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In Pressure-Volume Relationship in Gases, describe the ease of moving the piston and maintaining the volume with respect to the volume of the gas in the syringe. Suggest an explanation for your observations.
Accepted Answer
Ease of Moving the Piston:
- Small Volume: When the volume of gas in the syringe is small, the piston can be moved easily because there is less gas pressure acting on it.
- Large Volume: As the volume of gas in the syringe increases, the piston becomes harder to move because the increased gas pressure exerts more force on the piston.
Maintaining the Volume:
- Small Volume: Maintaining a constant volume in a small-volume syringe is relatively easy because the piston does not need to be moved much to make a significant change in volume.
- Large Volume: Maintaining a constant volume in a large-volume syringe is more challenging because even a small movement of the piston can result in a significant change in volume.
Explanation:
The pressure-volume relationship in gases, known as Boyle's Law, states that the pressure of a gas is inversely proportional to its volume at a constant temperature. This means that as the volume of a gas increases, its pressure decreases, and vice versa. Therefore, the ease of moving the piston and maintaining the volume in a syringe is directly related to the volume of gas in the syringe.
- Small Volume: When the volume of gas in the syringe is small, the piston can be moved easily because there is less gas pressure acting on it.
- Large Volume: As the volume of gas in the syringe increases, the piston becomes harder to move because the increased gas pressure exerts more force on the piston.
Maintaining the Volume:
- Small Volume: Maintaining a constant volume in a small-volume syringe is relatively easy because the piston does not need to be moved much to make a significant change in volume.
- Large Volume: Maintaining a constant volume in a large-volume syringe is more challenging because even a small movement of the piston can result in a significant change in volume.
Explanation:
The pressure-volume relationship in gases, known as Boyle's Law, states that the pressure of a gas is inversely proportional to its volume at a constant temperature. This means that as the volume of a gas increases, its pressure decreases, and vice versa. Therefore, the ease of moving the piston and maintaining the volume in a syringe is directly related to the volume of gas in the syringe.
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