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Conversion of Chemical Reaction Energy into Useful Work in the Van't Hoff Equilibrium Box

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N. M. Bazhin

Institute of Chemical Kinetics and Combustion, Novosibirsk State University, Novosibirsk 630090, Russia

V. N. Parmon

Boreskov Institute of Catalysis, Novosibirsk State University, Novosibirsk 630090, Russia

J. Chem. Educ., 2007, 84 (6), p 1053

DOI: 10.1021/ed084p1053

Publication Date (Web): June 1, 2007

Section:

History, Education, and Documentation

Abstract

The production of useful work by means of the ideal "van't Hoff equilibrium box" is considered in detail. It is shown that useful work arises according to the scheme “reaction energy → heat → useful work” without violation of the second law of thermodynamics, even at constant temperature, using the heat evolved by a reaction. Van't Hoff equilibrium box divided in two parts can produce simultaneously heat (in volume 100 % from theoretical one) and useful work (in volume 100 % from theoretical one) without violation of the first law of thermodynamics.