Thermodynamic free energy | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-24

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Thermodynamic_free_energy


00:00:42 1 Overview
00:01:25 1.1 Meaning of "free"
00:03:33 2 Application
00:05:46 2.1 Work and free energy change
00:08:47 2.2 Free energy change and spontaneous processes
00:13:57 3 History
00:15:57 4 See also
00:16:42 5 References
00:16:45 History
00:22:39 constant, P
00:22:51 constant, V
00:23:45 See also



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SUMMARY
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The thermodynamic free energy is a concept useful in the thermodynamics of chemical or thermal processes in engineering and science. The change in the free energy is the maximum amount of work that a thermodynamic system can perform in a process at constant temperature, and its sign indicates whether a process is thermodynamically favorable or forbidden. Since free energy usually contains potential energy, it is not absolute but depends on the choice of a zero point. Therefore, only relative free energy values, or changes in free energy, are physically meaningful.
The free energy is a thermodynamic state function, like the internal energy, enthalpy, and entropy.