A 5 kg of water at temperature of 47°C is mixed with the 5 kg of water at 77°C. Find the change in entropy of universe. Consider that the specific heat of water at constant pressure is 4.2 kJ/kg. Answer Choices: a) 4.73 kJ/K b) 7.62 kJ/K c) 1.33 kJ/K d) 2.352 kJ/K

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 5 kg of water at temperature of 47°C is mixed with the 5 kg of water at 77°C. Find
the change in entropy of universe. Consider that the specific heat of water at constant
pressure is 4.2 kJ/kg.
Answer Choices:
a) 4.73 kJ/K
b) 7.62 kJ/K
c) 1.33 kJ/K
d) 2.352 kJ/K
Transcribed Image Text:A 5 kg of water at temperature of 47°C is mixed with the 5 kg of water at 77°C. Find the change in entropy of universe. Consider that the specific heat of water at constant pressure is 4.2 kJ/kg. Answer Choices: a) 4.73 kJ/K b) 7.62 kJ/K c) 1.33 kJ/K d) 2.352 kJ/K
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