**Experiment Overview: Reaction of Aluminum Carbide with Water** Aluminum carbide (Al₄C₃) reacts with water to produce methane gas according to the equation below. A sample containing Al₄C₃ is placed into a flask containing water. The gas produced is collected by the downward displacement of water. 380.0 mL of gas are collected at a temperature of 35.00°C and an atmospheric pressure of 730.8 torr. \[ \text{Al}_4\text{C}_3 (s) + 12 \text{H}_2\text{O} (l) \rightarrow 4 \text{Al(OH)}_3 (s) + 3 \text{CH}_4 (g) \] **Steps:** 1. **Calculate the Pressure of CH₄ Gas:** - The measured pressure is calculated to be 0.91 atm. 2. **Determine the Mass of Aluminum Carbide:** - The original sample contains 0.66 grams of Al₄C₃. 3. **Find the Mole Fraction of CH₄ Gas:** - This will be calculated in the final collected gas mixture. **Graph Explanation: Vapor Pressure of Water** The table shows the vapor pressure of water at different temperatures: - At 0.0°C, the vapor pressure is 4.6 torr. - At 10.0°C, it is 9.2 torr. - At 20.0°C, it is 17.5 torr. - At 25.0°C, it is 23.8 torr. - At 30.0°C, it is 31.8 torr. - At 35.0°C, it is 42.2 torr. This information is used to adjust for the vapor pressure when calculating gas production from a water displacement setup. The increase in vapor pressure with temperature is shown in the table, which is essential for accurate pressure measurements in experiments involving gas collection over water.
**Experiment Overview: Reaction of Aluminum Carbide with Water** Aluminum carbide (Al₄C₃) reacts with water to produce methane gas according to the equation below. A sample containing Al₄C₃ is placed into a flask containing water. The gas produced is collected by the downward displacement of water. 380.0 mL of gas are collected at a temperature of 35.00°C and an atmospheric pressure of 730.8 torr. \[ \text{Al}_4\text{C}_3 (s) + 12 \text{H}_2\text{O} (l) \rightarrow 4 \text{Al(OH)}_3 (s) + 3 \text{CH}_4 (g) \] **Steps:** 1. **Calculate the Pressure of CH₄ Gas:** - The measured pressure is calculated to be 0.91 atm. 2. **Determine the Mass of Aluminum Carbide:** - The original sample contains 0.66 grams of Al₄C₃. 3. **Find the Mole Fraction of CH₄ Gas:** - This will be calculated in the final collected gas mixture. **Graph Explanation: Vapor Pressure of Water** The table shows the vapor pressure of water at different temperatures: - At 0.0°C, the vapor pressure is 4.6 torr. - At 10.0°C, it is 9.2 torr. - At 20.0°C, it is 17.5 torr. - At 25.0°C, it is 23.8 torr. - At 30.0°C, it is 31.8 torr. - At 35.0°C, it is 42.2 torr. This information is used to adjust for the vapor pressure when calculating gas production from a water displacement setup. The increase in vapor pressure with temperature is shown in the table, which is essential for accurate pressure measurements in experiments involving gas collection over water.
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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![**Experiment Overview: Reaction of Aluminum Carbide with Water**
Aluminum carbide (Al₄C₃) reacts with water to produce methane gas according to the equation below. A sample containing Al₄C₃ is placed into a flask containing water. The gas produced is collected by the downward displacement of water. 380.0 mL of gas are collected at a temperature of 35.00°C and an atmospheric pressure of 730.8 torr.
\[ \text{Al}_4\text{C}_3 (s) + 12 \text{H}_2\text{O} (l) \rightarrow 4 \text{Al(OH)}_3 (s) + 3 \text{CH}_4 (g) \]
**Steps:**
1. **Calculate the Pressure of CH₄ Gas:**
- The measured pressure is calculated to be 0.91 atm.
2. **Determine the Mass of Aluminum Carbide:**
- The original sample contains 0.66 grams of Al₄C₃.
3. **Find the Mole Fraction of CH₄ Gas:**
- This will be calculated in the final collected gas mixture.
**Graph Explanation: Vapor Pressure of Water**
The table shows the vapor pressure of water at different temperatures:
- At 0.0°C, the vapor pressure is 4.6 torr.
- At 10.0°C, it is 9.2 torr.
- At 20.0°C, it is 17.5 torr.
- At 25.0°C, it is 23.8 torr.
- At 30.0°C, it is 31.8 torr.
- At 35.0°C, it is 42.2 torr.
This information is used to adjust for the vapor pressure when calculating gas production from a water displacement setup. The increase in vapor pressure with temperature is shown in the table, which is essential for accurate pressure measurements in experiments involving gas collection over water.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84186bc2-6e00-4218-9d6f-4466fad59b2d%2F28e49ed7-5c29-4aa0-acd2-db799768582a%2Fuqcl3yb.jpeg&w=3840&q=75)
Transcribed Image Text:**Experiment Overview: Reaction of Aluminum Carbide with Water**
Aluminum carbide (Al₄C₃) reacts with water to produce methane gas according to the equation below. A sample containing Al₄C₃ is placed into a flask containing water. The gas produced is collected by the downward displacement of water. 380.0 mL of gas are collected at a temperature of 35.00°C and an atmospheric pressure of 730.8 torr.
\[ \text{Al}_4\text{C}_3 (s) + 12 \text{H}_2\text{O} (l) \rightarrow 4 \text{Al(OH)}_3 (s) + 3 \text{CH}_4 (g) \]
**Steps:**
1. **Calculate the Pressure of CH₄ Gas:**
- The measured pressure is calculated to be 0.91 atm.
2. **Determine the Mass of Aluminum Carbide:**
- The original sample contains 0.66 grams of Al₄C₃.
3. **Find the Mole Fraction of CH₄ Gas:**
- This will be calculated in the final collected gas mixture.
**Graph Explanation: Vapor Pressure of Water**
The table shows the vapor pressure of water at different temperatures:
- At 0.0°C, the vapor pressure is 4.6 torr.
- At 10.0°C, it is 9.2 torr.
- At 20.0°C, it is 17.5 torr.
- At 25.0°C, it is 23.8 torr.
- At 30.0°C, it is 31.8 torr.
- At 35.0°C, it is 42.2 torr.
This information is used to adjust for the vapor pressure when calculating gas production from a water displacement setup. The increase in vapor pressure with temperature is shown in the table, which is essential for accurate pressure measurements in experiments involving gas collection over water.
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