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What is AH (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 125 kJ/mol?

What is AH (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 125 kJ/mol?

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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What is AH (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 125 kJ/mol?
Transcribed Image Text:What is AH (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 125 kJ/mol?
Expert Solution
Step 1: Formula used

∆H = Ef - ER 

Where Ef = Activation energy for forward reaction 

ER = Activation energy for reverse reaction 

If  ∆H is +ve reaction is endothermic 

If ∆H is -ve reaction is exothermic 

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