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  Home > JCE Print > Journal of Chemical Education > Issues > 2007  > July  >
Chemistry for Everyone
Secondary School Chemistry
Determining the Pressure inside an Unopened Carbonated Beverage
Hans de Grys
Lakeside School, Seattle, WA 98125
Cover
July 2007
Vol. 84 No. 7
p. 1117

Abstract
Soft drinks provide a unique way to explore chemical principles. A challenging exercise for students is to determine the pressure of the carbon dioxide gas inside a sealed 12 ounce soft drink can. When presented as an open-ended problem, this exercise encourages students to think deeply about the principles involved and to develop creative strategies that are sound both theoretically and practically. A number of different methods are discussed for solving the problem, including solutions that use the ideal gas law, gas collection via water displacement, and Henry's law. The investigation includes aspects of gas behavior, equilibrium, solubility, and acids and bases.
More Information
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Citation
de Grys, Hans. J. Chem. Educ. 2007, 84, 1117.
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Keywords
Applications of Chemistry; Aqueous Solution Chemistry; Consumer Chemistry; First-Year Undergraduate / General; Food Science; Gases; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Inorganic Chemistry; Inquiry-Based / Discovery Learning; Laboratory Instruction; Physical Chemistry; Problem Solving / Decision Making; Solutions / Solvents; Student-Centered Learning
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History
Created:
Last Updated:
5/29/2007
6/7/2007
  Home > JCE Print > Journal of Chemical Education > Issues > 2007  > July  > Page 1117


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