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Determining the Pressure inside an Unopened Carbonated Beverage

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Hans de Grys

Lakeside School, Seattle, WA 98125

J. Chem. Educ., 2007, 84 (7), p 1117

DOI: 10.1021/ed084p1117

Publication Date (Web): July 1, 2007

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.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Inorganic Chemistry

Keywords (Feature):

Secondary School Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Applications of Chemistry

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This article has been cited by 3 ACS Journal articles (3 most recent appear below).

Another Method for Determining the Pressure inside an Intact Carbonated Beverage Can (or Bottle)
Thomas S. Kuntzleman and Christopher Richards
Journal of Chemical Education2010 87 (9), 993-993
- Another Method for Determining the Pressure inside an Intact Carbonated Beverage Can (or Bottle)
  Thomas S. Kuntzleman and Christopher Richards
  Journal of Chemical Education2010 87 (9), 993-993
  Previous letters and articles in this Journal have described methods for finding the pressure of CO2 inside carbonated beverages. One communication in particular describes a method for estimating this pressure without even opening the container. This ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Another Look at the Fizz Keeper: A Case-Study Laboratory Exercise for High School Students
Christopher R. Mekelburg and Steven H. Szczepankiewicz, Matthew Hellerer
Journal of Chemical Education2010 87 (7), 705-707
- Another Look at the Fizz Keeper: A Case-Study Laboratory Exercise for High School Students
  Christopher R. Mekelburg and Steven H. Szczepankiewicz, Matthew Hellerer
  Journal of Chemical Education2010 87 (7), 705-707
  This case study places the high school student as a researcher for Carbonation Creators (fictional entity), a company responsible for making the Fizzy Forcer (a device to improve carbonation in previously opened bottles of soft drinks). The company faces ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Determining the Pressure inside an Intact Carbonated Beverage Can
Leslie Glasser
Journal of Chemical Education2008 85 (1), 47
- Determining the Pressure inside an Intact Carbonated Beverage Can
  Leslie Glasser
  Journal of Chemical Education2008 85 (1), 47
  Here is an experiment that gives ball-park values for the pressure in an unopened soda can, determined without opening the can.
  Abstract | Hi-Res PDF | PDF w/ Links