Answered: Question 1: Calculate the change of… | bartleby

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Question 1:
Calculate the change of specific entropy, in , across the valve shown if the working fluid is air
Lkg-
(Rair = 0.287,
kg-K
T, = 500 K
P = 3.5 bar
T2 = 500 K
P2 = 1 bar
Question 2:
Calculate the change of entropy, in units of . for 3 kg of water vapor contained in a piston-cylinder
system that condenses from a saturated vapor at 2 bar to a saturated liquid at 2 bar.

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