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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > October  >
In the Laboratory
Filtrates and Residues
A Simple Method for Determining the Temperature Coefficient of Voltaic Cell Voltage
Alfred E. Saieed
James Madison High School, Vienna, VA 22180

Keith M. Davies
George Mason University, Fairfax, VA 22030

Cover
October 1996
Vol. 73 No. 10
p. 959
Abstract
Although use of the Nernst equation to illustrate the dependence of cell potential on half-cell concentrations is routinely covered in first-year college chemistry and high school AP chemistry classes, the temperature dependence of cell voltages is rarely encountered outside of the undergraduate physical chemistry laboratory. Even there, its coverage is somewhat limited because of the cost and sophistication of the instrumentation required. This article describes a relatively simple method for preparing voltaic cells, and through their temperature coefficient, _Eo/_T, it explores relationships between DeltaGo, DeltaHo and DeltaSo for the cell reactions involved.
More Information
*  Citation
 Saieed, Alfred E.; Davies, Keith M. J. Chem. Educ. 1996 73 959.
*  Keywords
 Introductory/High School Chemistry
*  History
 Created:
Last Updated:		 September 22, 1999
February 21, 2006
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