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A 30 kg iron was put in a container with 14.33 kg water. The water is at 10oC and the iron has an initial temperature of 439oK until the iron was in...
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A 30 kg iron was put in a container with 14.33 kg water. The water

is at 10oC and the iron has an initial temperature of 439oK until the iron was in thermal equilibrium with water. Find the change in entropy. (Cp = 0.4 kJ/kgoK)
A. -12.56 kJ/oK
C. -25.78 kJ/oK
B. -43.58 kJ/oK
D. -6.6 kJ/ok

Step-by-step answer

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