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Henry's Law: A Retrospective

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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

J. Chem. Educ., 2004, 81 (11), p 1647

DOI: 10.1021/ed081p1647

Publication Date (Web): November 1, 2004

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.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

History / Philosophy

Keywords (Feature):

Research: Science and Education

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Equilibrium

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Rapid Nondestructive Spectrometric Measurement of Temperature-Dependent Gas−Liquid Solubility Equilibria
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  Analytical Chemistry2011 83 (3), 1157-1161
  Gas−liquid solubility equilibria (Henry’s Law behavior) are of basic interest to many different areas. Temperature-dependent aqueous solubilities of various organic compounds are of fundamental importance in many branches of environmental science. In a ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Hydrophobic Solvation: Aqueous Methane Solutions
Timm Lankau , Oliver Konrad
Journal of Chemical Education2007 84 (5), 864
- Hydrophobic Solvation: Aqueous Methane Solutions
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  The solvation of methane in water will be used to discuss hydrophobic solvation effects. A phenomenological thermodynamical analysis of solvation provides a variant of Henry's law, which will be used to examine the connections between the excess chemical ...
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Received: August 03, 2009

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Henry's Law: A Retrospective