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On the Entropy Change of Surroundings of Finite and of Infinite Size: From Clausius to Gibbs
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Abstract
The entropy variation of finite surroundings induced by a chemical reaction is expressed in terms of the reaction enthalpy and the temperature change of the reacting system and of the variables of the surroundings. Expanding the surroundings to infinite size, the expression can be shown to reduce to the Gibbs equation, corresponding to the completely system-oriented entropy analysis. The reversibly calculated heat exchange of a thermal reservoir just equals the opposite irreversible reaction heat of the system.
Keywords (Audience):
Graduate Education / ResearchKeywords (Domain):
Physical ChemistryKeywords (Subject):
ThermodynamicsCiting Articles
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Teaching Entropy Analysis in the First-Year High School Course and Beyond
Thomas H. BindelJournal of Chemical Education2004 81 (11), 1585Teaching Entropy Analysis in the First-Year High School Course and Beyond
Thomas H. BindelJournal of Chemical Education2004 81 (11), 1585A 16-day teaching unit is presented that develops chemical thermodynamics at the introductory high school level and beyond from exclusively an entropy viewpoint referred to as entropy analysis. Many concepts are presented, such as: entropy, spontaneity, ...
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- Received: August 03, 2009
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