Referring to this reaction coordinate diagram, what is the free energy of activation for the reaction B → A? |C reaction coordinate E A free energy
Referring to this reaction coordinate diagram, what is the free energy of activation for the reaction B → A? |C reaction coordinate E A free energy
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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Transcribed Image Text:The image presents a reaction coordinate diagram used to determine the free energy of activation for the reaction B → A.
### Diagram Explanation
- **Axes**:
- The vertical axis represents "free energy."
- The horizontal axis represents the "reaction coordinate."
- **Curve**:
- Begins at point A, goes up to an energy maximum, and then descends to point B.
- **Points**:
- A: Represents the starting state of the reaction.
- B: Represents the final state of the reaction.
- Peak of the curve represents the transition state.
### Energies
- **E**: Distance from B to the peak (transition state); represents the activation energy for the reverse reaction (B → A).
- **D**: Total energy change from A to B.
- **C**: Energy from B to base level at A.
- **Other markers (e.g., A, B)**: Not explicitly pointing to energy differences on the graph.
### Question
"Referring to this reaction coordinate diagram, what is the free energy of activation for the reaction B → A?"
### Multiple Choice Answers
- O C
- O D
- O B
- O E
- O A
The response should indicate which labeled energy change represents the free energy of activation for the reaction from B to A based on the diagram.
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