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  1. C

    Heat Engine Question

    Thank you :)
  2. C

    Heat Engine Question

    Thanks :) Can you explain why putting all the energy from the hot reservoir to work would cause entropy of the system to decrease?
  3. C

    Heat Engine Question

    Hi, I am trying to figure out heat engines. I don't understand why heat from a hot reservoir MUST exhaust heat into a cold reservoir. How does that satisfy the second law of thermodynamics? Why can't all energy from the hot reservoir be used to do work? Thanks
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