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Calculate the frequency for the each of 8 emission lines. Show your calculations. Violet - 410nm b. Indigo -430nm c. Blue - 470nm d. Green 530nm e....
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Very often, buffers and other reagents are labeled as 5x or 10x. This means that they are 5 or 10 times more concentrated than the working solution.
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A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C. a) What is the pH of the HF solution before
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the thermal decomposition of nitrocylchloride is important in throspopheric chemistry given that the arrherous factor is 1x1o 4 m/s and the
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EXPERIMENT Stoichiometry of a Precipitation Reaction Hands-On Labs, Inc. Version 1.0 Review the safety materials and wear goggles when working with...
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Calculate the pH when 1.59 g of CH 3 COONa(FW = 82.03 g/mol) is added to 21 mL of 0.500 M acetic acid, CH 3 COOH. Ignore any changes in volume. The K...
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A billiard ball moving at 6.00 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.91 m/s, at an angle of...
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A skier is accelerating down a 30.0 hill at 1.80. a) What is the vertical component of her acceleration?
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TOPIC : SALMONELLOSIS you are the science reporter for your local newspaper. She asks you to write an article on a major topic:
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A 50 {\rm kg} woman stands on a very light, rigid board that rests on a bathroom scale at each end, as shown in figure. what is the weight on scale a...
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I'm doing the ELVIS meltdown. 1) how would you go about isolating your pure culture. 2) if your goal is to characterize the ETPUM, whose results are
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The two types of cells and their respective hormones contained within the islets of langerhans are A. Alphacellsepinephrine;beta cellscortisol B....
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3. Your patient, Ms. Young, has failing kidneys that cause an increase in her extracellular fluid K+concentration. What would this do to the resting
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Complete the following problems using the Combined Gas Law.Include the appropriate formula, show your work and provide an answer with the correct...
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Tetrachloroethylene, C2Cl4, can be prepared by reacting acetylene (C2H2), chlorine and calcium hydroxide. The equation for the reaction is:
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Introduction to Criminology– Week 1 AssignmentCrime and CriminologyCriminology studies criminal behavior in society. Criminal behavior is behavior that breaks criminal codes established by our socie
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A small sphere with mass 1.10 hangs by a thread between two large parallel vertical plates 5.00 apart . The plates are insulating and have uniform...
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Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor.
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Exactly 3.0g of carbon was burned to co2 in a copper calorimeter.the mass of the calorimeter is 1500g and there is 2000g of water in the calorimeter....
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Question II. Table 1 shows the physical and biological characteristics of several different antigenic molecules. Table 1. (daltons) e u no - es...
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The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen...
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0-g sample of ice at -16.0C is mixed with 105.0 g of water at 76. Calculate the final temperature of the mixture assuming no heat loss to the...
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1 Explain which types of cells in the body (belonging to which organs, etc.) are sensitive to ionizing radiation and which are not and why.
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A -10 nC charge is located at ( x , y ) = (1.0 cm , 0 cm). a) What is the x -component of the electric field at the position ( x , y ) = (4.5 cm , 0
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a chemist delivers 1.5 moles of oxygen gas to a 2.0 L evacuated cylinder containing excess sulfur. He then ignites the mixture and the following...
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An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box...
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A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s(a) What is its kinetic energy at the end of the 30 s?
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Today's electric vehicles get about 4.7 miles per kWh. If my round trip commute is 34 miles, how many m2 of solar panels do I need to provide that
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CheckPoint: Basic Processes Select one basic physiological process from the following list:
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Meteorology I Module 4 Discussion Typically, when a cumulonimbus cloud begins to dissipate, the bottom half of the cloud dissipates first. Give an...
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Clinical practice is guided by nursing theory. There are many different theories in regards to mental illness. Phil Barker is renowned for his Tidal...
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(10 pts] Activity Data and Calculations Volume of 6 x 9 inch bag 1.20 L Room temperature 295 k Room pressure (in atm) 1.01 atm Moles of CO, required...
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What would the PCR product be for the following DNA sequence at the end of the amplification?
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1- Write net ionic equation for the reaction that occurs when aqueous solutions of barium hydroxide and hydrofluoric acid are combined.
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1- What is the pH of an aqueous solution of 4.6910 -3 M hydrobromic acid ? pH =-------- 2- What is the pH of an aqueous solution of 6.8610 -3 M
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A point charge of -7pC is concentric with two spherical conducting thick shells, as show in the figure below.
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At time t0 = 0 an electron accelerates very briefly in the direction shown. The magnitude of its acceleration is 3 109 m/s2.
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A crate is pulled to the right with a force of 75.7 N, to the left with a force of 116.9 N, upward with a force of 500.7 N, and downward with a force...
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20 ML of 0. 40 M Ba ( OH ) 2 is titrated with 1 . 60 M HCL . How many ML of HCI are needed to neutralize the solution ?
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o Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other
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From which of the following patients do the microbiology results confirm a urinary tract infection . All patients are young women . All are...
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15 ML of O . 20 M Ba ( OH ) , is titrated with 0. 10 M HCI . How many ML of HCI are needed to neutralize the solution ?
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Social Justice, Epidemiology and Health Inequalities Essay Assignment Spring 2019 Epidemiology is evolving from tracking outbreaks caused by a virus
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The following solution is titrated and is at its equivalence point. HI + Ba(OH)2 .7 Bromothymol blue is an indicator which causes solutions to change...
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The diagram shows the outstretched arm of a gymnast who is performing an iron cross maneuver in the rings competition.
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Please read about center-of-mass in the online lecture notes (under Ch.9 Linear momentum) to prepare for this problem. Place the origin, O, at the...
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Experiment 5: Preparation of Benzoic Acid using a Grignard Reagent KIN 6N5. Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa,...
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On 1/1/09 Williams Company paid 1,200,000 for its investment in 60,000 shares of C-Company stock. C-Company has 200,000 share of stock issued.
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In the Last Decade article on airline safety, the authors consider the effect of new airlines (see p. 15) on the average risk of all airlines. This...
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Below are the two discussions questions I have to answer, I have a huge exam tomorow and that's all I want to focus on.
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