When 10.0 g cholesterol was dissolved in 0.500 kg cyclohexane (C6H12, 84.18 g/mol, Kf = 20.2°C/m, Tf = 6.55°C), the freezing point of the solution was 5.50°C. What is the approximate molar mass of cholesterol?

Nitrogen-13 decays by positron emission to produce

Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? Xe(g) + 2 F2(g) → XeF4(g)

Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? Xe(g) + 2 F2(g) → XeF4(g)

The solubility product for PbCl2 is written as ________, where s is the molar solubility.

Which of the following salts does not produce a basic solution when dissolved in water?

Which pair of substances is capable of forming a buffer in aqueous solution?  

Which of the following salts does not produce a basic solution when dissolved in water?

For the reaction , the rate of the reaction in terms of the change in nitrogen concentration would be written as:

Consider the following reaction at equilibrium. What effect will reducing the volume have on the system?