additivity principle

https://doi.org/10.1351/goldbook.A00137
The hypothesis that each of several structural features of a @M03986@ makes a separate and @A00134@ contribution to a property of the substance concerned. More specifically, it is the hypothesis that each of the several @S06076@ groups in a parent molecule makes a separate and @A00134@ contribution to the standard Gibbs energy change (or @G02631@) corresponding to a particular equilibrium (or @R05156@).
See also:
transferability
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1081 [Terms] [Paper]
Citation: 'additivity principle' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.A00137 RIS BibTex EndNote
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Last revised: February 24, 2014