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Entropy 2009, 11(3), 326-333; doi:10.3390/e11030326

Thermodynamics of the System of Distinguishable Particles

Department of Physics, National Changhua University of Education, Taiwan
Received: 16 April 2009 / Accepted: 25 June 2009 / Published: 29 June 2009
(This article belongs to the Special Issue Gibbs Paradox and Its Resolutions)
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The issue of the thermodynamics of a system of distinguishable particles is discussed in this paper. In constructing the statistical mechanics of distinguishable particles from the definition of Boltzmann entropy, it is found that the entropy is not extensive. The inextensivity leads to the so-called Gibbs paradox in which the mixing entropy of two identical classical gases increases. Lots of literature from different points of view were created to resolve the paradox. In this paper, starting from the Boltzmann entropy, we present the thermodynamics of the system of distinguishable particles. A straightforward way to get the corrected Boltzmann counting is shown. The corrected Boltzmann counting factor can be justified in classical statistical mechanics.
Keywords: entropy; Gibbs paradox; distinguishable particles entropy; Gibbs paradox; distinguishable particles
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Cheng, C.-H. Thermodynamics of the System of Distinguishable Particles. Entropy 2009, 11, 326-333.

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