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A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
1) Explain the chemical process that occurred in his muscle cells to cause this discomfort.
2) Explain the chemical reactions that have possibly taken place in his body after the exercise.
3) Discuss possible treatments for the freshman and how the treatment works chemically.
Calculate the free energy change for the following reaction and predict whether the reaction occurs spontaneously at 25 degrees celcius. H2(g)+CO2(g)-->H20(g)+CO(g); ?H=41.8 kJ, ?S=42.1 J/K
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
By what percentage does a dilute aqueous solution expand when heated form 15 degrees C to 25 degrees C? If a 0.5000 M solution is prepared at 15 degrees C,
It takes 49.0 J to raise the temperature of a 9.60 g piece of unknown metal from 13.0 degrees celsius to 24.5 degrees celsius. what is the specific heat for the metal?
with a density of 3.00 g/mL is mixed with a 50.0 mL sample of a pure liquid, liquid B with a density of 2.00 g/mL. What is the total volume of the mixture
concentrated aqueous hydrochloric acid, the major product obtained was 4-chloro-3,4-dimethyl-2-phenylhexane. Show the mechanism for this reaction.
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
A 2kg iron bar (c of iron is 440 J.kg .K) is heated to 80 Celsius. The bar is dipped in 5kg of water at 20 Celsius in a heat insulated container. What will be the equilibrium temperature inside the container?
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
Consider the TCA reaction that is catalyzed by alpha-ketoglutarate dehydrogenase. Which of the following accurately describes this process? Mark all that apply
Calculate the number of moles and the mass of sodium carbonate present in the mixture. (Formula weight of sodium carbonate is 106g/mol)
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
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