1. a. d. g. Which of the following metric relationships is incorrect? 1 gram = 102 centigram b. 103 milliliters = 1 liter 10 decimeters = 1 meter e. 1 gram = 103 kilogram more than one of these are incorrect c. 1 microliter = 10-6 liters f. 1 gram = 109 nanograms 2. Consider the reaction X + Y Z. Which rate law corresponds to a zero order reaction? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 d. Rate = k [X]2 e. Rate = k 3. Consider the reaction X + Y Z. Which rate law corresponds to a reaction that is second order with respect to [Y]? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 2 d. Rate = k [X] e. Rate = k 4. Consider the reaction X + Y Z. Which rate law corresponds to reaction where halving the concentration of Y would lead to no change in the rate of the reaction? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 2 d. Rate = k [X] [Y] e. Rate = k [X] 5. Consider the reaction X + Y Z. Which rate law corresponds to a reaction where doubling both the concentration of X and Y would lead to the rate increasing by a factor of 16? a. Rate = k [Y] b. Rate = k [X]2[Y]2 c. Rate = k [X] [Y]2 2 d. Rate = k [X] e. Rate = k 6. In a reaction that is first order with respect to X and first order with respect to Y, which of the following changes will have NO effect overall on the rate? a. Doubling [X] and doubling [Y] b. Doubling [X] c. Quadrupling [Y] d. Halving [X] and doubling [Y] e. Halving [X] and halving [Y] 7. a. b. c. d. e. All the following statements about catalysts are true, EXCEPT; They provide a reaction pathway of lower activation energy They are the same at the end of a reaction as they are at the start of a reaction They change the value of Delta H for a reaction They increase the rate of both the forward and the backward reaction in an equilibrium reaction They have no effect on the amount of products formed 8. Consider the reaction X + Y Z. Which rate law corresponds to a reaction where tripling the concentration of X would lead to a tripling of the reaction rate? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 d. Rate = k [X]2 e. Rate = k 9. Consider the data below, for the reaction A + B X, what is the order with respect to A? Experiment [A] in Molarity [B] in Molarity Formation Rate of X in Ms-1 1 1 1 2 x 10-3 2 2 1 2 x 10-3 3 1 2 8 x 10-3 a. 0 b. 1 c. 2 d. 3 e. 4 f. need more information 10. Consider the same data table above, for the reaction A + B X, what is the rate law for the reaction? a. Rate = [B]2 b. Rate = k [A][B] c. Rate = k[A]2 d. Rate = k [B]2 e. Rate = k 11. Consider the same data table, for the reaction A + B X, all of the following increase the reaction rate EXCEPT: a. increasing the concentration of A b. increasing the concentration of B c. adding a catalyst d. increasing the temperature 12. Still the same data table, what is the rate constant for that rate law? a. 8 x 10-3M-1sec-1 b. 2 x 10-3M-2sec-1 -3 -2 -1 d. 1 x 10 M sec e. 8 x 10-3M-2sec-1 c. 2 x 10-3M-1sec-1 1. a. d. h. Which of the following metric relationships is incorrect? 1 gram = 102 centigram b. 103 milliliters = 1 liter 10 decimeters = 1 meter e. 1 gram = 103 kilogram more than one of these are incorrect c. 1 microliter = 10-6 liters f. 1 gram = 109 nanograms 2. Consider the reaction X + Y Z. Which rate law corresponds to a zero order reaction? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 d. Rate = k [X]2 e. Rate = k 3. Consider the reaction X + Y Z. Which rate law corresponds to a reaction that is second order with respect to [Y]? b. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 2 e. Rate = k [X] e. Rate = k 4. Consider the reaction X + Y Z. Which rate law corresponds to reaction where halving the concentration of Y would lead to no change in the rate of the reaction? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 2 d. Rate = k [X] [Y] e. Rate = k [X] 5. Consider the reaction X + Y Z. Which rate law corresponds to a reaction where doubling both the concentration of X and Y would lead to the rate increasing by a factor of 16? a. Rate = k [Y] b. Rate = k [X]2[Y]2 c. Rate = k [X] [Y]2 2 e. Rate = k [X] e. Rate = k 6. In a reaction that is first order with respect to X and first order with respect to Y, which of the following changes will have NO effect overall on the rate? a. Doubling [X] and doubling [Y] b. Doubling [X] c. Quadrupling [Y] e. Halving [X] and doubling [Y] e. Halving [X] and halving [Y] 7. a. b. c. d. e. All the following statements about catalysts are true, EXCEPT; They provide a reaction pathway of lower activation energy They are the same at the end of a reaction as they are at the start of a reaction They change the value of Delta H for a reaction They increase the rate of both the forward and the backward reaction in an equilibrium reaction They have no effect on the amount of products formed 8. Consider the reaction X + Y Z. Which rate law corresponds to a reaction where tripling the concentration of X would lead to a tripling of the reaction rate? a. Rate = k [Y] b. Rate = k [X]2[Y] c. Rate = k [X] [Y]2 e. Rate = k [X]2 e. Rate = k 9. Consider the data below, for the reaction A + B X, what is the order with respect to A? Experiment [A] in Molarity [B] in Molarity Formation Rate of X in Ms-1 1 1 1 2 x 10-3 2 2 1 2 x 10-3 3 1 2 8 x 10-3 a. 0 b. 1 c. 2 d. 3 e. 4 f. need more information 10. Consider the same data table above, for the reaction A + B X, what is the rate law for the reaction? a. Rate = [B]2 b. Rate = k [A][B] c. Rate = k[A]2 d. Rate = k [B]2 e. Rate = k 11. Consider the same data table above, for the reaction A + B X, all of the following are true EXCEPT: a. increasing the concentration of A b. increasing the concentration of B c. adding a catalyst d. increasing the temperature 12. Still the same data table, what is the rate constant for that rate law? a. 8 x 10-3M-1sec-1 b. 2 x 10-3M-2sec-1 -3 -2 -1 d. 1 x 10 M sec e. 8 x 10-3M-2sec-1 c. 2 x 10-3M-1sec-1
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