One end of a metal rod is in contact with a reservoir at a 400K and the other end in contact with a reservoir at 100K.The rod and reservoirs make up a closed system.If 5500 J are conducted from one end to the other uniformly (no change in temperature along the rod) what is the change in entropy of the system?
A) 8.56 J/K
B) 10.9 J/K
C) 25.4 J/K
D) 41.3 J/K
E) 68.8 J/K
Correct Answer:
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