A 20 kg aluminum block initially at 500 C is brought into contact with a 20 kg block of iron at 100 C in an insulated enclosure. The final equilibrium temperature of the two blocks is 646.51 K. The specific heat of the aluminum block is 0.973 kJ/kgK. The specific heat of the iron block is 0.45 kJ/kgK. What is the total change in entropy of the two blocks during this process in units of kJ/K? Select the answer that is closest to the true value. A) 0.535 B) 0.987 C) 1.473 D) 1.966 O B OD

A 20 kg aluminum block initially at 500 C is brought into contact with a 20 kg block of iron at 100 C in an insulated enclosure. The final equilibrium temperature of the two blocks is 646.51 K. The specific heat of the aluminum block is 0.973 kJ/kgK. The specific heat of the iron block is 0.45 kJ/kgK. What is the total change in entropy of the two blocks during this process in units of kJ/K? Select the answer that is closest to the true value. A) 0.535 B) 0.987 C) 1.473 D) 1.966 O B OD

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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