Name: NetID: 5. Determine the standard cell potential (in V to two decimal places) for the following redox reactions. (a) Al(s) | Al³+ (aq, 1 M) || Cu²+ (aq, 1 M) | Cu(s) (b) Al(s) + NO3(aq) + 4H+ (aq) →→→ Al³+ (aq) + NO(g) + 2H₂O(1) A: 2.00 A: 2.62
Name: NetID: 5. Determine the standard cell potential (in V to two decimal places) for the following redox reactions. (a) Al(s) | Al³+ (aq, 1 M) || Cu²+ (aq, 1 M) | Cu(s) (b) Al(s) + NO3(aq) + 4H+ (aq) →→→ Al³+ (aq) + NO(g) + 2H₂O(1) A: 2.00 A: 2.62
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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![**Title: Determining Standard Cell Potentials**
**Objective:**
Determine the standard cell potential (in two decimal places) for the given redox reactions.
**Instructions:**
1. **Reaction (a):**
\[
\text{Al(s)} \,|\, \text{Al}^{3+} \,(\text{aq, 1 M}) \,||\, \text{Cu}^{2+} \,(\text{aq, 1 M}) \,|\, \text{Cu(s)}
\]
- **Answer:** 2.00 V
2. **Reaction (b):**
\[
\text{Al(s)} + \text{NO}_3^- \,(\text{aq}) + 4\text{H}^+ \,(\text{aq}) \rightarrow \text{Al}^{3+} \,(\text{aq}) + \text{NO(g)} + 2\text{H}_2\text{O(l)}
\]
- **Answer:** 2.62 V
**Concepts Illustrated:**
- **Standard Cell Potential:** The electromotive force of a cell under standard conditions, measured in volts (V).
- **Redox Reaction:** A chemical reaction in which the oxidation states of atoms are changed. In this context, a metal is oxidized while a non-metal is reduced.
**Note:** The reactions and their respective potentials are representative of standard conditions (1 M concentration, 25°C, 1 atm pressure). Calculations are made using standard electrode potentials from a reference table.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e77b376-6a5c-4963-870c-f49a6e984799%2Feaed0ead-7afb-40d8-9702-55ae964d477c%2Fbg49vnh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Determining Standard Cell Potentials**
**Objective:**
Determine the standard cell potential (in two decimal places) for the given redox reactions.
**Instructions:**
1. **Reaction (a):**
\[
\text{Al(s)} \,|\, \text{Al}^{3+} \,(\text{aq, 1 M}) \,||\, \text{Cu}^{2+} \,(\text{aq, 1 M}) \,|\, \text{Cu(s)}
\]
- **Answer:** 2.00 V
2. **Reaction (b):**
\[
\text{Al(s)} + \text{NO}_3^- \,(\text{aq}) + 4\text{H}^+ \,(\text{aq}) \rightarrow \text{Al}^{3+} \,(\text{aq}) + \text{NO(g)} + 2\text{H}_2\text{O(l)}
\]
- **Answer:** 2.62 V
**Concepts Illustrated:**
- **Standard Cell Potential:** The electromotive force of a cell under standard conditions, measured in volts (V).
- **Redox Reaction:** A chemical reaction in which the oxidation states of atoms are changed. In this context, a metal is oxidized while a non-metal is reduced.
**Note:** The reactions and their respective potentials are representative of standard conditions (1 M concentration, 25°C, 1 atm pressure). Calculations are made using standard electrode potentials from a reference table.
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