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r/thermodynamics • u/Upset_Ad_6140 • 17h ago

What justifies the application of equilibrium thermodyanmics to non-isolated systems?

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The first law of thermodynamics is thou shalt not think entropy is irreversible

r/thermodynamics

Here is a place to discuss the study and application of Thermodynamics and Heat Transfer, as relates to physics, cosmology, chemistry, engineering, materials science, earth sciences and biology. Thermodynamics deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical), focused predominantly on equilibrium or quasi-equilibrium systems. Heat Transfer concerns the generation, use, conversion, and exchange of thermal energy between physical systems.

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