A 25 kg copper block at 373 K is dropped into an insulated tank that contains 80 L of water at 293 K. Assume that the specific heat of steel is 0.72 kJ/kg-K and that of oil is 2.4 kJ/kg.K. 1.  Determine the final equilibrium temperature. Answer in kJ/K 2.  Calculate the total change in entropy. Answer in  kJ/K  3.  Compute the amount of work lost in the process. Answer in kJ/K

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 25 kg copper block at 373 K is dropped into an insulated tank that contains 80 L of water at 293 K. Assume that the specific heat of steel is 0.72 kJ/kg-K and that of oil is 2.4 kJ/kg.K.

1.  Determine the final equilibrium temperature.

Answer in kJ/K

2.  Calculate the total change in entropy.

Answer in  kJ/K 

3.  Compute the amount of work lost in the process.

Answer in kJ/K

 

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