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Homework Help: Hot metal in kalorimeter

  1. Oct 16, 2014 #1
    1. The problem statement, all variables and given/known data
    A copper vessel of 100 gr contains water, 150 gr, and 8 gr of ice. a 100 gr piece of lead at 2000C is thrown in. what's the final temp'

    2. Relevant equations
    Specific heat copper: 0.093
    Specific heat lead: 0.031
    Melting heat water: 79.7[cal/gr]

    3. The attempt at a solution
    On the left is the calorie change in the lead:
    ##100\cdot 0.031(200-T)=(158+100\cdot 0.093)T+8\cdot 79.7##
    T comes out small and negative
  2. jcsd
  3. Oct 16, 2014 #2
    I solved, it doesn't melt the whole ice, i cannot delete the thread, i don't know how to do it
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