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Thermodynamics question

  1. Sep 3, 2006 #1
    if given enropy S as a function of energy U how do i tell that is obeys the second postulate?
     
  2. jcsd
  3. Sep 4, 2006 #2
    is there no one who can help?
     
  4. Sep 4, 2006 #3
    i had the same question lol
     
  5. Sep 4, 2006 #4

    Andrew Mason

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    I am not sure what you mean by the second postulate. Do you mean the second law of Thermodynamics? (it is not a postulate).

    AM
     
  6. Sep 6, 2006 #5
    in our class there were 4 postulates. the second was that entropy is maximized. we were given a few entropy functions and had to decide which ones violated the second postulate
     
  7. Oct 4, 2006 #6
    S given as a function of U doesn not violate the second law of thermodynamics..because S IS a function of U...
    look up the Sackure-Tetrode Equation for a monatomic ideal gas
     
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