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Volume of gas is directly proportional to temperature at constant pressure.
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At constant pressure,
V1/T1 = V2/T2
where T1 refers to the temperature of gas-1 and T2 refers to temperature of gas-2, V1 refers to the volume of gas-1 and V2 refers to the volume of the gas-2. When you get problems which contain two volumes or two temperatures, then you should see if Charle’s law can be applied to solve the problem.
Points to Remember:
- When Temperature increases, volume increases
- When Temperature decreases, volume decreases
- When temperature increases, the average kinetic energy of the gas particles will increase. The air molecule move faster and collide with the wall of the container more vigorously at higher frequency. As a result, the space between the gas particles increases and the volume of the gas increases.
Related Concepts
Topics: States of Matter Gases and Liquids (12)Subject: Chemistry (2512)
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