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November 21, 2014

November 21, 2014

Posted by **Claire** on Thursday, October 9, 2008 at 1:38pm.

(The Specific Heat Capacity of iron is 400 J/kg/K and that of water is 4200 J/kg/K)

The answer has to be 27 C. Can someone help me please?

- Physics -
**bobpursley**, Thursday, October 9, 2008 at 2:36pmThe sum of the heats gained is zero (some will be negative heat gained, or absorbed).

Heat gained by iron+heat gained by calorimeter+heat gained by water=0

miron*Ciron(Tf-100)+mcalor*ccalor*(Tf-15)+masswater*cwater*(Tf-15)=0

do the algebra, solvr for Tf.

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