5. Draw a qualitative energy diagram for a two-step reaction with Keq >1. Assume that the first step is slower than the second step. Label fully the reactants, products, transition states, intermediate, activation energies and the net change in energy.
5. Draw a qualitative energy diagram for a two-step reaction with Keq >1. Assume that the first step is slower than the second step. Label fully the reactants, products, transition states, intermediate, activation energies and the net change in 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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![**Problem 5:**
Draw a qualitative energy diagram for a two-step reaction with Keq >1. Assume that the first step is slower than the second step. Label fully the reactants, products, transition states, intermediate, activation energies, and the net change in energy.
**Answer:**
[Create a diagram based on the following explanation.]
1. **Reactants**: Start with the initial energy level on the left side of the diagram.
2. **First Transition State**: Represent the first peak on the diagram, indicating the highest energy point for the first step.
3. **Intermediate**: Include an energy trough after the first transition state, representing a somewhat stable intermediate state.
4. **Second Transition State**: Show a second peak after the intermediate but lower than the first transition state, since the second step is faster.
5. **Products**: End with a lower energy level than the reactants, indicating an exothermic reaction and a Keq > 1.
6. **Activation Energies**: Draw arrows from the reactants to the first transition state and from the intermediate to the second transition state to depict the activation energies for each step.
7. **Net Change in Energy**: Use an arrow from the reactants to the products to indicate the overall change in energy.
**Note**: Label each part clearly on the diagram for educational purposes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb35fb7dd-68df-4d1d-8b67-4ee32796d12d%2Fa85a7897-01f0-48d7-9983-73bf7f0d21fe%2Ffddmczh_processed.png&w=3840&q=75)
Transcribed Image Text:**Problem 5:**
Draw a qualitative energy diagram for a two-step reaction with Keq >1. Assume that the first step is slower than the second step. Label fully the reactants, products, transition states, intermediate, activation energies, and the net change in energy.
**Answer:**
[Create a diagram based on the following explanation.]
1. **Reactants**: Start with the initial energy level on the left side of the diagram.
2. **First Transition State**: Represent the first peak on the diagram, indicating the highest energy point for the first step.
3. **Intermediate**: Include an energy trough after the first transition state, representing a somewhat stable intermediate state.
4. **Second Transition State**: Show a second peak after the intermediate but lower than the first transition state, since the second step is faster.
5. **Products**: End with a lower energy level than the reactants, indicating an exothermic reaction and a Keq > 1.
6. **Activation Energies**: Draw arrows from the reactants to the first transition state and from the intermediate to the second transition state to depict the activation energies for each step.
7. **Net Change in Energy**: Use an arrow from the reactants to the products to indicate the overall change in energy.
**Note**: Label each part clearly on the diagram for educational purposes.
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