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On latent heat of vaporization, surface tension, and temperature

Viswanath, DS and Kuloor, NR (1966) On latent heat of vaporization, surface tension, and temperature. In: Journal of Chemical & Engineering Data, 11 (1). pp. 69-72.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/je60028a020

Abstract

A semitheoretical equation for latent heat of vaporization has been derived and tested. The average error in predicting the value at the normal boiling point in the case of about 90 compounds, which includes polar and nonpolar liquids, is about 1.8%. A relation between latent heat of vaporization and surface tension is also derived and is shown to lead to Watson's empirical relation which gives the change of latent heat of vaporization with temperature. This gives a physico-chemical justification for Watson's empirical relation and provides a rapid method of determining latent heats by measuring surface tension.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 17 May 2010 05:36
Last Modified: 19 Sep 2010 06:06
URI: http://eprints.iisc.ernet.in/id/eprint/27857

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