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Thermodynamics Problem

  1. Jan 28, 2013 #1
    Six grams of water changes from liquid to
    vapor at a pressure of one atmosphere. In the
    process, the volume changes from 0.9 cm^3
    to2387 cm^3. The latent heat of vaporization of
    water is 2.26 × 10^6 J/kg

    Find the increase in internal energy of the
    Answer in units of J

    When i did this i did Q=mL. I got 13500J to be my answer and the program I'm using said it was wrong
  2. jcsd
  3. Jan 28, 2013 #2
    I answered it myself i had to subtract my work from my answer
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