Physical science

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A hot iron ball is dropped into 200g of cooler water. The water temperature increases by 2.0 degrees C and the temperature of the ball decreases by18.6 degrees C. What is the mass of the iron ball?

  • Physical science -

    Q1=Q2
    c(i) •m(i) •ΔT(i) = c(w) •m(w) •ΔT(w)
    444• m•18.6=4180•0.2•2
    m=4180•0.2•2/444•18.6 =0.2 kg

  • Physical science -

    1494

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