Thermodynamcics Definition and 54 Threads

  1. S

    Why work done on a system causes heat to flow out of it?

    I don't understand how compression of a gas causes heat to flow out of the container of that gas... Could someone please help? Thank you in advance!
  2. V

    Doubt from second law of thermodynamics

    qrev/T = ΔS here what does ΔS signify?does it mean change in entropy of system or surroundings? how is entropy of system,surrounding and universe related to each other and which entropy is used in gibbs free energy equation?
  3. Z

    Thermodynamics: Irreversible process and entropy

    Homework Statement Hi ! I'm stuck with these two questions of my assignment of thermodynamics - Give two exemples of irreversible process (initial state, process, final state) - For each of them, explain why they are irreversible on the microscopic scale. Homework Equations We are not asked...
  4. M

    Thermodynamcics quesstion (Diagrams)

    In a question He gives that : 0.1 kg of water contained in cylinder-piston device . Water is initially at 1.5 bar and 403 k (Kelvin). More 0.1 kg of water at 2 bar and 403 kelvin is admitted to the cylinder. Through out this filling process, pressure and temperature of cylinder are...
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