Universal Gas Constant (R)

Definition

The universal gas constant (R) is an important value used in many equations in thermodynamics including the ideal gas law. Its value depends on the units used but often approximated as 8.314 J/(mol·K).

Related terms

Specific Gas Constant: The specific gas constant is unique to particular gases and is derived from the universal gas constant divided by molar mass.

Molar Mass:

Molar mass refers to the weight of one mole (or 6.02 x 10^23 particles) of any chemical substances.

Joule (J): Joule is a unit of energy used in physics and chemistry; it’s equivalent to one watt-second.