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An important extensive property of all systems in thermodynamics, statistical mechanics, and information theory, quantifying their disorder (randomness), i.e., our lack of information about them. It characterizes the degree to which the energy of the system is *not* available to do useful work.
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Pressure of mixture after mixing [closed]
Assuming the surroundings are at $25^\circ\text{C}$ and both gases behave as ideal gases, determine the entropy change and exergy destruction associated with the process. … It is obvious that the entropy change is independent of the composition of the mixture in this case and that it depends on only the mole fraction of the gases of the mixture. …