A chunk of lead at 91.6°C was added to 200.0 g of water at 15.5°C.The specific heat of lead is 0.129 J/g°C,and the specific heat of water is 4.18 J/g°C.When the temperature stabilized,the temperature of the mixture was 17.9°C.Assuming no heat was lost to the surroundings,what was the mass of lead added?
A) 1.57 kg
B) 170 g
C) 204 g
D) 211 g
E) none of these
Correct Answer:
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