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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > July  >
In the Classroom
Resources for Student Assessment
Three Forms of Energy
Sigthór Pétursson
Department of Natural Resource Science, University of Akureyri, 600 Akureyri, Iceland
Cover
July 2003
Vol. 80 No. 7
p. 776
Abstract
The paper, which is intended for students and teachers of general and physical chemistry, presents questions relating to thermal, mechanical, and gas expansion processes and works out the energy involved. The examples illustrate the physical meaning of the SI unit for energy, the joule, and draws attention to the comparison between heat and mechanical energy. The energy expenditure involved in our basic bodily functions versus moderate activity is also discussed.
More Information
*  Citation
 Pétursson, Sigthór . J. Chem. Educ. 2003 80 776.
*  Keywords
 Calorimetry; General Chemistry; Introductory / High School Chemistry; Nutrition; Thermodynamics
*  History
 Created:
Last Updated:		 June 4, 2003
February 28, 2005
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