**Equilibrium and Electrochemistry Concepts**1. **Two Phases in Equilibrium:** - Two phases (A and B) are in equilibrium when: - \( a_A = a_B \) - \( \mu_A = \mu_B \) - \( \gamma_A = \gamma_B \) - \( P_A = P_B \)2. **Definition of an Anode:** - The anode is defined as: - a) the positive electrode - b) the negative electrode - c) the electrode where oxidation occurs **(Correct Answer)** - d) the electrode where reduction occurs3. **Galvanic Cell Reaction Spontaneity:** - For a galvanic cell: - \( E > 0 \) and the reaction is spontaneous. - **Option marked as correct: \( E < 0 \) and the reaction is not spontaneous.**4. **Units of a First-Order Rate Constant:** - The correct units for a first-order rate constant are: - M\(^0.5\) s\(^{-1}\) - **Correct Answer: s\(^{-1}\)** - M s\(^{-1}\)**Note:** The correct answers for definitions and unit-related questions are based on standard electrochemical and kinetics principles.

Answered: Image /qna-images/answer/bb8de596-6297-4d8e-9a4e-ce4762645a94.jpg

3. For a galvanic cell, E>0 and the reaction is spontaneous E<0 and the reaction is spontaneous E>0 and the reaction is not spontaneous E<0 and the reaction is not spontaneous 4. The units of a first-order rate constant are M-2 s-1 M-1 s-1 (e ba) pa on e sre terdw ( wel oi M s-l SA al

3. For a galvanic cell, E>0 and the reaction is spontaneous E<0 and the reaction is spontaneous E>0 and the reaction is not spontaneous E<0 and the reaction is not spontaneous 4. The units of a first-order rate constant are M-2 s-1 M-1 s-1 (e ba) pa on e sre terdw ( wel oi M s-l SA al

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

**Equilibrium and Electrochemistry Concepts**

1. **Two Phases in Equilibrium:**
- Two phases (A and B) are in equilibrium when:
- \( a_A = a_B \)
- \( \mu_A = \mu_B \)
- \( \gamma_A = \gamma_B \)
- \( P_A = P_B \)

2. **Definition of an Anode:**
- The anode is defined as:
- a) the positive electrode
- b) the negative electrode
- c) the electrode where oxidation occurs **(Correct Answer)**
- d) the electrode where reduction occurs

3. **Galvanic Cell Reaction Spontaneity:**
- For a galvanic cell:
- \( E > 0 \) and the reaction is spontaneous.
- **Option marked as correct: \( E < 0 \) and the reaction is not spontaneous.**

4. **Units of a First-Order Rate Constant:**
- The correct units for a first-order rate constant are:
- M\(^0.5\) s\(^{-1}\)
- **Correct Answer: s\(^{-1}\)**
- M s\(^{-1}\)

**Note:** The correct answers for definitions and unit-related questions are based on standard electrochemical and kinetics principles.

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