Chapter 21

Outlines of a Verbal Account of the Thermodynamic Entropy for a Pedagogical Approach

Alberto Gianinetti


Starting from the observation of spontaneous phenomena, it can be envisioned that, with time, every isolated system tends to settle into the most equilibrated, stable, and inert condition. In the very long term, this is the most probable state of a system. This can be shown to be a universal law, the second law of thermodynamics, defined as “the tendency to the most probable state”. Thereafter, it is intuitive that “a function that measures the equilibration, stability, and inertness of a system” is maximized by the second law. This function is called entropy.

Total Pages: 158-189 (32)

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