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Question 34 10. Which ONE of the following explains how temperature affects the kinetics of a reaction? Selected Answer: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. Answers: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. higher temperature favors the most stable substance. higher temperature reduces the energy barrier. higher temperature yields a higher probability of correct orbital overlap. higher temperature increases the energy barrier. Question 35 3c. Consider the reaction 2 A(aq) + D(aq) -> P(aq) +Q(aq) with rate law: rate = k(A][D]. Suppose the reaction is initially conducted as a 10.0 mL solution. If an additional 20 mL of water are added, what happens, if anything, to the rate? Selected Answer: no change to the rate. Answers: rate increases by a factor of 9 rate increases by a factor of 3 rate decreases by a factor of 3 rate decreases by a factor of 9 no change to the rate. Question 36 7b. Consider a reaction with rate law: rate = k[BrO3Br]H?. If the molarity of all reactants are decreased bya factor of 2 . Selected Answer: e rate decreases by a factor of 16 Answers: rate increases by a factor of 16 rate increases by a factor of 8

Question 34 10. Which ONE of the following explains how temperature affects the kinetics of a reaction? Selected Answer: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. Answers: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. higher temperature favors the most stable substance. higher temperature reduces the energy barrier. higher temperature yields a higher probability of correct orbital overlap. higher temperature increases the energy barrier. Question 35 3c. Consider the reaction 2 A(aq) + D(aq) -> P(aq) +Q(aq) with rate law: rate = k(A][D]. Suppose the reaction is initially conducted as a 10.0 mL solution. If an additional 20 mL of water are added, what happens, if anything, to the rate? Selected Answer: no change to the rate. Answers: rate increases by a factor of 9 rate increases by a factor of 3 rate decreases by a factor of 3 rate decreases by a factor of 9 no change to the rate. Question 36 7b. Consider a reaction with rate law: rate = k[BrO3Br]H?. If the molarity of all reactants are decreased bya factor of 2 . Selected Answer: e rate decreases by a factor of 16 Answers: rate increases by a factor of 16 rate increases by a factor of 8

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 34 10. Which ONE of the following explains how temperature affects the kinetics of a reaction? Selected Answer: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. Answers: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. higher temperature favors the most stable substance. higher temperature reduces the energy barrier. higher temperature yields a higher probability of correct orbital overlap. higher temperature increases the energy barrier. Question 35 3c. Consider the reaction 2 A(aq) + D(aq) -> P(aq) + Q(aq) with rate law: rate = k[A][D]. Suppose the reaction is initially conducted as a 10.0 mL solution. If an additional 20 mL of water are added, what happens, if anything, to the rate? Selected Answer: no change to the rate. Answers: rate increases by a factor of 9 rate increases by a factor of 3 rate decreases by a factor of 3 rate decreases by a factor of 9 no change to the rate. Question 36 7b. Consider a reaction with rate law: rate = k[BrO3Br]H?. If the molarity of all reactants are decreased bya factor of 2 . Selected Answer: e rate decreases by a factor of 16 Answers: rate increases by a factor of 16 rate increases by a factor of 8 rate increases by a factor of 2
Transcribed Image Text:Question 34 10. Which ONE of the following explains how temperature affects the kinetics of a reaction? Selected Answer: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. Answers: o higher temperature increases the frequency of collisions and increases the ratio of collisions with sufficient energy. higher temperature favors the most stable substance. higher temperature reduces the energy barrier. higher temperature yields a higher probability of correct orbital overlap. higher temperature increases the energy barrier. Question 35 3c. Consider the reaction 2 A(aq) + D(aq) -> P(aq) + Q(aq) with rate law: rate = k[A][D]. Suppose the reaction is initially conducted as a 10.0 mL solution. If an additional 20 mL of water are added, what happens, if anything, to the rate? Selected Answer: no change to the rate. Answers: rate increases by a factor of 9 rate increases by a factor of 3 rate decreases by a factor of 3 rate decreases by a factor of 9 no change to the rate. Question 36 7b. Consider a reaction with rate law: rate = k[BrO3Br]H?. If the molarity of all reactants are decreased bya factor of 2 . Selected Answer: e rate decreases by a factor of 16 Answers: rate increases by a factor of 16 rate increases by a factor of 8 rate increases by a factor of 2
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