Henry's Law: A Retrospective

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&#...

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Bibliographic Details
Published inJournal of chemical education Vol. 81; no. 11; pp. 1647 - 1652
Main Authors Rosenberg, Robert M, Peticolas, Warner L
Format Journal Article
LanguageEnglish
Published Easton Division of Chemical Education 01.11.2004
Journal of Chemical Education, Subscription Department
American Chemical Society
Subjects
Chemistry
Gases
Henry, William
Henrys law
Law
Science Education
Science Instruction
Hands-On Learning / Manipulatives
Upper-Division Undergraduate
History / Philosophy
Research: Science and Education
Equilibrium
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Summary: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.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed081p1647