Answered: 16. Consider the energy diagram for the…

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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Consider the energy diagram

Transcribed Image Text:### Energy Diagrams for Reaction AB + C → AC + B This educational material provides energy diagrams for the given chemical reaction, illustrating the energy changes during the reaction progress. #### Diagram 1 - **Axes**: - Vertical axis (E): Energy - Horizontal axis: Progress of Reaction (Rxn) - **Labels**: - **I**: Starting energy level for reactants AB + C - **II**: Peak energy point - **III**: Energy difference between II and I (Activation Energy) - **IV**: Energy difference between initial reactants and final products - **V**: Final energy level for products AC + B #### Diagram 2 - **Axes**: - Vertical axis (E): Energy - Horizontal axis: Progress of Reaction (Rxn) - **Labels**: - **I**: Starting energy level for reactants DE + F - **II**: Peak energy point - **III**: Energy difference between II and I (Activation Energy) - **IV**: Energy difference between initial reactants and final products - **V**: Final energy level for products DF + E ### Questions (a) Identify the point on diagram 1 that controls the rate of the reaction. ________________ (b) Identify the point on diagram 1 that determines the relative amounts of products and reactants that are formed in the reaction. ________________ (c) Which of the two energy diagrams corresponds to the faster reaction? ________________ (d) Identify the transition state on diagram 1. ________________ (e) Identify the activation energy on diagram 2. ________________ ### Analysis - **Diagram 1** shows an energy profile for the reaction from AB + C to AC + B. - The peak labeled **II** represents the transition state, crucial for determining reaction rates. - The energy difference denoted as **III** indicates activation energy, impacting reaction speed. - **Diagram 2** illustrates a similar energy profile for a different set of reactants and products. - The relative height of the peak (**III**) in each diagram influences which reaction is faster.

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