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I Confusion between adiabatic and energy

  1. Dec 30, 2017 #21
    Like I said. If the focus is the closed system (no mass going in or out), then the irreversibility is regarded as occurring exclusively inside the system.

    Irreversible phenomena take place over a volume of material, and the heat transfer takes place at a surface (the interface between the system and surroundings), which has no mass or volume.
    Last edited: Dec 30, 2017
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