Answered: For a reaction that has reasonable…

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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Question

Transcribed Image Text:**Question** For a reaction that has reasonable pathways shown via the energy diagram below leading to 3 different products: Which product would be favored under irreversible conditions at -78°C? **Energy Diagram Explanation** The diagram illustrates the energy profile of a reaction proceeding from reactant A to three distinct products: B, C, and D. - The vertical axis represents Gibbs free energy (G), with lower values signifying more stable products. - The horizontal axis represents the reaction coordinate, showing the progression of the reaction. **Pathways and Products** - **Pathway to B**: Has an intermediate energy peak and results in the product B with a moderate energy level. - **Pathway to C**: Follows a similar initial curve but ends at a slightly lower energy than B. - **Pathway to D**: Drops to the lowest energy level, indicating that D is the most stable product. **Irreversible Conditions** Under irreversible conditions at -78°C, the most stable product (lowest energy) is favored. Thus, product D is expected to be favored as it has the lowest final energy. **Multiple Choice** - ○ A - ○ B - ○ C - ● D (Correct Answer)

Expert Solution

Step 1

The composition of the product mixture of thermodynamic reaction control or kinetic reaction control reactions can be controlled by the reaction temperature.