Universal Gas Constant (R)

Definition

The universal gas constant (R) is a constant value used in the ideal gas law equation to relate the pressure, volume, temperature, and number of moles of a gas. It has the same value for all gases under ideal conditions.

Related terms

Ideal Gas Law:

An equation that describes the behavior of an ideal gas by relating its pressure (P), volume (V), temperature (T), and number of moles (n).

Boyle's Law: A gas law that states that at constant temperature, the volume of a given amount of gas is inversely proportional to its pressure.

Charles's Law: A gas law that states that at constant pressure, the volume of a given amount of gas is directly proportional to its absolute temperature.