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7) Compounds Q and R are known to react in the gas phase to form Compound X by the following overall balanced chemical equation: 2 Q(g) + R(g) → 2X(g) The reaction kinetics have been studied experimentally and the following elementary step sequence was proposed as the reaction mechanism: Step 1: Q+R-Z (slow step, large Ea) • Step 2: Q+Z+2X (fast step, small Ea) Based upon the proposed mechanism, what would be the best way to write the rate law expression for the reaction 2 Q(g) + R(g) → 2X(g)? A. rate = k[Q]²[R] B. rate = k[Q][R] C. rate = = k[R] D. rate = k[Q] [R][Z] E. rate = k[Q][R]²

7) Compounds Q and R are known to react in the gas phase to form Compound X by the following overall balanced chemical equation: 2 Q(g) + R(g) → 2X(g) The reaction kinetics have been studied experimentally and the following elementary step sequence was proposed as the reaction mechanism: Step 1: Q+R-Z (slow step, large Ea) • Step 2: Q+Z+2X (fast step, small Ea) Based upon the proposed mechanism, what would be the best way to write the rate law expression for the reaction 2 Q(g) + R(g) → 2X(g)? A. rate = k[Q]²[R] B. rate = k[Q][R] C. rate = = k[R] D. rate = k[Q] [R][Z] E. rate = k[Q][R]²

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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7) Compounds Q and R are known to react in the gas phase to form Compound X by the following overall balanced chemical equation: 2 Q(g) + R(g) → 2X(g) The reaction kinetics have been studied experimentally and the following elementary step sequence was proposed as the reaction mechanism: Step 1: Q+R-Z (slow step, large Ea) • Step 2: Q+Z+2X (fast step, small Ea) Based upon the proposed mechanism, what would be the best way to write the rate law expression for the reaction 2 Q(g) + R(g) → 2X(g)? A. rate = k[Q]²[R] B. rate = k[Q][R] C. rate = = k[R] D. rate = k[Q] [R][Z] E. rate = k[Q][R]²
Transcribed Image Text:7) Compounds Q and R are known to react in the gas phase to form Compound X by the following overall balanced chemical equation: 2 Q(g) + R(g) → 2X(g) The reaction kinetics have been studied experimentally and the following elementary step sequence was proposed as the reaction mechanism: Step 1: Q+R-Z (slow step, large Ea) • Step 2: Q+Z+2X (fast step, small Ea) Based upon the proposed mechanism, what would be the best way to write the rate law expression for the reaction 2 Q(g) + R(g) → 2X(g)? A. rate = k[Q]²[R] B. rate = k[Q][R] C. rate = = k[R] D. rate = k[Q] [R][Z] E. rate = k[Q][R]²
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