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Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol required to achieve this?
63mL of a 1.70 M solution is diluted to a volume of 218 mL. A 109mL portion of the solution is diluted using 117mL of water. What is the final concentration?
If one mole of ATP yields 7 kcal of energy, how much energy would be available from the anaerobic catabolism of 270 g of glucose (C6H12O6)? Show your work.
Given the reaction 4Al(s) + 3O2(g) --> 2Al2O3(s), what is the minimum number of moles of oxygen gas required to produce 1.00 mole of aluminum oxide?
What is the volume of 455 mL of oxygen gas at 67.0°C and 300. mm Hg if the conditions are adjusted to 890. mm Hg and 107°C? Assume the amount of gas is held constant.
From the composition of lignite coal, calculate the mass of sulfuric acid that could potentially form as acid rain from burning
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10-3 min- 1. How long will it take for the concentration
what is the average power (energy per unit time) in units of watts (1W = 1J/s) associated with such a pulse? b. How many photons are emitted in such a pulse?
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
12.00mL of 0.125M of HCl is required to titrate 21.55mL of Mg(OH)2. Calculate the molarity of the unknown base.
Calculate the Calorimeter Constant if 25 g of water at 50 C was added to 25 g of water at 25C with a resulting temperature of 35 C?
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