Interpretation:
Out of the given graph, that shows the correct graph for the activation energy of an endothermic reaction
Concept introduction:
Answer to Problem 15STP
Correct answer: B is correct
In graph B, there is a correct relationship between energy and progress of a reaction.
Explanation of Solution
The activation energy for an endothermic reaction is greater than that for exothermic reaction. Firstly we need to show an increase in energy from the reactants to the activated complex and then a decrease in energy from the activated complex to the product because of this activation energy. This graph shows exact relation of activation energy with progress of a reaction.
Reasons for incorrect options:
- This graph shows the activation energy for an exothermic reaction.
- This graph does not show the behavior of endothermic reaction.
- This graph does not show the behavior of endothermic reaction.
Chapter 20 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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