An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of
A
piece of metal, initially at
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.
Correct Answer:
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