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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > July  >
In the Classroom
Tested Demonstrations
A More Dramatic Container to Crush by Atmospheric Pressure
submitted by: Robert D. Meyers and Gordon T. Yee
Department of Chemistry & Biochemistry, University of Colorado, Boulder, CO 80309-0215

checked by: Tom Hanninen
Department of Chemistry, Kutztown University, Kutztown, PA 19530

Cover
July 1999
Vol. 76 No. 7
p. 933
Abstract
The familiar demonstration of collapsing a can by filling it with water vapor and then sealing it and allowing it to cool is improved by performing it with a 20-L steel solvent drum instead. This modification is significant because the steel drum is sufficiently sturdy to resist mechanical attempts to crush it. In contrast, the action of the atmosphere will dramatically collapse the drum almost completely.
More Information
*  Citation
 Meyers, Robert D.; Yee, Gordon T. J. Chem. Educ. 1999 76 933.
*  Keywords
 Demonstrations; Gases; Phase Transitions / Diagrams
*  History
 Created:
Last Updated:		 June 9, 1999
June 23, 2005
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