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Thermal Ex

  1. Sep 12, 2010 #1
    1. The problem statement, all variables and given/known data
    How much water remains unfrozen after 50.2kJ is transferred as heat from 260g of liquid water initially at its freezing point?

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 12, 2010 #2

    rock.freak667

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    What equations do you think you will need here? Sensible heating maybe?


    You need to show some attempt before anyone at PF can help you.
     
  4. Sep 12, 2010 #3
    k may b these equations

    Q =mc(Tf - Ti)
    Q =+/-mL
     
  5. Sep 13, 2010 #4

    rock.freak667

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    So how much mass is converted from ice to water?
     
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