Physics Laws & Theorems
Basic

Charles's Law

At constant pressure, volume of a gas is proportional to absolute temperature.

Formula

V1T1=V2T2\frac{V_1}{T_1} = \frac{V_2}{T_2}

Variables

VVolume
TTemperature (K)

Example

Warm a balloon and it expands; cool it in liquid nitrogen and it shrinks.

Did You Know?

Heat a gas and it expands — the principle that lifts hot-air balloons.

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