Elementary stepArH/kJ mol-1Ea/kJ mol-1 A B 42 84 B C 63 C D A B BC Hint: Use the data to prepare a graph of the reaction profile and then answer the questions below. Your graph should be properly labelled and drawn to scale. (a) Which of the following steps has the smallest rate constant? CD A B BC (b) Which of the following steps has the largest rate constant? CD -21 A B -84 BC 42 (c) Which of the following steps is the rate determining step? C D (d) What is the enthalpy of reaction for the overall reaction? ArH= kJ mol-1
Elementary stepArH/kJ mol-1Ea/kJ mol-1 A B 42 84 B C 63 C D A B BC Hint: Use the data to prepare a graph of the reaction profile and then answer the questions below. Your graph should be properly labelled and drawn to scale. (a) Which of the following steps has the smallest rate constant? CD A B BC (b) Which of the following steps has the largest rate constant? CD -21 A B -84 BC 42 (c) Which of the following steps is the rate determining step? C D (d) What is the enthalpy of reaction for the overall reaction? ArH= kJ mol-1
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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Give typed answer a to d
Transcribed Image Text:The data below is for the reaction sequence A →→ B
C→→ D.
Elementary stepArH/kJ mol-1Ea/kJ mol-1
B
42
84
C
-21
63
A
B
C
D
A B
Hint: Use the data to prepare a graph of the reaction
profile and then answer the questions below. Your graph
should be properly labelled and drawn to scale.
(a) Which of the following steps has the smallest rate
constant?
B
CD
A B
(b) Which of the following steps has the largest rate
constant?
BC
D
-84
A B
42
(c) Which of the following steps is the rate determining
step?
BC
CD
(d) What is the enthalpy of reaction for the overall
reaction?
ArH= kJ mol-1
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