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Homework Help: Specific Heat Please help

  1. Nov 4, 2007 #1
    Specific Heat...Please help!!

    1. The problem statement, all variables and given/known data
    A metal container, which has a mass of 7.2 kg contains 14.7 kg of water. A 2.1-kg piece of the same metal, initially at a temperature of 200.0°C, is dropped into the water. The container and the water initially have a temperature of 14.3°C and the final temperature of the entire system is 16.3°C. Calculate the specific heat of the metal.


    2. Relevant equations
    Q = M*C*CHANGE IN TEMP.


    3. The attempt at a solution
    M = 2.1 KG
    CHANGE IN TEMP = What initial temperature do I use??
    Q = ? How do calculate this?
    C = ?
     
  2. jcsd
  3. Nov 4, 2007 #2

    learningphysics

    User Avatar
    Homework Helper

    use conservation of energy.

    The mc*deltat 's of all the items involved add to 0.

    what equation do you get?
     
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