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Homework Help: Thermo Concept Questions

  1. Nov 28, 2011 #1
    1. The problem statement, all variables and given/known data
    Hey, I was wondering if I could get some help verifying my answers for these general thermodynamics concept questions. Thanks!

    1. A reversible reaction is at equilibrium at constant pressure and temperature if the free energy of the system ______________.

    2. Heat absorbed by a system at constant volume is equal to ______________.

    3. The entropy of fusion of a substance is always smaller than its entropy of vaporization.
    True or False​

    4. The internal energy of a substance can be brought to zero by cooling the substance all the way down to absolute zero (0 K).
    True or False​

    2. Relevant equations
    E=q+w
    q=mc[itex]\Delta[/itex]T
    w=-P[itex]\Delta[/itex]T
    [itex]\Delta[/itex]G=[itex]\Delta[/itex]H-T[itex]\Delta[/itex]S


    3. The attempt at a solution
    1. is zero
    2. [itex]\Delta[/itex]E
    3. True
    4. True
     
  2. jcsd
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