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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > August  >
Research: Science and Education
Using Graphs of Gibbs Energy versus Temperature in General Chemistry Discussions of Phase Changes and Colligative Properties
Robert M. Hanson, Patrick Riley, and Jeff Schwinefus
Department of Chemistry, St. Olaf College, Northfield, MN 55057

Paul J. Fischer
Department of Chemistry, Macalester College, Saint Paul, MN 55105-1899

Cover
August 2008
Vol. 85 No. 8
p. 1142
Abstract
The use of qualitative graphs of Gibbs energy versus temperature is described in the context of chemical demonstrations involving phase changes and colligative properties at the general chemistry level.
Supplement
Further insights on the supercooling demonstration as well several additional demonstrations and G–T graphs associated with vapor pressure, sublimation, triple points, and solubility equilibria for solid and gaseous solutes.
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Contents
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More Information
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Citation
Hanson, Robert M.; Riley, Patrick; Schwinefus, Jeff; Fischer, Paul J. J. Chem. Educ. 2008, 85, 1142.
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Keywords
Demonstrations; First-Year Undergraduate / General; Phases / Phase Transitions / Diagrams; Physical Chemistry; Physical Properties; Textbooks / Reference Books; Thermodynamics
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History
Created:
Last Updated:
6/23/2008
7/2/2008
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