One End of a Metal Rod Is in Contact with a Reservoir

question 56

Multiple Choice

One end of a metal rod is in contact with a reservoir at a 400 K and the other end in contact with a reservoir at 100 K.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 400 K reservoir?

• A)10.5 J/K
• B)8.56 J/K
• C)0.00 J/K
• D)-11.8 J/K
• E)-13.8 J/K

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