A block of iron weighing 100 kg and having a temperature of 100°C is immersed in 50 kg of water at a temperature of 20°C. What will be the change of entropy of the combined system of iron and water? Specific heats of iron and water are 0.45 and 4.18 kJ/kg K respectively.

Elements Of Electromagnetics
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A block of iron weighing 100 kg and having a temperature of 100°C is immersed in 50 kg of water at a
temperature of 20°C. What will be the change of entropy of the combined system of iron and water?
Specific heats of iron and water are 0.45 and 4.18 kJ/kg K respectively.
Transcribed Image Text:A block of iron weighing 100 kg and having a temperature of 100°C is immersed in 50 kg of water at a temperature of 20°C. What will be the change of entropy of the combined system of iron and water? Specific heats of iron and water are 0.45 and 4.18 kJ/kg K respectively.
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