An 100-g piece of copper, initially at 295°C, is dropped into 250 g of water contained in a 300-g aluminum calorimeter; the water and calorimeter are initially at 10.0°C. What is the final temperature of the system? (Specific heats of copper and aluminum are 0.0920 and 0.215 cal/g•°C, respectively. cw = 1.00 cal/g•°C)
a. 12.8°C
c. 18.1°C
b. 16.5°C
d. 32.1°C
C
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