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Compute the pH of a mixture of 0.25 M acetic acid CH3COOH and 0.1 M sodium acetate (CH3COO-NA+). The pKa of acetic acid is 4.76. Next, compute the pH of the same solution to which 3.5 ml of 6.05 M HCL has as well been added. Ignore the volume of the added HCL in your computation since its quantity is trivial. Utilize the Henderson-Hasselbalch equation to solve both of these problems.
Calculate the Calorimeter Constant if 25 g of water at 53C was added to 25 g of water at 25C with a resulting temperature of 35C?
Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be made into aqueous fertilizer solutions and applied to crops in a spray. what is the maximum number of water molecules that one urea molecule can hydrog..
A 91 gram solution of silver nitrate contains 8 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
Trichloroethane, C2H3Cl3, is the active ingredient in aerosols that claim to stain-proof men's ties. Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C.
when 157mg of dipentylamine was added to 122mg of benzoic acid and 2 ml of water a completey homogenous solution was
The solubility of N2 in blood at 37 oC and at a partial pressure of 0.80 atm is 5.6 X 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.1 atm. Assume that the total volume of the blood in the body is 5..
liquid nitrogen has a density of 0.807 g/ml at -195.8 C, if 1.00 L of N2 is allowed to warm to 25 C at a pressure
if 25.4 ml of 0.234 mfecl3 solution is mixed with 43.6 ml of 0.448 m naoha. what is the maximum mass in gramsof the
A 50.0 mL sample containing Cd2 and Mn2 was treated with 69.6 mL of 0.0600 M EDTA. Titration of the excess unreacted EDTA required 11.9 mL of 0.0220 M Ca2
Based on the half-reactions and their respective standard reduction potentials below, the strongest reducing agent is ________, and the strongest oxidizing agent is
consider the following reaction equlibrium concentrations and equilibrium constant at a particular temperature.
The mole fraction of water in the product gas is monitored and found to have the value calculated in part (a) for the first 10hours of operation, but then it begins to increase. What is the most likely cause of the increase? If the process continu..
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