Parachor

Parachor is a quantity (related to surface tension) defined according to the formula:

P = γ^1/4 M / d

where γ is the surface tension, M is the molar mass, and d is the density. Parachor has a volume multiplier and is therefore extensible from components to mixtures[1]. Parachor "has been used in solving various structural problems".[2]

References

Williams, Andrew (2003). Free Energy Relationships in Organic and Bio-organic Chemistry. Royal Society of Chemistry. pp. 43–44. doi:10.1039/9781847550927. ISBN 978-0-85404-676-8.
Exner, O. (1 December 1962). "Conception and Significance of the Parachor". Nature. 196: 890–891. Bibcode:1962Natur.196..890E. doi:10.1038/196890a0.

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[1] Williams, Andrew (2003). Free Energy Relationships in Organic and Bio-organic Chemistry. Royal Society of Chemistry. pp. 43–44. doi:10.1039/9781847550927. ISBN 978-0-85404-676-8.

[2] Exner, O. (1 December 1962). "Conception and Significance of the Parachor". Nature. 196: 890–891. Bibcode:1962Natur.196..890E. doi:10.1038/196890a0.