10. If the equilibrium is established by initially adding 0.10 mol each of A and B to a 1L container, then which of the following must be true once the mixture achieves equilibrium?

A + 2B <=>2C K = 320

47. For the reaction diagram shown, which of the following statements is true?

43. The following energy profiles for four different reactions are shown. Which reaction is the most endothermic?

41. Which point as labeled by an asterisk (*) on the following energy profile is the transition state?

46. The energy needed for a reaction to proceed from reactants to products is called __________

52. Increasing the temperature of an endothermic reaction results in __________

28. For the following hypothetical equilibrium, what is the value of the equilibrium constant if the concentrations at equilibrium are as shown?

7. The equilibrium constant for the formation of hydrogen iodide from hydrogen and iodine is 45 at a certain temperature.

H2(g) + I2(s) <=> 2 HI(g) K = 45.

Which of the following is true regarding this equilibrium?

I. The reaction is product favored.

II. The reaction is reactant favored.

III. Equilibrium lies to the right.

IV. Equilibrium lies to the left.

2. Which of the following is true regarding the concentration of products, for a chemical reaction that is already at equilibrium, assuming no disruptions to the equilibrium?

Many reactions occur in the formation of photochemical smog, including the reaction of ozone with various volatile organic chemicals, or VOCs. The table in the next column shows the Arrhenius expression for four such reactions.

Identify the highest activation energy (kJ/mol) among the Arrhenius equations above.