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Heat of fusion - Please Help

  1. Nov 27, 2006 #1
    Determine the final temperature Tf, that results when 77 grams of ice at 0 °C are mixed with 300 grams of liquid water at 50 °C.
    Specific heat of water: c = 1.00 cal/(gram*°C).
    Heat of fusion for the ice - liquid water transition: cF = 79.7 cal/gram

    I have tried this several times and several different ways and cannot solve the answer.
  2. jcsd
  3. Nov 27, 2006 #2


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    Tell us how you think it should be done, even if you did get the wrong answer. Then we can help you.
  4. Nov 27, 2006 #3
    What are your thoughts on this?

    Apply conservation of thermal energy. Take in the before and after situation and equate the increase of wnergy with the loss of energy.
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