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9th grade math question?
A hot 0.25-kg piece of iron is placed in a calorimeter containing room temperature water. How much heat is lost by the iron as it cools from 125 drgree C to 75 degree C?
I need the given/ work/ and answer. Also how much heat is gained, plz explain so I will understand. Thanks
1 Answer
- Anonymous9 years agoFavorite Answer
Heat capacity of water is 418.6 J/(kg*k). Change in Temp is 50 Degrees K. So the energy lost is
418.6 J/(kg*k)*.25 kg*50 K = 5232.5 J of heat are lost.