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Homework Help: Will expansion increases potential energy?

  1. Aug 30, 2004 #1
    imaginge this:first there is a 10 degree celsius water. When we heat it , then its temperature will increase . Will its potential energy changes before it change of state
     
  2. jcsd
  3. Aug 30, 2004 #2

    HallsofIvy

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    Define "potential energy" in this case. If you mean the potential energy due to gravity, then, yes, the very very slight increase in the height of the water (in the beaker, flask, whatever) will result in a tiny increase of potential energy. That will, of course, come from the heat causing the temperature change (and will, very slightly, reduce the temperature rise.)
     
  4. Aug 31, 2004 #3
    yes i mean gravity thx for solving my problem
     
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