One-quarter lbmol of oxygen gas (O2) undergoes a process from p1 = 20 lbf/in2, T1 = 500oR to p2 = 150 lbf/in2. For the process W = -500 Btu and Q = -140.0 Btu. Assume the oxygen behaves as an ideal gas.  Determine T2, in oR, and the change in entropy, in Btu/oR.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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One-quarter lbmol of oxygen gas (O2) undergoes a process from p1 = 20 lbf/in2T1 = 500oR to p2 = 150 lbf/in2. For the process W = -500 Btu and = -140.0 Btu. Assume the oxygen behaves as an ideal gas. 

Determine T2, in oR, and the change in entropy, in Btu/oR.

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