What is the boiling point of a solution prepared by dissolving 320.0 g of S8 (molar mass = 256.5 g/mol) in 1500.0 g of CCl4? (Kb = 5.05oC/m, boiling point of pure CCl4 = 76.7oC)

Consider the following reactions 2A(g) +  B(g) ⇌ D(g)   K = 0.250 C(g) ⇌ D(g)     K = 575 Use the information above to calculate the equilibrium constant for the following reaction. C(g) ⇌ 2A(g) + B(g)  K = ?

Oxygen and fluorine react to form OF2. O2(g) + F2(g) ⇌ OF2(g) K = 40 at 298 K Given the information above, calculate the equilibrium constant for the following reaction at 298 K O2(g) + 2F2(g) ⇌ 2OF2(g)  K = ?

Which of the following is true for a chemical reaction at equilibrium?

For the reaction , N2(g) + 3H2(g) → 2NH3(g), the rate of formation of NH3 is 0.345 M/s. What is the corresponding rate of disappearance of N2 ?

Human blood has a molar concentration of solutes of 0.30 M. What is the osmotic pressure of blood at 25oC in atm?  R=0.0821 (atm L)/(mol K). Show all your work and setup for credit.

What is the vapor pressure of a solution prepared by dissolving 0.75 mol of nonvolatile and nonelectrolyte solute in 95 g of ethyl alcohol, C2H5OH ? (Poethyl alcohol= 50.0 torr at 25oC )

For the reaction , N2(g) + 3H2(g) → 2NH3(g), the rate of formation of NH3 is 0.345 M/s. What is the corresponding rate of disappearance of H2 ?

Consider the following reaction: N2(g) + O2(g) → 2NO(g) If the initial concentration of N2 was 0.250 M and the concentration of N2 was 0.125 M after 0.100 s, what is the rate of the reaction?

What is the freezing point of a solution of 4.25 g of I2 (253.80 g/mol) in 50.0 g of benzene? (Freezing point of benzene = 5.5 oC, Kf for benzene = 5.12 oC/m)