Calculate the AH, AS, and AG at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) →2 AlCl3(s) + 3 CO(g) a) AH° 40-64 ✓ kJ/mol b) AS 40 76.9 c) AGO 49-89 ✓ J/K-mol ✔ kJ/mol (Determine from the temperature, AH and AS) (g) Estimate the value of K at 600 K. 5.59e7 X (Please answer to 3 significant figures.)
Calculate the AH, AS, and AG at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) →2 AlCl3(s) + 3 CO(g) a) AH° 40-64 ✓ kJ/mol b) AS 40 76.9 c) AGO 49-89 ✓ J/K-mol ✔ kJ/mol (Determine from the temperature, AH and AS) (g) Estimate the value of K at 600 K. 5.59e7 X (Please answer to 3 significant figures.)
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
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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![**Calculation of ΔH°, ΔS°, and ΔG°**
**Reaction**:
\[ \text{Al}_2\text{O}_3 (\text{s}) + 3 \text{C} (\text{graphite}) + 3 \text{Cl}_2 (\text{g}) \rightarrow 2 \text{AlCl}_3 (\text{s}) + 3 \text{CO} (\text{g}) \]
**Using thermodynamic values**, calculate the following:
1. **ΔH°** (kJ/mol): -64
2. **ΔS°** (J/K·mol): 76.9
3. **ΔG°** (kJ/mol): -89
Calculate the thermodynamic properties based on the provided table and determine the answer from temperature-based values.
**Estimation Task**:
(g) Estimate the value of K at 600 K:
Provided answer: 5.59e7 (Note the incorrect feedback).
### Thermodynamic Data Table
The table is organized by elements and compounds, displaying their thermodynamic values:
- **Substance**: Name and phase
- **ΔHf° (kJ/mol)**: Standard enthalpy of formation
- **ΔGf° (kJ/mol)**: Standard free energy of formation
- **S° (J/mol·K)**: Standard entropy
**Selected Thermodynamic Values:**
- **Aluminum**:
- AlCl3(s): ΔHf° = -704.2, ΔGf° = -628.8, S° = 110.7
- Al₂O₃(s): ΔHf° = -1676, ΔGf° = -1582, S° = 50.92
- **Carbon**:
- C(graphite): ΔHf° = 0, ΔGf° = 0, S° = 5.74
- CO(g): ΔHf° = -110.5, ΔGf° = -137.2, S° = 197.9
- **Chlorine**:
- Cl2(g): ΔHf° = 0, ΔGf° = 0, S° = 223.0
**Additional Data**:
- **Iodine**: I2(g): ΔHf° = 62.438](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F61ff295b-afd4-43c3-8ed2-2cc17b9c2249%2F5b05ab0c-d36a-4458-bfb4-2a6183394b8c%2Fmpukdh_processed.png&w=3840&q=75)
Transcribed Image Text:**Calculation of ΔH°, ΔS°, and ΔG°**
**Reaction**:
\[ \text{Al}_2\text{O}_3 (\text{s}) + 3 \text{C} (\text{graphite}) + 3 \text{Cl}_2 (\text{g}) \rightarrow 2 \text{AlCl}_3 (\text{s}) + 3 \text{CO} (\text{g}) \]
**Using thermodynamic values**, calculate the following:
1. **ΔH°** (kJ/mol): -64
2. **ΔS°** (J/K·mol): 76.9
3. **ΔG°** (kJ/mol): -89
Calculate the thermodynamic properties based on the provided table and determine the answer from temperature-based values.
**Estimation Task**:
(g) Estimate the value of K at 600 K:
Provided answer: 5.59e7 (Note the incorrect feedback).
### Thermodynamic Data Table
The table is organized by elements and compounds, displaying their thermodynamic values:
- **Substance**: Name and phase
- **ΔHf° (kJ/mol)**: Standard enthalpy of formation
- **ΔGf° (kJ/mol)**: Standard free energy of formation
- **S° (J/mol·K)**: Standard entropy
**Selected Thermodynamic Values:**
- **Aluminum**:
- AlCl3(s): ΔHf° = -704.2, ΔGf° = -628.8, S° = 110.7
- Al₂O₃(s): ΔHf° = -1676, ΔGf° = -1582, S° = 50.92
- **Carbon**:
- C(graphite): ΔHf° = 0, ΔGf° = 0, S° = 5.74
- CO(g): ΔHf° = -110.5, ΔGf° = -137.2, S° = 197.9
- **Chlorine**:
- Cl2(g): ΔHf° = 0, ΔGf° = 0, S° = 223.0
**Additional Data**:
- **Iodine**: I2(g): ΔHf° = 62.438
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