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Themo:water entropy from mass, volume, temp

  1. Mar 27, 2012 #1
    1. The problem statement, all variables and given/known data
    Find the entropy (s) of the region
    Temperature=300°C
    Specific Volume(sv)=2 m^3/kg
    Volume(V)=500 m^3


    2. Relevant equations

    V/(sv)=M
    M=250kg

    3. The attempt at a solution

    Without the pressure I'm unsure how to look up the entropy from the Steam tables so if anyone has any ideas I'd appreciate it.

    thanks
     
  2. jcsd
  3. Mar 28, 2012 #2

    rude man

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    Gold Member

    Assume constant specific heat between the state at which S = 0 and your state, then integrate.
     
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