Five common thermodynamic energy potentials areAlberty -LRB- NUMBER@1 -RRB- NUMBER@2 : Name Symbol Formula Natural variables Internal energy PERSON@1 free energy PERSON@2 free energy Landau Potential -LRB- Grand potential -RRB- where T = temperature , S = entropy , p = pressure , V = volume .

The four most common thermodynamic potentials are : Name Formula Natural variables Internal energy PERSON@1 free energy PERSON@2 free energy where T = temperature , S = entropy , p = pressure , V = volume .
