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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > October  >
In the Classroom
JCE DigiDemos: Tested Demonstrations
Demonstrating Energy Migration in Coupled Oscillators. A Central Concept in the Theory of Unimolecular Reactions
Ronald E. Marcotte
Department of Chemistry, Texas A&M University–Kingsville, Kingsville, TX 78363

checked by James A. Zimmerman
Department of Chemistry, Southwest Missouri State University, Springfield, MO 65804-0089
Cover
October 2005
Vol. 82 No. 10
p. 1530
Abstract
This physical chemistry lecture demonstration is designed to aid the understanding of intramolecular energy transfer processes as part of the presentation of the theory of unimolecular reaction rates. Coupled pendulums are used to show the rate of migration of energy between oscillators under resonant and nonresonant conditions with varying degrees of coupling and how that relates to chemical reaction.
More Information
*  Citation
 Marcotte, Ronald E. J. Chem. Educ. 2005 82 1530.
*  Keywords
 Analogies / Transfer; Demonstrations; Enrichment / Review Materials; Kinetics; Mechanisms of Reactions; Physical Chemistry; Reactions; Reactive Intermediates; Upper-Division Undergraduate
*  History
 Created:
Last Updated:		 August 30, 2005
September 8, 2005
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