### Formula

DeltarG

change of reaction in Gibbs free energy

DeltarGo

standard change of reaction in Gibbs free energy

R

gas constant

T

absolute temperature

Qr

reaction quotient

DeltarG

change of reaction in Gibbs free energy

DeltarGo

standard change of reaction in Gibbs free energy

R

gas constant

T

absolute temperature

Qr

reaction quotient

Gibbs energy is the chemical potential that is minimized when a system reaches equilibrium at constant pressure and temperature. Its derivative with respect to the reaction coordinate of the system vanishes at the equilibrium point. As such, it is a convenient criterion of spontaneity for processes with constant pressure and temperature.

DeltarGo

R

T

Qr

DeltarG

Precision

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