A 3.00-kg block of silicon at 60.0°C is immersed in 6.00 kg of mercury at 20.0°C. What is the entropy increase of this system as it moves to equilibrium? The specific heat of silicon is 0.17 cal/(g∙K) and the specific heat of mercury is 0.033 cal/(g∙K) .
A) 8.8 × 10-1 J/K
B) 4.8 J/K
C) 6.9 J/K
D) 5.2 × 10-2 J/K
E) -0.46 J/K
Correct Answer:
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