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1) Write the equilibrium constant expression for the reaction : 3A + B <-> 2C 2) Calculate Kc for the above reaction if [A] = 6.1 x 10^(-3) M; [B] = 3.9 x 10^(-1) M; and [C] = 5.0 x 10^(-5) M at equilibrium.
Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?
Patients with a high body temperature are often given "alcohol baths." The heat of vaporization of isopropyl alcohol (rubbing alcohol) is 159 cal/g. How much heat is removed from the skin by the evaporation of 190g about 1/2 cup) of isopropyl alco..
CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased. The volume of the container is decreased.
which the excess HClO4 was back-titrated with 8.72-mL of 0.3045 M NaOH using bromocresol green as an indicator. What is the concentration of the perchloric acid solution?
The Ksp of AgCl at 25oC is 1.0 x 10^-10. Calculate the concentrations fo Ag+ and Cl- in a saturated solution of AgCl, and the molar solubility of AgCl.
249g of ice at 265K is mixed with 101g of water at 304K. Calculate the final temperature of the mixture. Assume that no energy in the form of heat is transferred to the environment
For each of the following processes, indicate whether the signs of S and H are expected to be positive, negative, or about zero.
Unknown Q is determined to have a molecular formula of C6H12O. Q is not optically active, and passing it through a chiral column does not separate it into enantiomers.
The natural abundance of c-14 in all living things is 1ppt. The half life of c-14 is 5,730 year (+/- 40 years). How old is something (+/-) that is found to have
what weigh tof CaCO3 is required to completely react 135 ml of a 0.665M solution. Must show set up.
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
At 570. mm Hg and 25C, a gas sample has a volume of 2270 mL. What is the final pressure (in mm Hg) at a volume of 1250 mL and a temp of 175C?
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