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Shuffled Cards, Messy Desks, and Disorderly Dorm Rooms - Examples of Entropy Increase? Nonsense!
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Abstract
Simply changing the location of everyday macro objects from an arrangement that we commonly judge as orderly to one that appears disorderly is a "zero change" in the thermodynamic entropy of the objects because the number of accessible energetic microstates in any of them has not been changed.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
Physical ChemistryKeywords (Pedagogy):
Misconceptions / Discrepant EventsKeywords (Subject):
Nonmajor CoursesCiting Articles
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This article has been cited by 11 ACS Journal articles (5 most recent appear below).
The Misinterpretation of Entropy as “Disorder”
Frank L. LambertJournal of Chemical Education2012 Article ASAPThe Misinterpretation of Entropy as “Disorder”
Frank L. LambertJournal of Chemical Education2012 Article ASAPThis letter supports the goal of the article “Entropy: Order or Information” (DOI: 10.1021/ed100922x), showing that the article’s presentation only of Shannon’s measure of information can be strengthened by linking it to energy-based thermodynamics in ...
A Study of Turkish Chemistry Undergraduates' Understanding of Entropy
Judith M. Bennett , Mustafa SözbilirJournal of Chemical Education2007 84 (7), 1204A Study of Turkish Chemistry Undergraduates' Understanding of Entropy
Judith M. Bennett , Mustafa SözbilirJournal of Chemical Education2007 84 (7), 1204This study explores Turkish chemistry undergraduates' understanding of entropy and identifies and classifies their misunderstandings. For this purpose, a diagnostic questionnaire and semi-structured interviews—before and after teaching—were used. Two ...
Give Them Money: The Boltzmann Game, a Classroom or Laboratory Activity Modeling Entropy Changes and the Distribution of Energy in Chemical Systems
Bridget Michalek , Robert M. HansonJournal of Chemical Education2006 83 (4), 581Give Them Money: The Boltzmann Game, a Classroom or Laboratory Activity Modeling Entropy Changes and the Distribution of Energy in Chemical Systems
Bridget Michalek , Robert M. HansonJournal of Chemical Education2006 83 (4), 581Described here is a short, simple activity we call the "Boltzmann game" that can be used in any high school or college chemistry classroom or lab to explore the way energy is distributed in real chemical systems and as an entry into discussions of the ...
Using Computer Simulations To Teach Salt Solubility. The Role of Entropy in Solubility Equilibrium
Victor M. S. Gil , João C. M. PaivaJournal of Chemical Education2006 83 (1), 170Using Computer Simulations To Teach Salt Solubility. The Role of Entropy in Solubility Equilibrium
Victor M. S. Gil , João C. M. PaivaJournal of Chemical Education2006 83 (1), 170The question of solubility of salts in water, besides being a field of interest in itself, provides good examples for the illustration of basic thermodynamics applied to chemistry. In this paper two pairs of salts, NaCl and CaCO3, and MgCO3 and MgSO4, are ...
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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