Identify the energy diagram(s) that illustrate a slow reaction. Select all that apply. E AH AHP Reaction coordinate Reaction coordinate Ea AH AH Reaction coordinate Reaction coordinate Energy Energy Energy

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**Identify the energy diagram(s) that illustrate a slow reaction. Select all that apply.**

Each of the diagrams depicts a graph with "Reaction coordinate" on the X-axis and "Energy" on the Y-axis. The graphs represent potential energy diagrams of chemical reactions, showing both the activation energy (\(E_a\)) and the change in enthalpy (\(\Delta H^o\)).

### Diagram Descriptions:

1. **Top Left Diagram:**
   - A single peak is shown, with a large \(E_a\) marked, indicating a high energy barrier.
   - \(\Delta H^o\) is also indicated, though it is less prominent than \(E_a\).

2. **Top Right Diagram:**
   - This diagram also shows a peak; however, the \(E_a\) is smaller than in the Top Left Diagram.
   - The energy barrier is moderately high.

3. **Bottom Left Diagram:**
   - This is similar to the Top Left Diagram, with a significant \(E_a\), indicating a substantial energy barrier.

4. **Bottom Right Diagram:**
   - This diagram depicts a smaller peak, with a comparatively lower \(E_a\).
   - It also shows \(\Delta H^o\).

**Conclusion:** 
The diagrams with a larger \(E_a\) (activation energy) represent slower reactions because the energy barrier is higher and more energy is required for the reaction to proceed. Therefore, the Top Left and Bottom Left diagrams illustrate slow reactions.
Transcribed Image Text:**Identify the energy diagram(s) that illustrate a slow reaction. Select all that apply.** Each of the diagrams depicts a graph with "Reaction coordinate" on the X-axis and "Energy" on the Y-axis. The graphs represent potential energy diagrams of chemical reactions, showing both the activation energy (\(E_a\)) and the change in enthalpy (\(\Delta H^o\)). ### Diagram Descriptions: 1. **Top Left Diagram:** - A single peak is shown, with a large \(E_a\) marked, indicating a high energy barrier. - \(\Delta H^o\) is also indicated, though it is less prominent than \(E_a\). 2. **Top Right Diagram:** - This diagram also shows a peak; however, the \(E_a\) is smaller than in the Top Left Diagram. - The energy barrier is moderately high. 3. **Bottom Left Diagram:** - This is similar to the Top Left Diagram, with a significant \(E_a\), indicating a substantial energy barrier. 4. **Bottom Right Diagram:** - This diagram depicts a smaller peak, with a comparatively lower \(E_a\). - It also shows \(\Delta H^o\). **Conclusion:** The diagrams with a larger \(E_a\) (activation energy) represent slower reactions because the energy barrier is higher and more energy is required for the reaction to proceed. Therefore, the Top Left and Bottom Left diagrams illustrate slow reactions.
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