An Account of Thermodynamic Entropy


by

Alberto Gianinetti

DOI: 10.2174/97816810839331170101
eISBN: 978-1-68108-393-3, 2017
ISBN: 978-1-68108-394-0



Indexed in: EBSCO.

The second law of thermodynamics is an example of the fundamental laws that govern our universe and is relevant to every branch of sci...[view complete introduction]

Entropy in Statistical Mechanics

- Pp. 41-49 (9)

Alberto Gianinetti

Abstract

The systems we can directly see are composed of huge numbers of particles. So, the properties of these systems are obtained as statistical averages of the effects of their particles. This casts a conceptual bridge between the macroscopic world wherein we observe systems with their overall properties and the microscopic world where particles with their own properties dominate the scene. Statistical mechanics shows that the former world is determined by what happens in the latter, and this approach provides a better, finer understanding of what’s going on at the macroscopic level and why.

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