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A 40 kg iron block (C_p = 0.45 kJ/Kg-K) at 60 C is brought into contact in an insulated environment with a 30 kg aluminum

A 40 kg iron block (C_p = 0.45 kJ/Kg-K) at 60 C is brought into contact in an insulated environment with a 30 kg aluminum block (C_p = 0.93 kJ/kg-K) at 140 C. After sufficient time, the two blocks reach thermal equilibrium.

Find: Equilibrium Temperature, Change in Entropy of Iron and Aluminum Block, Entropy Generation during the process.

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