Term: enthalpy, \(H\)
https://doi.org/10.1351/goldbook.E02141

Definition:
internal energy of a system plus the product of pressure and volume. Its change in a system is equal to the heat brought to the system at constant pressure.

Related Terms:
1) internal energy (http://doi.org/10.1351/goldbook.I03103).

Source: Green Book, 2nd ed., p. 48 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Citation: 'enthalpy, \(H\)' 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.E02141

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