Easy-To-Make Cryophoruses

Rubin Battino
Department of Chemistry, Wright State University, Dayton, OH 45435
Trevor M. Letcher
Department of Chemistry, University of KwaZulu-Natal, Durban, South Africa
J. Chem. Educ., 2008, 85 (4), p 561
DOI: 10.1021/ed085p561
Publication Date (Web): April 1, 2008

Abstract

The cryophorus dramatically demonstrates the cooling effect of evaporation. This article describes some simple and easy-to-make cryophoruses, ideal for demonstrating evaporative cooling to students at all levels. The most dramatic effects occurred with cyclohexane and benzene, with water generally freezing more slowly.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Demonstrations

Keywords (Feature):

Cost-Effective Teacher

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Lipids
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History

  • Received: August 03, 2009

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