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One end of a metal rod is in contact with a thermal reservoir at 691 K, and the other end is in contact with a thermal reservoir at 105 K. The rod and reservoirs make up a closed system. If 7190 J are conducted from one end of the rod to the other uniformly (no change in temperature along the rod) ...
a) what is the change in entropy of the 691-K reservoir?
b) what is the change in entropy of the 105-K reservoir?
c) what is the change in entropy of the rod?
d) what is the change in entropy of the system?
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