Themes > Science > Chemistry > Inorganic Chemistry > More Information About Gas Laws > The Gas Law > Charles' Law

Charles' Law: used when the temperature of a gas changes.


At constant pressure, volume of a gas varies directly with the Kelvin temperature.

  • As the temperature of a gas increases, the volume of the gas increases.
  • As the temperature of a gas decreases, the volume of the gas decreases.
  • Charles' Law is expressed by the equation:

    Charles' law


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