An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of 20°C. A 120-g piece of metal, initially at 352°C, is added to the calorimeter. The final temperature at equilibrium is 32°C
Assume there is no external heat exchange. The specific heats of aluminum and water are 910 J/kg•K and 4190 J/kg•K, respectively. The specific heat of the metal is closest to A) 520 J/kg ? K.
B) 480 J/kg ? K.
C) 390 J/kg ? K.
D) 350 J/kg ? K.
E) 560 J/kg ? K.
A
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