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  Home > JCE Print > Journal of Chemical Education > Issues > 2004  > November  >
Research: Science and Education
Henry's Law: A Retrospective
Robert M. Rosenberg
Department of Chemistry, Northwestern University, Evanston, IL 60208-3113

Warner L. Peticolas
Department of Chemistry, University of Oregon, Eugene, OR 97403-1253

Cover
November 2004
Vol. 81 No. 11
p. 1647
Abstract
This article reviews the evolution of Henry's law from its original form as a description of the effect of pressure on the solubility of a gas through a description of the vapor pressure of a volatile solute in dilute solution to a basis of the standard state of a solute. We also relate Henry's law to the properties of regular solutions. We raise the question of whether Henry's law is applicable to any finite concentration and conclude that it is properly only a limiting law in the limit of infinite dilution.
Supplement
A discussion of Henry's law in regular solutions is available.
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*  Citation
 Rosenberg, Robert M.; Peticolas, Warner L. J. Chem. Educ. 2004 81 1647.
*  Keywords
 Equilibrium; Gases; History / Philosophy; Physical Chemistry; Solutions / Solvents; Thermodynamics
*  History
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Last Updated:		 September 27, 2004
October 4, 2004
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