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Mar 10
An experiment to verify Boyle's law?
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Mar 10
One way to verify Boyle's law is to conduct an experiment using a gas-filled syringe. Here is a simple experiment to verify Boyle's law:
Materials needed:
- Gas-filled syringe
- Pressure gauge
- Thermometer
- Stopwatch
- Clamp
- Water bath
Procedure:
1. Fill the syringe with a known volume of gas.
2. Measure the initial pressure and temperature of the gas in the syringe.
3. Clamp the syringe in place.
4. Immerse the syringe in a water bath to maintain a constant temperature.
5. Slowly push the plunger of the syringe to decrease the volume of the gas.
6. Measure the final pressure and temperature of the gas in the syringe.
7. Record the initial and final volume, pressure, and temperature of the gas.
Analysis:
1. Calculate the initial and final volume of the gas using the markings on the syringe.
2. Use the ideal gas law equation (PV = nRT) to calculate the initial and final number of moles of gas.
3. Plot a graph of pressure (P) versus volume (V) for the gas at constant temperature.
4. The graph should show a linear relationship, confirming Boyle's law (P1V1 = P2V2).
Conclusion:
By conducting this experiment and analyzing the data, you can verify Boyle's law, which states that the pressure of a gas is inversely proportional to its volume at constant temperature.
Materials needed:
- Gas-filled syringe
- Pressure gauge
- Thermometer
- Stopwatch
- Clamp
- Water bath
Procedure:
1. Fill the syringe with a known volume of gas.
2. Measure the initial pressure and temperature of the gas in the syringe.
3. Clamp the syringe in place.
4. Immerse the syringe in a water bath to maintain a constant temperature.
5. Slowly push the plunger of the syringe to decrease the volume of the gas.
6. Measure the final pressure and temperature of the gas in the syringe.
7. Record the initial and final volume, pressure, and temperature of the gas.
Analysis:
1. Calculate the initial and final volume of the gas using the markings on the syringe.
2. Use the ideal gas law equation (PV = nRT) to calculate the initial and final number of moles of gas.
3. Plot a graph of pressure (P) versus volume (V) for the gas at constant temperature.
4. The graph should show a linear relationship, confirming Boyle's law (P1V1 = P2V2).
Conclusion:
By conducting this experiment and analyzing the data, you can verify Boyle's law, which states that the pressure of a gas is inversely proportional to its volume at constant temperature.
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