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Homework Help: Define 2nd law of thermodynamics in two ways

  1. Apr 29, 2012 #1
    1. The problem statement, all variables and given/known data

    Define the second law of thermodynamics in two different ways and show these two ways are equivalent.

    2. Relevant equations

    3. The attempt at a solution

    Could anyone give me any pointers as to what this might mean? I know what the 2nd law of thermodynamics states, but how would I define it in two different ways?

    Thank you.
  2. jcsd
  3. Apr 29, 2012 #2

    Andrew Mason

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    Science Advisor
    Homework Helper

    It is a reference to the different statements of the second law by Clausius and by Lord Kelvin.

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