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A small “coffee cup” calorimeter contains 110. g of H2O at 22.0°C. A 100. g sample of lead is heated to 90.0°C and then placed in the water. The contents of the calorimeter come to a temperature of 23.9°C What is the specific heat of lead?

  • chem -

    heat lost by metal + heat gained by water = 0
    [mass lead x specific heat lead x (Tfinal-Tinitial)] + [mass water x specific heat water x (Tfinal-Tinitial)]=0
    Substitute the numbers and solve for the one unknown in the equation.

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