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What is activation energy for the reaction B → A in the following diagram? R Cd D C OA

What is activation energy for the reaction B → A in the following diagram? R Cd D C OA

Chemistry
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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### Understanding Activation Energy **Question:** What is the activation energy for the reaction B → A in the following diagram? **Diagram Explanation:** The diagram is a reaction coordinate graph with energy on the vertical axis and reaction progress on the horizontal axis. The graph features a curve representing the energy changes throughout the reaction. - **Points on the graph:** - **A**: Initial energy level of reactants. - **B**: Energy at the peak of the curve, representing the transition state. - **C**: Energy level of the products. - **D**: Distance from the reactant's energy level (A) to the peak (B), indicating the activation energy. - **E**: Distance from the reactant's energy level to the product’s energy level. **Choices:** - B - D - E - C - A ### Answer: The activation energy for the reaction B → A is represented by the energy gap between points A and B on the graph, labeled as **D**. Hence, the correct answer is **D**.
Transcribed Image Text:### Understanding Activation Energy **Question:** What is the activation energy for the reaction B → A in the following diagram? **Diagram Explanation:** The diagram is a reaction coordinate graph with energy on the vertical axis and reaction progress on the horizontal axis. The graph features a curve representing the energy changes throughout the reaction. - **Points on the graph:** - **A**: Initial energy level of reactants. - **B**: Energy at the peak of the curve, representing the transition state. - **C**: Energy level of the products. - **D**: Distance from the reactant's energy level (A) to the peak (B), indicating the activation energy. - **E**: Distance from the reactant's energy level to the product’s energy level. **Choices:** - B - D - E - C - A ### Answer: The activation energy for the reaction B → A is represented by the energy gap between points A and B on the graph, labeled as **D**. Hence, the correct answer is **D**.
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The minimum energy that is required to form the product from the starting material is termed as activation energy. A graph for the progress of a reaction illustrating the activation energy for the reaction is given as,

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