Howard DeVoe (source code)

= Howard DeVoe
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<Howard DeVoe> developed a thermodynamic treatment of solutions that distinguishes chemical potentials, reference states, and activity coefficients. An ideal-mixture expression supplies a reference for representing nonideal behaviour.

An activity coefficient therefore compares a real chemical potential with a stated ideal convention. Changing the convention changes the numerical representation without changing the underlying equilibrium condition.<Thermodynamics and Chemistry by Howard DeVoe>[Sections 9.2.8, 9.4.1–9.4.3, and 9.5.3]{ref}

Identity source: https://www2.chem.umd.edu/thermobook/v10-screen.pdf