Potential energy 1. Use the labels on the potential energy diagram below (a-f) to answer the following questions. (d) (b) (c) (e) (a) Reaction coordinate (X + Y Z) 1. Which letter on the diagram represents the potential energy of the products?. 2. Which letter indicates the potential energy of the reactants? 3. Which letter indicates the activation energy? – svboslo vons dodsd 4. Which letter indicates the overall free energy change of reaction? 5. Is the reaction exergonic or endergonic? 6. Which letter indicates the activation energy of the reverse reaction?

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**Title: Understanding Potential Energy Diagrams in Chemical Reactions**

This educational section addresses the potential energy diagram for a chemical reaction. Below the diagram, several questions refer to various aspects of the diagram's interpretation.

### Questions:

1. Which letter on the diagram represents the potential energy of the products?
2. Which letter indicates the potential energy of the reactants?
3. Which letter indicates the activation energy?
4. Which letter indicates the overall free energy change of reaction?
5. Is the reaction exergonic or endergonic?
6. Which letter indicates the activation energy of the reverse reaction?

### Diagram Description:

The diagram plots **Potential Energy** on the y-axis against **Reaction Coordinate** on the x-axis. It visually represents the energy changes during a chemical reaction.

- **Point A**: Indicates the potential energy level of the reactants.
- **Point B**: Shows the peak of the diagram, representing the transition state and indicating the activation energy required for the reaction.
- **Point C**: Marks the potential energy level of the products.
- **Distance X**: Represents the activation energy from reactants to the transition state.
- **Distance Y**: Illustrates the overall free energy change from reactants to products.
- **Distance Z**: Refers to the reverse reaction's activation energy from products to the transition state.

The overarching shape of the diagram shows an initial rise to a peak, followed by a drop to a lower energy level, indicating the release of energy (exergonic reaction) as the products form from the reactants.
Transcribed Image Text:**Title: Understanding Potential Energy Diagrams in Chemical Reactions** This educational section addresses the potential energy diagram for a chemical reaction. Below the diagram, several questions refer to various aspects of the diagram's interpretation. ### Questions: 1. Which letter on the diagram represents the potential energy of the products? 2. Which letter indicates the potential energy of the reactants? 3. Which letter indicates the activation energy? 4. Which letter indicates the overall free energy change of reaction? 5. Is the reaction exergonic or endergonic? 6. Which letter indicates the activation energy of the reverse reaction? ### Diagram Description: The diagram plots **Potential Energy** on the y-axis against **Reaction Coordinate** on the x-axis. It visually represents the energy changes during a chemical reaction. - **Point A**: Indicates the potential energy level of the reactants. - **Point B**: Shows the peak of the diagram, representing the transition state and indicating the activation energy required for the reaction. - **Point C**: Marks the potential energy level of the products. - **Distance X**: Represents the activation energy from reactants to the transition state. - **Distance Y**: Illustrates the overall free energy change from reactants to products. - **Distance Z**: Refers to the reverse reaction's activation energy from products to the transition state. The overarching shape of the diagram shows an initial rise to a peak, followed by a drop to a lower energy level, indicating the release of energy (exergonic reaction) as the products form from the reactants.
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