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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > December  >
In the Laboratory
Playing with Liquid Foams: Learning Physical Chemistry
Hernán Ritacco
Departamento de Química-Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
Cover
December 2008
Vol. 85 No. 12
p. 1667

Abstract
Who has never played with soap bubbles? They are so beautiful and amazing, they have a perfect spherical shape and surprising tints. Foams are structures of bubbles of an incredible complexity and they are a perfect system to stimulate students' interest in the chemistry and physics of surface phenomena. In this article I propose a simple experiment that illustrates the Young–Laplace law using foams and lasers.

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Citation
Ritacco, Hernán. J. Chem. Educ. 2008, 85, 1667.
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Keywords
Colloids; Graduate Education / Research; Hands-On Learning / Manipulatives; Laboratory Instruction; Materials Science; Physical Chemistry; Surface Science; Upper-Division Undergraduate
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History
Created:
Last Updated:
10/24/2008
11/7/2008
 Caution! 
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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