A 400-g piece of metal at 120.0°C is dropped into a cup containing 450 g of water at 15.0°C
The final temperature of the system is measured to be 40.0°C. What is the specific heat of the metal, assuming no heat is exchanged with the surroundings or the cup? The specific heat of water is 4190 J/(kg ? K).
A) 1470 J/(kg ? K)
B) 2830 J/(kg ? K)
C) 3420 J/(kg ? K)
D) 3780 J/(kg ? K)
E) 4280 J/(kg ? K)
Answer: A
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