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Published in:
2016 | OriginalPaper | Chapter
3. Entropy and Temperature
Authors : Georg Job, Regina Rüffler
Published in: Physical Chemistry from a Different Angle
Publisher: Springer International Publishing
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Abstract
In phenomenological description (comparable to a kind of “wanted poster”), the entropy appears as a kind of “stuff” which is distributed in space, can be stored or transferred, collected or distributed, soaked up or squeezed out, concentrated or dispersed. It is involved in all thermal effects and can be considered their actual cause. Without it, there would be no hot and no cold. It can be easily generated, if the required energy is available, but it cannot be destroyed. Actually, entropy can be easily recognized by these effects. This direct understanding of the quantity S is deepened by a simplified molecular kinetic interpretation.