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3. (14 points) Determine whether it is possible to compress air adiabatically from 70 kPa and 310 K to 140 kPa and 390 K. a.
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S7achaug in eutropg epln Ru) ( AS= 140 - b00s lu ( 399 3/0 -282 ln O.0317 K g-k drys 45 Nadiabade 140 Fro 1-44 1-4-7 7b/1-4 9

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