?
• How do cellular respiration and breathing differ?
• In what year did the Boston Tea Party occur?
• What is needed for a wave to start?
• The density of water is 1.00 g/mL at 4°C. How many water molecules are present in 2.46 mL of water at this temperature?
• What percent of 55 is 34?
• What are the differences between a lytic infection and a lysogenic infection?
• What's ##42 2/3## divided by ##1/3##?
• What is a noun phrase in linguistics?
• What is biology?
• The diameter of the circle is 16 centimeters. What is the radius?
• How do I find the directrix of the parabola ##y=2x^2##?
• What are the colors of light in the visible spectrum in order of increasing frequency?
• How do you convert 1 mol/L HNO3 to % v/v HNO3?
• Write the applications of high specific heat capacity of water in daily life?
• What does it mean to say that the condition of chemical equilibrium is a dynamic situation?
• The latent heat of vaporization of water is 2260 J/g. How many grams of water at 100°C can be converted to steam by 226,000 J of energy?
• Write a balanced equation for the reaction of copper (II) hydroxide with aqueous ammonia to produce tetraamminecopper dihydroxide. Can you help plz?
• How can metals be distinguished from non metals on the periodic table?
• Dot structure of K3N?
• Why only gold leaves are used in electroscope?
• C2H5OH (l) + 3O2(g)->2CO2 (g) + 3H2O (l) Delta H -1367kJ H2 (g) + 1/2 O2-> H2O (l) Delta H -286kJ C(graphite) + O2 (g) -> CO2 (g) Delta H -394 Calculate the change in enthalpy for this equation 2C (g) + 3H2 (g) + 1/2 O2-> C2H5OH (l) Delta H??
• How many resonance structures does N3- have?
• What causes folded mountains?
• Where is pathetic fallacy used in the novel, "Wuthering Heights"?
• How do you find all the real and complex roots of ##x^5 - 32 = 0##?
• What are equivalent ratios 7 to 10?
• Which parts of a cell are present only in plant cells?
• Show the bond dipoles in the molecules CF4 and CHF3?
• What is a particle that rapidly moves around the outside of the nucleus and carries a negative charge?
• What is the percent by mass of water in barium bromide tetrahydrate ##BaBr_2 * 4H_2O##?
• How do you simplify using the sum and difference formula ##tan(285)##?
• How long can you survive without food?
• What are some examples of internal rhyme?
• Does the following sentence have any proper adjectives? If so, where?: French bread is from France, but french fries are not.
• How do you find the exact value of Sin 45degrees + cos 60degrees?
• What cell types are found in the dermis?
• An isosceles triangle has base 10 and perimeter 36? How would I find the area?
• What is the articulation site for the femur?
• How would you determine the empirical and molecular formula for hydrogen peroxide, which is 5.94% H and 94.06% O and has a molar mass of 34.01 g/mol?
• What is viscosity?
• What are the nucleic acids involved in transcription and translation?
• How do you solve for x in ##1/3lnx+ln2-ln3=3##?
• A 20.00 mL sample of a KOH solution required 31.32 mL of 0.118 M HCl for neutralization. What mass (g) of KOH was present in the 20.00 mL of the sample of KOH - (Molar mass of KOH 56.11 g/mol)?
• How do you draw the lewis structure for ph3?
• A sock drawer has 8 blue socks and 6 black socks. If I randomly select two socks, one at a time, what is the probability l will first get a blue sock and then, without replacing it, a black sock?
• What if Earth were the size of Jupiter? What would be different about life as we know it?
• What is the simplest radical form of the square root of 80?
• Six friends share 4 sandwiches equally. What fraction of a sandwich does each friend get?
• How many kilometers are in 100 meters?
• What is the relationship between 1) A.M.U and gram, 2) Mole and gram, 3) Mole and A.M.U?
• Find the equation of the straight line with positive gradient and inclined at an angle of 45° to the line 3y-x+1=0 and passing through the point (2,0)?
• Why no numeral is needed as a prefix in the naming of butanal and butanone?
• Why did some states want a bill of rights added to the Constitution?
• What is the oxidation number of Cr in Cr2(SO4)3?
• What is the difference between acetal and ketal ?
• Who is Gregor Mendel?
• What is the definition of a black hole?
• What are examples of rhyme scheme?
• Which way does the earth rotate on its axis?
• How do you write a participle phrase?
• What is the square root of 150 in simplified radical form?
• What are some examples of imprinting?
• What is the difference between contact metamorphism and regional metamorphism?
• What are the charges of transition metals on the Periodic table?
• What is the equation of the parabola that has a vertex at ## (14, -9) ## and passes through point ## (0, 2) ##?
• Why is the maximum density of water at 4°C?
• How do you find the point (in the first quadrant) on the lemniscate ##2(x^2+y^2)2=25(x^2−y^2)## where the tangent is horizontal?
• What is the importance of oxygen in the atmosphere?
• What are the isomers of C4H8?
• What happens when solid dinitrogen pentoxide is added to water?
• What is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
• How do you write an ionic formula given the compound name?
• What is the difference between a reducing disaccharide and a nonreducing disaccharide?
• What is attitude?
• How do you convert 15 feet to centimeters?
• At time t = 0 s, a wheel has an angular displacement of zero radians and an angular velocity of +28 rad/s. The wheel has a constant acceleration of -0.50 rad/##s^2##. In this situation, at what time will the wheel come to a halt?
• How do you solve radical equations with cube roots?
• I have 18 ones, 15 hundreds, 15 tens, and 8 thousands. What number am I?
• What are the products of photosynthesis?
• How many atoms of oxygen are found in aluminum nitrate?
• What is the valence electron configuration for phosphorus?
• How do you convert ##3/8## to a percent?
• What is the difference between absolute age and relative age of fossils?
• What did the disagreements between Alexander Hamilton and Thomas Jefferson create?
• What are the elements in Period 2 that are metals?
• What does the mass number tell us?
• Who created the electron cloud model?
• In plant cells, what does the vacuole do?
• The product of 3 and a number is 12 more than the sum of the number and 26. What is the number?
• What is the ultimate source of energy for all ecosystems?
• How do you simplify the radical expression ##sqrt(63)##?
• What is the lowest common multiple of 12 & 21?
• Based on the VSEPR theory, what is the molecular geometry of a molecule of PI3?
• What are the characteristics of restriction enzymes?
• What was the result of the March Revolution?
• What does GMO stand for?
• Why the Newton's second law of motion important?
• What amino acid sequence would be produced from the mRNA sequence CGCUAUAGC?
• How does rough endoplasmic reticulum differ from smooth endoplasmic reticulum?
• Give the kingdom, phylum, class and order of the normal household dog?
• Whats the difference between converse of alternate interior angle theorem and alternate interior angle theorem?
• How do you write the formula of periodic acid?
• What is botany?
• A Proton and an Alpha particle are accelerated by same potential difference.If they enter in a region of uniform electric field in a direction perpendicular to it, then deflection of which is more?
• What part of a barred spiral galaxy has the highest density of matter?
• How do you find the area of circle ##x^2 + y^2 = 5,625##?
• How do you use similar triangles to set up proportions?
• Which definition for acids and bases is the right one: Lewis or Brønsted?
• The area of Arizona is 114,006 square miles. What is the expanded form of this number?
• How do you find the square root of -63?
• How do you find the derivative of ##ln(sin^2x)##?
• How do you find the derivative of ##(cos x)## using the limit definition?
• How do you convert 0.667 into a percent and fraction?
• How did James Chadwick contribute to the atomic theory?
• An intramuscular medication is given at 5.00mg/kg of body weight. If you give 425mg of medication to a patient, what is the patients weight in pounds?
• Does carbonic acid, H2CO3, spontaneously decompose?
• Is H2S dihydrogen monosulfide or dihydrogen sulfide, please explain?
• What was the first battle of the Revolutionary War?
• Mars is roughly 60million km from earth. How long does it take for a radio signal originating from earth to reach Mars? (Hint: use the speed of light)
• How do you express 275 mmHg in atm. and Pascal?
• How do you simplify each expression using positive exponents ##(x^-2y^-4x^3)^-2 ##?
• What is the sum of interior angles in a hexagon?
• How do polyatomic ions differ from monatomic ions?
• How to draw the lattice and crystal lattice structure of ionic compounds?
• How do you find the end behavior of a quadratic function?
• How do I graph the quadratic equation ##y=(x-4)^2-6##?
• Why is Fischer esterification not useful for tertiary alcohols?
• What are some uses of UV/VIS spectroscopy?
• For a regular 20-sided polygon, what is the degree of rotation?
• Why do scientists use the joule as the unit of measurement of energy instead of the calorie?
• What is the conversion factor between km/hr and m/s?
• A computer does a calculation in 5 nanoseconds. How many of these calculations can the computer do in 1 second?
• What are the branches of chemistry and their definition?
• What is the difference between real numbers and rational numbers?
• What is the difference between isotope notation and hyphen notation?
• What would be the major product obtained from the hydroboration–oxidation of 1-methylcyclohexene?
• 22 is 5 percent of what number?
• What was the result of the crisis over the 1832 tariff?
• The measure of the obtuse angle in the isosceles triangle is two and a half times the measure of one base angle. What are the measures of all the angles?
• How do you name and draw stereoisomers for 2-pentene?
• How do you find the sum of the infinite geometric series 1/3+1/9+1/27+1/81+...?
• What is interphase in mitosis?
• Ammonia gas is alkaline or acid?
• How do you find the six Trig values of -450 degrees?
• What is a general definition for Bohr's postulates?
• What is the difference between chromosomal mutations and point mutations?
• How do electron configurations correspond to the periodic table?
• What is the formula for calculating the test statistic for a one-sample z test?
• What information do you need to calculate the average atomic mass for an element?
• A ketone has the molecular formula C5H10O. Write the structural formulae of the isomers to show positional isomerism?
• What is buffer capacity?
• Is there any relation between, 1) Tangent ratio in trigonometry & Tangent of Circle? 2) Secant ratio in trigonometry & Secant of Circle?
• Why must the universe be an isolated system to obey the Law of Conservation of Mass?
• What is an example of a negative feedback loop found in the integumentary system?
• What is meiosis?
• What are examples of innate behavior?
• Is the enantiomer of isoborneol, borneol?
• What is square root 54 in its simplest form?
• What is 1 1/4 cups divided by 2?
• What is the additive and multiplicative inverse of 0.4?
• What are mendel's laws of inheritance ?
• Where is an electron located?
• What does LASER stand for?
• What is the ecological definition of population?
• How do you graph ##f(x)=sinx-sqrt(3)cos x## for x is between [0, 2pi ]?
• Is pyridine an aromatic compound?
• What are some flaws in Alfred Wegener's Continental Drift Theory?
• How many cells does the human body have?
• What are examples of short term and long term stressors?
• How do you find x and y intercepts of ##3x – y = 9##?
• What are the possible values of n and ml for an electron in a 5d orbital ? A) n = 5 and ml = -2, -1, 0, +1, or +2 B) n = 1, 2, 3, 4, or 5 and ml = 2 C) n = 5 and ml = 2 D) n = 1, 2, 3, 4, or 5 and ml = -2, -1, 0, +1, or +2
• The bulk of the heart which consists of cardiac muscle tissue is called what?
• What is the mechanism for nucleophilic substitution between butyl- iodide and NaCN?
• What is the chemical formula for potassium sulfate?
• According to the following reaction, how many grams of hydrogen iodide will be formed upon the complete reaction of 33.0 grams of iodine with excess hydrogen gas? hydrogen (g) + iodine (s) hydrogen iodide (g)
• What phase of matter is NaOH?
• How do you calculate the double integral of ##(xcos(x+y))dr## where r is the region: 0 less than or equal to x less then or equal to ##(2pi)/6##, 0 less than or equal to y less than or equal to ##(2pi)/4##?
• What is the past tense of the word "hurt"?
• If the pH of healthy blood is 7.4, what is the hydrogen ion concentration?
• What is the trend for atomic radius down a group?
• What does "trans" isomer mean in cyclohexane ring?
• Why are noble gases monatomic, if they are?
• Why is SnCl4 a Lewis acid?
• How do you calculate the fundamental frequency of a pipe?
• Why is synapse transmission slower than nerve transmission?
• What is hyperconjugation?
• What are the levels of organization in an ecosystem starting from the most inclusive to the least inclusive?
• How many molecules are in one mole of a molecular compound?
• What is an antecedent?
• How can a physical map help explain the historical development of a country?
• What is the proper name for a bone doctor?
• What is the function of squamous epithelial cells in the lung?
• What is the purpose of writing chemical equations?
• Daniel practiced his new dance moves 30 minutes on Monday and again on Tuesday. At the end of one week, how many minutes would he have practiced?
• In what other ways can you make use of the concept on percentage composition?
• If the divisor is 4 and the quotient is 8, what is the dividend?
• What is the difference between organic and inorganic compounds based on solubility and flammability?
• What does dingus mean?
• What are bacteria?
• Are pronouns used as subjects or subject complements in the nominative case?
• What is the normal white blood cell count in a healthy female adult?
• What is 0.2 as a fraction?
• 8 ounces is equal to how many quarts?
• What are illustrations of concrete language and abstract language?
• Do the 12 cranial nerves (including the Vagus nerve) belong to the Sensory-Somatic or Autonomic system?
• How are coordinate plane quadrants numbered?
• What factors do 8 and 12 have in common?
• What is acid rain?
• What is the derivative of ##y## with respect to ##x## for ##y = 17^x##?
• An isosceles right triangle has legs of equal length. If the hypotenuse is 8 inches long, how do you find the length of each leg?
• Why was the winter at Valley Forge so difficult?
• What are the factors of 54?
• How does stirring affect the rate of solution formation?
• Technetium-99m the isotope notation is 98 TC 43. Is the atomic weight 98 amu?
• What is the definition of elastic potential energy?
• How do you write ##12 3/10## as a decimal?
• How do you calculate standard molar enthalpy of formation?
• Why isn't carbon monoxide just called carbon oxide?
• Calculate the mass density of a pure sample of oxygen gas at a pressure of 1.0 atm, a volume of 7.8 L at 197.2C?
• What's the balanced equation for magnesium and hydrochloric acid?
• Where are reactive metals located on the periodic table?
• Anthony has 63 toy cars and 84 toy trucks. He wants to divide them into groups that contain the same number of vehicles. Also, each group must contain the same type of vehicle. What is the largest number of toys that can be put into each group?
• Are there any theories explaining why Venus rotates backwards compared to other planets?
• What is the difference between solving multi step equations and multi step inequalities?
• Is acid mantle a chemical, biological, or a mechanical barrier?
• Find the limit as x approaches infinity of ##y=arctan(e^x)##?
• How do you graph ## y = -2/5x + 2##?
• What is the definition of real politik in recent world history
• According to the periodic table, how many elements are metalloids?
• What is the balanced equation for heptane (C7H16) burning in oxygen to make carbon dioxide and water?
• Why is the Lewis structure of ozone important?
• Why is enthalpy an extensive property?
• How do you calculate the ideal gas law constant?
• What does it mean by "perfect" tense? Why is present/past perfect tense called perfect tense? I couldn't relate the meaning of "perfect" to the tense in grammar. Can someone tell me how it got its name? Thanks :)?
• If the amount of mercury in a polluted lake is 0.4 micrograms Hg/mL, what is the total mass in kilograms of mercury in the lake? ( the lake has a surface area of 100 ##"mi"^2## and an average depth of 20 ft)
• How do you simplify 2 cubed root 81 + 3 cubed root 24?
• What are metathesis reactions?
• What is the reaction and chemical equation when hydrogen peroxide is added to manganese dioxide?
• Is 1/3 a rational or irrational number?
• How many stars and planets are there in the universe?
• How do you construct adjacent congruent angles?
• What is phylogeny?
• Neptune's average distance from the Sun is ##4.503 * 10^9## km. Mercury's average distance from the Sun is ##5.791 * 10^7## km. About how many times farther from the Sun is Neptune than Mercury?
• What is the pKa of acetic acid?
• How do you determine if the sequence is arithmetic, geometric, or neither: 96, 48, 24, 12, 6, 3, 1.5, .75?
• What is the half life equation?
• How do you find the linear correlation coefficient on Excel?
• What are some examples of autotrophs?
• What is the difference between the excretory, the respiratory and the urinary systems?
• What is the comercial unit of enrgy and si unit energy establish the relationship between comercial unit and si unit of energy ?
• How do you find a vertical asymptote for y = tan(x)?
• Calculate the percent composition of lithium in ##"Li"_3"PO"_4##?
• How many grams of methane gas, CH4 , occupy a volume of 2.00 L at 50.0°C, and 697 torr? (PV = nRT, R = 0.0821 L atm/ mole K)
• What is the square root of 144?
• What is a transformer?
• What is projectile motion?
• How do you simplify and make the decimal 0.875 into a fraction?
• What is 0.25 as a fraction and percent?
• What is the source of mechanical energy in an electric generator?
• What is allopatric speciation?
• Why can't we add a methyl group to to the first carbon atom while making an isomer of butane?
• Love is an understatement. What does this mean?
• How do you find the square root of 17?
• How did Mansa Musa, Sonni Ali, and Askia Muhammad change their kingdoms?
• What is the relationship between passive and active transport?
• Can Newton's Law of Cooling be used to find an initial temperature?
• In order to open the clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. If a seagull flies to a height of 27 m, how long will the clam take to fall?
• What are spinal nerves?
• What is the definition of the Inverse Sine Function?
• What is the area and circumference of of circle with diameter 10 inches?
• One year on Mercury is equal to 87.97 Earth days. One year on Pluto is three times the length of one Mercury year minus 16.21 days. How long is one year on Pluto?
• What is the average deviation of ##1.76, 2.28, 1.90##?
• How do you use anaphora in a sentence?
• What is a solvent?
• What were the problems with the theory of continental drift?
• Enlightenment thinkers influenced America's Founders. What did Enlightenment thinker John Locke believe?
• Why is luster important for mineral identification?
• On a mountaintop, it is observed that water boils at 90°C, not at 100°C as at sea level. Why does this phenomenon occur on the mountaintop?
• What is the secant of 270 degrees?
• How does the muscular system function?
• What are metal activity series?
• How do you calculate the percent composition of each element in K2Cr2O7?
• What`s the surface area formula for a rectangular pyramid?
• Where do light dependent reactions of photosynthesis take place?
• What are some examples of Van der Waals forces?
• The sum of the first 12 terms of an arithmetic series is 186, and the 20th term is 83. What is the sum of the first 40 terms?
• What is the isotope symbol of uranium- 238 and uranium-235?
• How do igneous rocks form?
• 1 m is equivalent to 3.281ft. A cube with an edge of 1.5ft has volume of?
• If a strand of DNA were composed of the base sequence of ATCG, what would be the complimentary sequence of its opposing base pairs?
• What is the nuclear equation for the alpha decay of Po210?
• How far is Mars from the sun in astronomical units?
• Fe(NO3)3(aq)+HCl(aq)? write the equation and net ionic equation?
• What is the difference between set notation and interval notation?
• How many ounces is 2.2 liters?
• Where are electrons located?
• What does "union" mean in a geometry class?
• How do you find all the factors of 17?
• Why was Edison electric power plant important?
• What does orbit mean?
• Can you write a balanced nuclear equation for the alpha decay of Ra-226?
• What is the equation of a sphere in standard form?
• What is diversification?
• What is the distance between the points (2, 3) and (7, 4)?
• How many miles away is Saturn's largest moon, Titan from the sun and the earth?
• What is the derivative of ##y=4 sec ^2(x)##?
• How do enzymes affect rate of reactions?
• Who was president during the early years of the Great Depression?
• What is active transport?
• What's a terminating decimal?
• What are some examples of natural selection?
• How are barr bodies formed?
• How do you multiply ($728.00) (6.2%) and round to the nearest cent?
• The atomic mass of potassium is 39. If its atomic number is 19, how many neutrons are in each potassium atom?
• How do you convert Chloroform to Propyne?
• What is the ground state electron configuration of the element germanium?
• What attracted settlers to the Middle Colonies?
• When do spindle fibers attach to kinetochores?
• What is a mixture in chemistry?
• What did the Whig Party believe in?
• How would you predict the expected phenotypic and genotypic ratios among the offspring of two individuals who are heterozygous for freckles (Ff) by using a Punnet square?
• What is the atomic number of iron?
• What does the term dual "nature of light" mean?
• What is an example for catharsis?
• What is compression?
• How does the value of an equilibrium constant relate to the relative quantities of reactants and products at equilibrium?
• What is the physical significance of the Planck's constant?
• What are the building blocks of nucleic acids?
• The cytoplasm in a cell carries out a function similar to a function of which human system?
• How can negative externalities be internalized?
• What Spanish military leader overthrew the empire of the Aztecs?
• Who wrote The Wealth of Nations in 1776?
• How are buffer solutions used?
• How are plasmodesmata related to the symplast?
• Explain orbital notation?
• Which liquid, methanol or ethanol, has the larger vapor pressure value at room temperature?
• What is convection, conduction and radiation and how do these work in space?
• What body cavity contains the brain? Is it in a body cavity?
• What is the oxidation number of manganese in MnO4-, Mn2O3, and MnO2?
• What happens to a chromosome during cell division?
• What mass of urea, a nonionic compound, must be added to 20.0 g of ethanol to make the boiling point of ethanol 79.6 ºc? kb = 1.22 ºc/m the normal boiling point of ethanol is 76.5 ºc.
• Could you explain what an action or a linking verb is? I know that a verb is what you do, so what are action and linking verbs?
• How do you find percent composition of a compound?
• What are the characteristics of a red giant star?
• In 1764 the Sugar Act is passed, what was the colonists' and Samuel Adams's response?
• What is the major difference between a cyclic hemiacetal and a cyclic acetal?
• How do you calculate specific heat of lead?
• How do gymnosperm leaves differ from angiosperm leaves?
• Draw the lewis dot structure of H2SO4 show formal charges? show how its stronger acid than HNO3
• What is the formula for Ammonium sulfide?
• How convection currents form in earth's interior?
• What is the square root of a googol?
• According to the nebular theory, how did the Oort cloud form?
• 4HCl(aq) + MnO2(s) →2H2O(l) + MnCl2(aq) + Cl2(g) How many grams of HCl react with 5.00 g of manganese dioxide, according to this equation?
• What is the ordered pairs that satisfy the equation y=1/5x?
• Pure water freezes at 0°C and boils at 100°C. Would tap water likely freeze and boil at those exact temperatures? Why or why not?
• How do you prove ##1/(sinxcosx) - cosx/sinx = tanx##?
• What is the basic structure of an atom?
• Which is more effective at raising the boiling point of a soup? Why? SrBr2 Ca3N2 KCl CH4
• How does the valence electron configuration work for sulfur?
• Why is the pH scale 0-14?
• How do you prove ##sin^2x/ (cos^2 +3cosx+2) = (1-cosx)/ (2+cosx)##?
• What is the answer to: 50g of nitrogen (N2) has a volume of _____L at STP (40L)?
• What is the empirical formula of methane given methane can be decomposed into 4.5 g of carbon and 1.5 g of hydrogen?
• What is the structural formula for 2-methylpropane?
• How did Henry Moseley alter Mendeleev's original periodic table?
• How is the human respiratory system related to the circulatory system?
• How many centigrams are in 4.15 grams?
• How much precipitation does the tropical savanna get per year?
• The average life span of a tortoise is 200 years. How many days is this?
• Rafael counted a total of 40 white cars and yellow cars. There were 9 times as many white cars as yellow cars. How many white cars did Rafael count?
• In the Haworth projection, why is the –CH2OH group pointing up?
• How does the Bohr theory of the atom explain flame colors?
• What is the formula for molarity?
• What are the chemical formulas of potassium sulfate and of calcium acetate?
• What is the Mole ratio of C12H22O11 (Sucrose)?
• How does polarity affect SN1 reactions?
• Why do eukaryotic cells have membrane bound organelles?
• What are the parts of the renal tubule in the correct sequence from beginning to end?
• What is the mass of 15ml of water?
• How is energy conserved in an endothermic reaction?
• Is ##x^12-y^12## difference of two squares or difference of two cubes?
• How to simplify square root of 98 - the square root of 50 - the square root of 72?
• Why are Arrhenius acids strong electrolytes?
• Will a change in the amino acid sequence of a polypeptide chain always change protein activity?
• How do you find the derivative of ##ln(x/(x^2+1))##?
• How are fungi helpful to humans and how are they harmful?
• How small is Earth compared to the largest known star?
• What is the derivative of ##f(theta)=arcsin(sqrt(sin(9theta)))##?
• Which is more stable, cis -1-ethyl-2-methylcyclohexane or trans -1-ethyl-2-methylcyclohexane?
• How many pints of blood are in a woman's body?
• What is the difference between an oxymoron and antithesis?
• What is the SI for a unit of power?
• A card is drawn from a standard deck of 52 playing cards. What is the probability that the card is an ace or a king?
• How do you convert (x-3)squared +(y+4)squared =25 to a polar equation?
• How do the central and peripheral nervous system work together?
• How do you find the slope of the line whose equation is ##2x – 4y = 10##?
• What percent of 20 is 4?
• When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out of solution according to the equation? AgNO3(aq)+KCl(aq)→AgCl(s)+KNO3(aq)
• Why is law of definite proportions important?
• How do you graph the inequality ##3x+4y<=12##?
• How do viruses reproduce?
• Why is a ladder an inclined plane?
• What is the integral of sin(x) dx from 0 to 2pi?
• Why were true-breeding pea plants important for Mendel's experiments?
• How do the definitions of phototrophs and chemotrophs differ from autotrophs and heterotrophs?
• What is the hydroxide ion concentration in a solution of ##"NH"_3## with a ##"pOH"## of ##4.65##?
• A block of wood floats in a liquid of density 0.8g/cm sq. with one fourth of its volume submerged. In oil the block floats with 60% of its volume submerged. Find the density of (a) wood? (b) oil?
• How do you use the properties of logarithms to expand ##log_10((xy^4)/z^3)##?
• Why is ##ZnCl_2## a lewis acid?
• How do you convert meters to centimeters or millimeters?
• How does the Calvin Cycle work?
• What does a negative correlation coefficient mean about a scatter plot of the data?
• What is the rhyme scheme of a sonnet?
• How do you simplify (-2) to the 3rd power?
• A pentagon is a polygon with how many sides?
• The base of a triangular pyramid is a triangle with corners at ##(8 ,5 )##, ##(6 ,7 )##, and ##(5 ,1 )##. If the pyramid has a height of ##8 ##, what is the pyramid's volume?
• Is water a molecule or a compound? Is it both?
• What are functional groups?
• How can I calculate the mass percent of carbon, nitrogen and oxygen in acetamide, ##C_2H_5NO##?
• How is friction force related to normal force?
• How do you write 0.05% as a fraction?
• What is a buffer in chemistry?
• What is an organelle that modifies, packages, and transports materials out of the cell?
• What is cirrhosis of the lungs?
• Why is k constant in Boyle's law?
• What is the purpose of mitosis?
• What is cross-bedding and how is it produced?
• What is granite?
• Does tan(x) have points of discontinuity?
• How does gas exert pressure on its container?
• How might a Loyalist view the Tea Act of 1773?
• When an atom has an atomic number of 6 and a mass number is 14 how many electrons and neutrons are in the atom?
• What is an example of an heterogeneous mixture?
• How are parallel circuits used in homes?
• How do you verify ##tanh x/(cosh x - sinh x tanh x) = sinh x##?
• My blood type is O+. Is this the type that is hard to find?
• When 10.00g of iron is burned in O2(g) to form Fe3O4(s), enough heat is generated to raise the temperature of 851g of water from 18.0 ∘C to 38.0 ∘C. What is the heat of formation of Fe3O4(s)?
• Ethanol (ethyl alcohol) has a density of 0.789 g/mL at 25C. If 75.5 g of ethanol is needed to make a solution, how many milliliters should be measured into the solution container?
• How do you simplify ##(sec^2x-1)/ sec^2x##?
• How can I calculate the net force of an object?
• What does conformity mean?
• What characteristics of life do bacteria have?
• If the radius of a sphere is increasing at a rate of 4 cm per second, how fast is the volume increasing when the diameter is 80 cm?
• Define solubility. Provide an example of something soluble. Idk How Can u Help?
• What is the circumference of the earth?
• What is 250 divided by 3?
• How does meiosis 1 differ from meiosis 2?
• How do electron configurations change for ions?
• What were the causes and effects of the first Opium War?
• What is foreshadowing?
• What is a nerve synapse?
• What is the definition of satirical comedy? I've been looking everywhere online for like an hour now, and I cannot find this definition.
• What is the difference between independent and dependent variables?
• What is the difference between intrusive and extrusive igneous rocks?
• Who was Dr. Benjamin Spock?
• What is the area of a hexagon with 4 cm long sides?
• How many square feet are in ##100## ##m^2##?
• How many years is an eon?
• What is the circumference of the Earth's orbit around the Sun?
• What are polysaccharides?
• How to find inverse functions with scientific calculator?
• What is metastasis?
• What are obligate anaerobes?
• On the H-R diagram, what kind of star is the Sun?
• How did Ptolemy's model account for retrograde motion?
• How do you complete the following metric conversion problem: 3.5 mg = ? ##mu##g?
• How come H2SO4 in binary acid form is sulfuric acid and not dihydrogen sulfuric acid?
• List of viroid diseases in plant & animals?
• How do you find the Least common multiple of ##28, 14, 21##?
• How do you simplify ##sin(90 + x)##?
• Who invented the first airplane?
• In a Diels-Alder Reaction, 3-sulfolene produces a 1,3-butadiene and a gas. What is the gas that is produced?
• How do you find square root of 300?
• Why do plants need both chloroplasts and mitochondria?
• What is the polar equation of a horizontal line?
• What is menstruation? What is puberty?
• Which is not a good nucleophile, phenoxide ion or acetate ion?
• What is glacial till and how could it be identified in the field?
• What is the square root of 1/169?
• How is RNA different from DNA?
• If nitric acid is derived from the nitrate ion, what is the formula for nitric acid?
• How did the Spanish plan to protect their colonies in the New World?
• What is the slope and y-intercept of the line y=-5x+2?
• How are negative exponents used in real life?
• How do you evaluate the expression ##n^4## when n=7 and when n= 0.4?
• What polyatomic ions end in -ide?
• What is the Ka of a strong acid like HCl?
• What is the verb or verb phrase in the sentence, " What is the most feared animal in the West"?
• How do you factor ##x^3 + 1/8##?
• How do you calculate the force of sliding friction?
• What metric unit is used to measure length?
• How do you find the hypotenuse of a isosceles right triangle?
• What is chemistry?
• What are tendons and ligaments?
• What is xylem ?
• What is the chemical formula for silver sulfate?
• What is the numerical coefficient of the variable and the constant term of 6x + 5?
• How many grams of MgO are produce when 50 grams of Mg react with O?
• What is the purpose of the prologue in Romeo and Juliet?
• What is the atomic number for nitrogen?
• How do you find the sum of the first 30 positive multiples of 3?
• How can I draw and identify the chiral centers of galactose?
• How does the law of crosscutting relationships help scientists determine the relative age of rocks?
• How does change in the slope affect the steepness of a line?
• How does ontogeny recapitulates phylogeny relate to evolution?
• What is the unit rate of 180 miles in 3 hours?
• What is the difference between steric and torsional strain?
• What is the Integral of ##tan^2 x sec^4 x dx##?
• Hydrofluoric acid (HF) reacts with silicon dioxide to produce silicon tetraflouride and water. How do you write the balanced equation for this reaction?
• What do you mean by artificial and natural systems of classification? Can you also tell me the difference between the two? And, what is phylogenetic classification?
• What are the general properties of alkali metals?
• Who were the Central Powers in WWI?
• Can you give me at least 5 examples of solutions?
• Why are atomic numbers always whole?
• Why is careful regulation of the cell cycle important to multicellular organisms?
• Difference between hexane hexene in terms of their chemical bonds?
• What hormone is responsible for the expression of secondary sexual characteristics in human females?
• Why did James Chadwick use beryllium?
• How do protozoans with pseudopods eat?
• What is the STP of ##H_2## in chemistry?
• How to determine the strong base and weak base?
• How do chloroplasts and mitochondria work together?
• How does chemistry differ from alchemy?
• In an experiment, what are constants?
• What important plan concerning Germany's fate was decided at the Potsdam Conference?
• What are two major types of mutations?
• What are the distinguishing characteristics of Neptune?
• Why are acetyl chloride or acetic anhydride used instead of acetic acid in preparing esters of acetic acid?
• How are mitosis and meiosis similar?
• How much bigger is the sun than Mercury?
• What is the Law of Syllogism and the Law of Detachment?
• What are some examples of physical weathering?
• How do alleles affect phenotype?
• If a thermometer indicates 40 degrees Celsius, what is the temperature in degrees Fahrenheit?
• Can moment of inertia be negative?
• What are two examples of a hyperbole in act 3 of "Romeo and Juliet"?
• What does matter mean?
• What is the average value of a function ##y=3x^5## on the interval ##[-3,3]##?
• How many significant digits does 230. have?
• How many rings does Jupiter have?
• 4 boys share 3 granola bars equally. How much does each boy get?
• How do you find the integral of ##int 1/(1 + cot(x))##?
• How do you solve ##Sin(pi/2 - x) cot(pi/2 + x) = -sin x## from 0 to 2pi?
• Given: segment PS is congruent to segment QR; measure of angle PSR = measure of angle RQP = 90 Prove (using two-column proof): segment PQ is congruent to segment RS?
• How does Benedict's solution change colour?
• How is urine produced in the kidneys and nephrons?
• What is an organism made up of many cells called?
• How to convert meters to micrometers?
• A warm day has a high temperature of 38.0°C. What is this temperature in degrees Fahrenheit?
• What is an electron cloud?
• What are the square numbers between 1 & 500?
• If a person scores in the 45th percentile on the ACT, how do we interpret this?
• Perimeter of a right triangle is 12cm and its hypotenuse is of length 5cm. Find the other two sides and calculate it's area?
• What happens in covalent bonding?
• How do convex and concave lenses affect parallel light rays?
• What role does skin play in the excretory system?
• How do you find the mean, median, mode and range of 30, 34, 35, 39, 33, 32, 31, 36, 35, 37?
• A pitcher of lemonade holds 64.8 ounces. If each serving is 7.2 ounces, how many servings are there in a pitcher?
• What is an example of an alloy how does its properties may make it more useful than a pure metal?
• Poiseuille's law is about factors that control the flow rate of fluid through pipe. Explain all the factors involved?
• Silver chloride, often used in silver plating, contains 75.27% Ag. What is the mass of silver chloride required to plate 245 mg of pure silver?
• What is the bond polarity of cacl2?
• What are four types of biomes?
• How to convert 2.5 radian to degree/minute/second?
• If ##9## cubic blocks with a side length of ##1/3## inches are needed to find the volume of a cube, what is the volume of the cube?