HCI(g) can be synthesized from H,(g) and Cl,(g) as represented above. A student studying the kinetics of the reaction proposes the following mechanism. AH = 242 kJ/mol, AH = 4 kJ/mol, -432 kJ/mol, 2 Cl(g) (slow) Step 1: Cl,(g) Step 2: H,(g) + CI(g) HCI(g) + H(g) Step 3: H(g) + Cl(g) HCI(g) (fast) (fast) AH 42. Which of the following statements identifies the greatest single reason that the value of K, for the overall reaction at 298 K has such a large magnitude? (A) The activation energy for step I of the mechanism is large and positive. (B) The activation energy for step 2 of the mechanism is small and positive. (C) The value of AS for the overall reaction is small and positive. (D) The value of AH° for the overall reaction is large and negative.

HCI(g) can be synthesized from H,(g) and Cl,(g) as represented above. A student studying the kinetics of the reaction proposes the following mechanism. AH = 242 kJ/mol, AH = 4 kJ/mol, -432 kJ/mol, 2 Cl(g) (slow) Step 1: Cl,(g) Step 2: H,(g) + CI(g) HCI(g) + H(g) Step 3: H(g) + Cl(g) HCI(g) (fast) (fast) AH 42. Which of the following statements identifies the greatest single reason that the value of K, for the overall reaction at 298 K has such a large magnitude? (A) The activation energy for step I of the mechanism is large and positive. (B) The activation energy for step 2 of the mechanism is small and positive. (C) The value of AS for the overall reaction is small and positive. (D) The value of AH° for the overall reaction is large and negative.

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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