2002
DOI: 10.1021/ed079p1241
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Entropy Is Simple, Qualitatively

Abstract: Qualitatively, entropy is simple. What it is, why it is useful in understanding the behavior of macro systems or of molecular systems is easy to state: Entropy increase from a macro viewpoint is a measure of the dispersal of energy from localized to spread out at a temperature T. The conventional q in q rev/T is the energy dispersed to or from a substance or a system. On a molecular basis, entropy increase means that a system changes from having fewer accessible microstates to having a larger number of accessi… Show more

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Cited by 58 publications
(49 citation statements)
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“…& The disorder metaphor emphasises spatial configuration of the constituent particles of a system, but tends to neglect the role of energy (Lambert 2002b(Lambert , 2007Alonso and Finn 1995;Brosseau and Viard 1992). & The messy room analogy and other examples, such as a particular poker hand, give a single snapshot view, rather than showing the large number of microstates, i.e.…”
Section: Criticisms Of the Disorder Metaphormentioning
confidence: 99%
See 1 more Smart Citation
“…& The disorder metaphor emphasises spatial configuration of the constituent particles of a system, but tends to neglect the role of energy (Lambert 2002b(Lambert , 2007Alonso and Finn 1995;Brosseau and Viard 1992). & The messy room analogy and other examples, such as a particular poker hand, give a single snapshot view, rather than showing the large number of microstates, i.e.…”
Section: Criticisms Of the Disorder Metaphormentioning
confidence: 99%
“…However, I would like to counter these views with some arguments in its favour. Lambert (2002b) argued that 'entropy is simple, qualitatively', if it is explained macroscopically as a measure of the dispersal of energy and microscopically as the number of microstates of a system, and Leff (2012) set out 'removing the mystery of entropy' by relating it to the spreading of energy. Similarly, Ben-Naim (2007) proclaimed 'entropy demystified' and promised to reduce it to 'plain common sense' by interpreting it as identical to information.…”
Section: In Defence Of the Disorder Metaphormentioning
confidence: 99%
“…In 1996, the spreading metaphor was used to introduce and motivate the development of thermodynamics pedagogically [19]. In 2002, Lambert [9,20] argued in favor of energy-based language to replace the inadequate metaphor of disorder in chemistry textbooks. The present paper is intended to extend the discussion of the spreading metaphor for a wider audience of research scientists.…”
Section: The 'Spreading' Metaphormentioning
confidence: 99%
“…I would like to make several observations supplementing and supporting the article by Frank Lambert on entropy as energy dissipation, since this is an approach that I have also used for many years when teaching a qualitative version of the entropy concept to students of general and introductory inorganic chemistry (1).…”
mentioning
confidence: 98%