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The Ultrasonic Soda Fountain: A Dramatic Demonstration of Gas Solubility in Aqueous Solutions

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John E. Baur

Department of Chemistry, Illinois State University, Normal, IL 61790-4160

Melinda B. Baur

Department of Chemistry, Illinois Wesleyan University, Bloomington, IL 61702-2900

David A Franz

Department of Chemistry, Lycoming College, Williamsport, PA 17701

J. Chem. Educ., 2006, 83 (4), p 577

DOI: 10.1021/ed083p577

Publication Date (Web): April 1, 2006

Section:

History, Education, and Documentation

Abstract

An ultrasonic bath is used to accelerate the rate at which carbonated beverages equilibrate with the atmosphere. The resulting fountain, which can reach heights in excess of 3 meters, is a dramatic demonstration of the solubility of gases in liquids.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Demonstrations

Keywords (Feature):

JCE DigiDemos: Tested Demonstrations

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Aqueous Solution Chemistry

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This article has been cited by 2 ACS Journal articles (2 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
“Gone” into Solution: Assessing the Effect of Hands-On Activity on Students’ Comprehension of Solubility
Laura B. Bruck and Aaron D. Bruck, Amy J. Phelps
Journal of Chemical Education2010 87 (1), 107-112
- “Gone” into Solution: Assessing the Effect of Hands-On Activity on Students’ Comprehension of Solubility
  Laura B. Bruck and Aaron D. Bruck, Amy J. Phelps
  Journal of Chemical Education2010 87 (1), 107-112
  Solubility is challenging for many general chemistry students, and the interactions of aqueous species are difficult to conceptualize. Derived from the pedagogies of Johnstone, Bloom, and Piaget, our primary research questions probe whether students’ ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links