26-08-2013, 08:16 PM
A block of iron weighing 90kg and having a temperature of 90oC is immersed in 50kg of water at
a temperature of 25oC. What will be the change of entropy of the combined system of iron and
water?. Specific heats of iron and water and water are 0.45 and 4.18kJ/kgK respectively.
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