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A brass rod is in thermal contact with a constant-temperature reservoir at 127 C at one end and a constant-temperature reservoir at 37.2 C at the other end. (a) What is the entropy change of the system of rod and two reservoirs? (b) What is the total change in entropy of the rod-reservoirs system when 5090 J is conducted through the rod, from one reservoir to the other? (a) Number Units (b) Number Units V X .C Hint Co J/K mol Save for Later Attempts: 0 of 1 used Submit Answer J/kg.K J/mol.K KJ/kg kg/mole /Co or (Co)~-1 Co/s J/K.S J/mol J /K.m -7