7. Let's consider the reaction: 2 NO(g) + 2 H2(g) → 2 H2O(g)+ N2(g) a) Explain why this reaction is unlikely to be an elementary step. b) A proposed mechanism is: Step 1: 2 NO(g) 2 N½O2(g) fast forward (k1) and reverse (k-1) Step 2: N2O2(g) + H2(g) → N2(g) + H2O2(g) slow (k2) Step 3: H2O2(g) + H2(g) → 2 H2O(g) fast (k3) Using this mechanism, determine the rate law of the reaction as a function of [NO] and [H2] c) Express the rate constant of the reaction as a function of the rate constants of the elementary steps: kı, k.1, k2, and k3

7. Let's consider the reaction: 2 NO(g) + 2 H2(g) → 2 H2O(g)+ N2(g) a) Explain why this reaction is unlikely to be an elementary step. b) A proposed mechanism is: Step 1: 2 NO(g) 2 N½O2(g) fast forward (k1) and reverse (k-1) Step 2: N2O2(g) + H2(g) → N2(g) + H2O2(g) slow (k2) Step 3: H2O2(g) + H2(g) → 2 H2O(g) fast (k3) Using this mechanism, determine the rate law of the reaction as a function of [NO] and [H2] c) Express the rate constant of the reaction as a function of the rate constants of the elementary steps: kı, k.1, k2, and k3

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 30E: The reaction 2I-(aq)+S2O82-(aq)I2(aq)+2SO42-(aq) was studied at 25C. The following results were...

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