Template:Table of thermodynamic potentials

Name	Symbol	Formula	Natural variables
Internal energy	$U$	$\int \left(T\,\mathrm {d} S-p\,\mathrm {d} V+\sum _{i}\mu _{i}\mathrm {d} N_{i}\right)$	$S,V,\{N_{i}\}$
Helmholtz free energy	$F$	$U-TS$	$T,V,\{N_{i}\}$
Enthalpy	$H$	$U+pV$	$S,p,\{N_{i}\}$
Gibbs free energy	$G$	$U+pV-TS$	$T,p,\{N_{i}\}$
Landau potential, or grand potential	$\Omega$, $\Phi _{\text{G}}$	$U-TS-$$\sum _{i}\,$$\mu _{i}N_{i}$	$T,V,\{\mu _{i}\}$