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The liquid nitrogen fountain
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Department of Chemistry and Biochemistry, Eastern Washington University, Cheney, WA 99004-2440
Science Theatre, Abrams Planetarium, Michigan State University, East Lansing , MI 48824-1322
J. Chem. Educ., 2002, 79 (10), p 1220
DOI: 10.1021/ed079p1220
Publication Date (Web): October 1, 2002
Abstract
Details of a demonstration using liquid nitrogen are presented. The demonstration is based on a 500-mL transparent polyethylene soft-drink bottle with a screw-on pop-up drink top. Prior to the demonstration, a balloon is placed over the popped-up spout of the bottle top. The bottle is filled with liquid nitrogen and the top, with the balloon affixed, is quickly put in place and screwed on tightly. As the liquid nitrogen in the bottle boils, the balloon inflates. When the balloon bursts the noise produced is far greater than would ordinarily be expected, and a fountain of liquid nitrogen and condensing water vapor shoots into the air above the bottle.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
DemonstrationsKeywords (Feature):
Tested DemonstrationsKeywords (Subject):
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- Received: August 03, 2009
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