Email a copy of 'An iron cube at a temperature of 400^o C is dropped into an insulated bath containing 10kg water at 25^o C. the water finally reaches a temperature of 50^o C at steady state. Given that the specific heat of water is equal to 4186 J / kg K. find the entropy changes for the iron cube and the water. Is the process reversible? If so why?' to a friend

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