Term: compression factor, \(Z\)
https://doi.org/10.1351/goldbook.C01216

Definition:
Product of pressure and molar volume divided by the gas constant and thermodynamic temperature. For an ideal gas it is equal to 1.

Related Terms:
1) gas constant (http://doi.org/10.1351/goldbook.G02579).
2) thermodynamic temperature (http://doi.org/10.1351/goldbook.T06321).
3) ideal gas (http://doi.org/10.1351/goldbook.I02935).

Source: Green Book, 2nd ed., p. 49 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Citation: 'compression factor, \(Z\)' 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.C01216

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