English Explanatory Dictionary

Gibbs-Helmholtz equation

English dictionary entry

Meanings

name
  1. An equation for calculating changes in the Gibbs free energy of a system as a function of temperature: ((∂(G/T))/(∂T))ₚ=-H/(T²), where H is the enthalpy, T the absolute temperature and G the Gibbs free energy of the system, all at constant pressure p.

Word forms

Gibbs-Helmholtz equation the Gibbs-Helmholtz equation

Etymology

Named after Hermann von Helmholtz (who introduced it in an 1882 paper) and Josiah Willard Gibbs.

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