Answered: 4 2 3 1 Reaction progress Energy

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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from the diagram name what 1-4 is using the answer choices

Transcribed Image Text:The graph displayed is an energy profile diagram for a chemical reaction. This diagram is pivotal in understanding the changes in energy that occur during the course of a reaction, illustrating both the energy absorbed and released. - **X-axis (Reaction progress):** This axis represents the progression of the chemical reaction from reactants to products. - **Y-axis (Energy):** This axis indicates the energy level associated with the reactants, products, and the transition state. **Key Components:** 1. **Reactants (Box 1):** This section depicts the initial energy level of the reactants before the reaction begins. 2. **Activation Energy (Box 2):** The difference between the energy of the reactants and the peak of the curve. This energy barrier must be overcome for the reaction to proceed. 3. **Energy of Reaction (Box 3):** The difference in energy between the products and the reactants. It represents the overall energy change of the reaction. 4. **Products (Box 4):** This section shows the final energy level of the products after the reaction has occurred. The curve's peak indicates the transition state, where the highest energy is required. The graph is crucial for visualizing how catalysts can lower activation energy and for understanding concepts such as endothermic and exothermic reactions.