Gibbs-Helmholtz equation

Related Overviews

Josiah Willard Gibbs (1839—1903) American physical chemist

Hermann Ludwig Ferdinand von Helmholtz (1821—1894) German physiologist and physicist


More Like This

Show all results sharing this subject:

  • Chemistry


Quick Reference

An equation used in thermodynamics to show the temperature dependence of the Gibbs free energy. It has the form:(∂G/∂T)p = (GH)/T, where G is the Gibbs free energy, H is the enthalpy, T is the thermodynamic temperature, and p is the pressure (which is held constant). The Gibbs-Helmholtz equation can be derived from (∂G/∂T)p = − S and S = (HG)T using the rules of differentiation. The equation was derived by J. W. Gibbs and H. L. F. von Helmholtz.

(∂G/∂T)p = (GH)/T

Subjects: Chemistry.

Reference entries