Question

A 94.7-g sample of silver (s=0.237J/(g·ºC)), initially at 348.25ºC, is added to an insulated vessel containing 143.6g of water (s=4.18 J/(g·ºC)), initially at 13.97ºC. At equilibrium, the final temperature of the metal-water mixture is 22.63ºC. How much heat was absorbed by the water? The heat capacity of the vessel is 0.244kJ/C.
A) 5.20 kJ
B) 3.09 kJ
C) 7.31 kJ
D) 9.12 kJ
E) 129 kJ

Answer

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