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Don't understand Enthalpy

  1. Sep 8, 2011 #1
    What is Enthalpy? I mean how is it different than heat. Also Enthalpy= change in energy+pressure*(change in volume). I don't understand where the PV comes into play in this equation.
  2. jcsd
  3. Sep 9, 2011 #2


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    Staff: Mentor

    Have you read your book, or wikipedia? What do the say?

    You have to show your attempts before receiving help. This is a forum policy.
  4. Sep 13, 2011 #3
    It can also be usefull to look around in this forum, for example at:
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