Write electrochemical cell notation. Write the cell notation for an electrochemical cell consisting of an anode where Cr(s) is oxidized to Cr³+ (aq) and a cathode where H+ (aq) is reduced to H₂(g) at a platinum electrode. Assume all aqueous solutions have a concentration of 1 mol/L and gases have a pressure of 1 bar.
Write electrochemical cell notation. Write the cell notation for an electrochemical cell consisting of an anode where Cr(s) is oxidized to Cr³+ (aq) and a cathode where H+ (aq) is reduced to H₂(g) at a platinum electrode. Assume all aqueous solutions have a concentration of 1 mol/L and gases have a pressure of 1 bar.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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![**Electrochemical Cell Notation**
**Task:** Write the cell notation for an electrochemical cell consisting of an anode where Cr(s) is oxidized to Cr³⁺(aq) and a cathode where H⁺(aq) is reduced to H₂(g) at a platinum electrode. Assume all aqueous solutions have a concentration of 1 mol/L and gases have a pressure of 1 bar.
**Solution Box:**
__[Solution not provided]__
**Explanation:**
- **Anode Reaction:** Cr(s) → Cr³⁺(aq) + 3e⁻
- Chromium solid is oxidized, losing electrons.
- **Cathode Reaction:** 2H⁺(aq) + 2e⁻ → H₂(g)
- Hydrogen ions are reduced to form hydrogen gas.
- **Overall Cell Notation:**
- Represented as Cr(s) | Cr³⁺(aq) || H⁺(aq) | H₂(g) | Pt
Where:
- "|" denotes a phase boundary.
- "||" denotes the salt bridge or junction between the two half-cells.
- "Pt" indicates the platinum electrode used in the hydrogen electrode part of the cell.
**Conditions Assumed:**
- Concentration of aqueous solutions = 1 mol/L
- Pressure of gases = 1 bar](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e109430-7b34-4d38-8cab-38f4ccc5aed5%2F158f0bc0-8531-4b85-871a-fd59ad7784e8%2Fkboixlv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Electrochemical Cell Notation**
**Task:** Write the cell notation for an electrochemical cell consisting of an anode where Cr(s) is oxidized to Cr³⁺(aq) and a cathode where H⁺(aq) is reduced to H₂(g) at a platinum electrode. Assume all aqueous solutions have a concentration of 1 mol/L and gases have a pressure of 1 bar.
**Solution Box:**
__[Solution not provided]__
**Explanation:**
- **Anode Reaction:** Cr(s) → Cr³⁺(aq) + 3e⁻
- Chromium solid is oxidized, losing electrons.
- **Cathode Reaction:** 2H⁺(aq) + 2e⁻ → H₂(g)
- Hydrogen ions are reduced to form hydrogen gas.
- **Overall Cell Notation:**
- Represented as Cr(s) | Cr³⁺(aq) || H⁺(aq) | H₂(g) | Pt
Where:
- "|" denotes a phase boundary.
- "||" denotes the salt bridge or junction between the two half-cells.
- "Pt" indicates the platinum electrode used in the hydrogen electrode part of the cell.
**Conditions Assumed:**
- Concentration of aqueous solutions = 1 mol/L
- Pressure of gases = 1 bar
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