Physics Ontology

One map of physics, three ways in. Drill down on any quantity to see its units, the equations it lives in, and how its values span the universe.

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RR
Fundamental Constants

Molar Gas Constant

Constant in the ideal gas law pV = nRT.

SI unit

joule per kelvin mole (J/(K·mol))

Dimension: [ ML2T−2Θ−1N−1 ][\,M L^2 T^{-2} \Theta^{-1} N^{-1}\,]

Other units

  • joule per kelvin mole (J/(K·mol))

Defined value

Fixed constant from the A-level data sheets.

8.31 × 100 J/(K·mol)

A-level value

Appears in 1 equation

Ideal Gas Law
pV=nRTp V = n R T

Associated scientists

Ludwig BoltzmannAmedeo Avogadro