affinity of reaction, \(A\) 

https://doi.org/10.1351/goldbook.A00178
Negative partial derivative of Gibbs energy with respect to @E02283@ at constant pressure and temperature. It is positive for spontaneous reactions.
See also: driving force
Source:
Green Book, 2nd ed., p. 49 [Terms] [Book]
Citation: 'affinity of reaction' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.A00178 RIS BibTex EndNote
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Last revised: February 24, 2014