thermodynamic equilibrium

World English Dictionary
thermodynamic equilibrium
 
n
Sometimes shortened to: equilibrium the condition of an isolated system in which the quantities that specify its properties, such as pressure, temperature, etc, all remain unchanged

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Encyclopedia Britannica
Encyclopedia

thermodynamic equilibrium

condition or state of a thermodynamic system, the properties of which do not change with time and that can be changed to another condition only at the expense of effects on other systems. For a thermodynamic equilibrium system with given energy, the entropy is greater than that of any other state with the same energy. For a thermodynamic equilibrium state with given pressure and temperature, the Gibbs free energy is smaller than that of any other state with the same pressure and temperature.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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