Volume of gas is inversely proportional to pressure at constant temperature.
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When mass and temperature is kept constant,
P1 V1 = P2V2
where P1 refers to the pressure of gas-1 and P2 refers to pressure 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 pressures, then you should see if Boyle’s law can be applied to solve the problem.
Points to Remember
- As pressure increases, volume decreases
- As pressure decreases, volume increases
Related Concepts:
Charle’s Law, Ideal Gas Law