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Simple and attractive demonstration of the reversibility of chemical reactions

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Celestyn M. Brozek

University of New Mexico-Valencia Campus, 280 La Entrada, Los Lunas, NM 87031

J. Chem. Educ., 1996, 73 (9), p 837

DOI: 10.1021/ed073p837.1

Publication Date (Web): September 1, 1996

Abstract

The reversibility of chemical reactions is demonstracted by dehydration of CuSO₄ · 5H₂O and the subsequent hydration of CuSO₄. The associated heat comsumption and the subsequent heat production illustrate the concept of endothermic and exothermic reactions.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Calorimetry / Thermochemistry

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History

Received: August 03, 2009

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Simple and attractive demonstration of the reversibility of chemical reactions