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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > May  >
Symposium: A Controversy about the Gibbs Function
The Gibbs Function, Spontaneity, and Walls
R. J. Tykodi
University of Massachusetts Dartmouth, North Dartmouth, MA 02747
Cover
May 1996
Vol. 73 No. 5
p. 398
Abstract
For the expansion-into-the-vacuum process involving a saturated vapor, previously analyzed by Schomaker and waser and by myself, I assert that in general Delta G (composite) is undefined and that for the special case of bulbs with perfectly rigid walls Delta G (composite) is weakly positive. I show that the seemingly contradictory results of Schomaker and Waser are merely the consequences of their use of eccentric or anti-conventional terminology: they calculate the change in the Availability function for the process and call that change "Delta G (composite)".

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*  Citation
 Tykodi, R. J. J. Chem. Educ. 1996 73 398.
*  Keywords
*  History
 Created:
Last Updated:		 9/23/1999
5/22/2006
Link to Correction added (May 2004).
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