Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 2RQ: Consider the following potential energy diagrams for two different reactions. Which plot represents...
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![Consider a hypothetical chemical reaction:
A+B → C+D
(In this equation A, B, C and D stand for some unknown chemical formulas.)
Here is an energy diagram for the reaction:
400-
A + B
300-
C + D
energy
200-
(k]/mol)
100-
reaction coordinate
Use the energy diagram to answer these questions.
I kJ/mol
What is the heat of reaction?
Exothermic
Is the reaction exothermic or endothermic?
Endothermic
Neither
Yes, it's kJ/mol
Can you determine the activation energy?
O No.
Can you determine the activation energy of the reverse reaction?
Yes, it's |kJ/mol
C+D -A+B
O No.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9c8ece4d-06a0-47b0-a9a0-ddb00a895f0e%2F1add5597-184a-4d13-8633-31234da07651%2Fkjlt9b_processed.png&w=3840&q=75)
Transcribed Image Text:Consider a hypothetical chemical reaction:
A+B → C+D
(In this equation A, B, C and D stand for some unknown chemical formulas.)
Here is an energy diagram for the reaction:
400-
A + B
300-
C + D
energy
200-
(k]/mol)
100-
reaction coordinate
Use the energy diagram to answer these questions.
I kJ/mol
What is the heat of reaction?
Exothermic
Is the reaction exothermic or endothermic?
Endothermic
Neither
Yes, it's kJ/mol
Can you determine the activation energy?
O No.
Can you determine the activation energy of the reverse reaction?
Yes, it's |kJ/mol
C+D -A+B
O No.
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