A system is absorbs 200 J of heat reversibly from a reservoir at 300 K and gives off 100 J reversibily to reservoir at 200 K at it moves from state A to state B. During this process, the system does 50 J of work.  A) What is the change in the internal energy of the system?  B) What is the change in entropy of the sytem?  C) What is the change in entropy of the universe?  D) if the system goes from state A to state B by a nonreversible process hoe would your answers for parts (a),(b),and (c) differ?

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter22: Heat Engines, Entropy, And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 22.4OQ: Of the following, which is not a statement of the second law of thermodynamics? (a) No heat engine...
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A system is absorbs 200 J of heat reversibly from a reservoir at 300 K and gives off 100 J reversibily to reservoir at 200 K at it moves from state A to state B. During this process, the system does 50 J of work. 

A) What is the change in the internal energy of the system? 

B) What is the change in entropy of the sytem? 

C) What is the change in entropy of the universe? 

D) if the system goes from state A to state B by a nonreversible process hoe would your answers for parts (a),(b),and (c) differ?

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