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I need help with my science home work lol
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Grignard reagent Normal 0 false false false EN-IE X-NONE AR-SA /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-st
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The question is in the file attached below
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What intermolecular force is broken when CH3OH boils?
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Chemistry
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Chemistry questio.
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Chemistry
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A student was asked to determine the purity of a contaminated sample of Ammonium chloride. A sample of 5.0 g was warmed with 100 cm3of 1.00mol dm-3sodium hydroxide solution. After all the ammonia h
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QUESTION 1 research the causes of coronary artery disease. On the basis of your research, respond to the following: tate the chemical composition of the sterol present in high levels in most people w
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I don’t know what to do
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Chemistry
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What number of atoms are in 3.89 mols of No2?
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Chemistry
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Using the 694 nm ruby laser, the doctor would appy a 80 nanosecond pulse with an energy of 4 J/cm^2 to a spot size of 8 mm^2, how many photons per second are being emitted from the laser?
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I don't understand how to interpret my results.
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Please help
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Chemistry
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QUESTION 1 What is lactated dehydrogenase, and how is it used in the reduction of carbonyl groups?Explain the manner in which the isoenzymes of LDH can be used as diagnostic tools. Choose one other di
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Chemistry
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How many miles of A3B2 would be produced from 20 moles of AD, if CB was in excess?
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7) The balanced homogeneous vapor-phase reaction, A + B <→X+Y, has an equilibrium constant, Ke, equal to 997 at 472 K. At equilibrium a) products predominate b) reactants predominate c) roughly eq
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what is the volume of a liquid that has a specific gravity of 1.6 and a mass of 145g? the answer is 90.6 mL but I’m wondering why is it in 3 sig Fig shouldnt it be 91 because specific gravity has 2
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Go to the Slightly Soluble Salts tab. Choose a salt from the dropdown menu to the right. Mouse over the salt shaker and move your mouse up and down while clicking the left mouse button to add the salt
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I need help answering questions 1-7. I have provided all the data needed
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Chemistry
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Draw line bond structure of 7-bromo-4,6-dichloro-2,5-dimethylnonane
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Chemistry
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The rate constant k for a certain reaction is measured at two different temperatures: Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy Ea for this reaction. Rou
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I would like to make a formal report for my organic chemistry experiment.
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Please help me with this biochemistry assignment. Thank you!
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Chemistry
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1.What are the basic features of ionic and covalent bond? 2. How does electronegativity determine bond polarity? 3. Distinguish clearly between ionic and molecular substances. 4. Why is resonance an
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Chemistry
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In the reaction A → products, at t = 0, [A] = 0.1565 M. After 1.00 minute, [A] = 0.1498 M and after 2.00 minutes, [A] = 0.1433. (a) calculate the average rate of the reaction during the first minute
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3-ethyl-4-methylhexa-1,3-diene undergoes a combustion reaction. For this reaction, the following concentrations were used: [O2] = 0.06 M, [CO2] = 0.09 M and [H2O] = 0.10 M. Determine the concentra
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I would like to get help to make formal report of this experiment.
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Chemistry
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question 1 What are the differences between alkanes, alkenes and alkynes?What are the differences between cis- and trans-isomers of alkenes?How are cis-trans isomers used for night vision?c question
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Can you help me find Q? Thank you!
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I need help on doing this chemistry assignment, i dont even know where to start.
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Chemistry
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If 75.0 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.640 g of precipitate, what is the molarity of silver ion in the original solution?
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Chemistry
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Calculate the mass (in pounds) of carbon dioxide and carbon monoxide emitted by burning a gallon of gasoline. Although gasoline is a mixture of many components, simplify the calculation assuming the g
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Why do temperature, velocity, and smoke concentration affect firefighting?
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Chemistry
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Why do temperature, velocity, and smoke concentration affect firefighting?
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complete the reaction showing major projects.
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Chemistry
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15cc of liquid elemental mercury, how much would that weigh in pounds?
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Chemistry
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Question 1 Why and how does atomic nuclear decay take place? Explain, being sure to address different types of decay.What is the significance of atomic nuclear decay? (How is it used to our advantage?
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Create slides of 5-6 pages excluding title for a 5 pages research journal
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Instructions are in the attach files: please complete the assignment as being asking to.
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this is my lab from my chemistry class, Can you help me with this.
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Chemistry
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When heavy metals such as lead (Pb), mercury (Hg), cadmium (Cd) and arsenic (As) build up in the body they can become toxic. Chelation therapy is a useful tool to treat heavy metal poisoning. In this
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Chemistry
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the Internet, research acids, bases, and salts that are used in therapeutic processes. On the basis of your research, respond to the following: Define an acid, base, and salt as they apply to chemistr
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Question 1 What is the difference between biochemical, pharmaceutical, and diagnostic chemical reactions?What is a specific example that exists for each and why might they be important to healthcare p
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all of themm I don’t understand
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I need help with my chem hw. asap
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How to do the assignment
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Chemistry
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Discussion Question 1 Using the Internet, research any one element. On the basis of your research, provide: An analysis of the properties of the neutral atom and its most common ion.An explanation of
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Physical Chem: Statistical Mechanics Homework. Need problems worked out.
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Your Styrofoam cup weighs 6 grams. You put some water in it, and the partly filled cup now weighs 91 grams. The water's temperature is 18°C. A large glass marble that weighs 35 grams is moved from boi
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This graph shows a decay chain. It would likely be most difficult to collect a sample of which isotope? Pb-206 Po-214 U-234 Ra-226
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I need someone who can help with natural log logarithms and chemistry. I only have two hours to do it so items will be sent and I will need them back within two hours from the time sent. I would e
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Chemistry
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