
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Transcribed Image Text:1 kg of air expands from a pressure of 700 kPa and a temperature of
650 K to a pressure of 200 kPa and a temperature of 480 K.
Calculate the entropy change in this process under each of the
conditions given below.
(a) When the specific heat ratio of air k=1.4.
(b) when the specific heat of air is a function of temperature
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