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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > February  >
In the Classroom
Applications and Analogies
The Fizz Keeper, a Case Study in Chemical Education, Equilibrium, and Kinetics
Reed Howald
Montana State University, Department of Chemistry & Biochemistry, Bozeman, MT 59717
Cover
February 1999
Vol. 76 No. 2
p. 208
Abstract
The chemistry of the loss of carbonation from carbonated beverages on storage was considered. Increasing the pressure of CO2(g) will restore carbonation, but an increase in pressure adding air should not affect the equilibria. It can and does, however, affect the kinetics-the rate at which a new equilibrium is established. Thus the Fizz Keeper is effective for storage of resealed pop containers for hours, but not for periods of weeks or months.
More Information
*  Citation
 Howald, Reed. J. Chem. Educ. 1999 76 208.
*  Keywords
 Introductory / High School Chemistry; Diffusion; Equilibrium; Gases; Kinetics; Aqueous Solution Chemistry
*  History
 Created:
Last Updated:		 June 15, 1999
June 22, 2005
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