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





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 Classical Thermodynamics: The Importance of Reversibility

- Pp. 8-17 (10)

Alberto Gianinetti

Abstract

The concept of entropy is introduced within the context of classical thermodynamics where it was first developed to answer the questions: What happens when heat spontaneously goes from hot bodies to cold ones? To figure out this change, the transfer process must have some peculiar features that make it reversible. First of all, to be studied, systems and processes must be conceptualised as occurring at equilibrium conditions, or in conditions close to equilibrium. A first description of equilibrium is provided.

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