Elementary Principles 122

# Elementary Principles 122 - 5.24(cont'd Monthly revenue...

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5- 10 5.24 (cont’d) Monthly revenue: ( ) ( ) ( ) ( ) 4043 kg h 24 h day 30 days month \$0.60 kg \$1,747,000 month = c. Mass flow rate at Noxious plant after diversion: 3 3 400 m 273 K 2.8 atm 1 kmol 44.09 kg 1986 kg hr hr 303 K 1 atm 22.4 m kmol = ( ) Propane diverted 4043 1986 kg h 2057 kg h =− = 5.25 a. P y P = 0.35 (2.00 atm) = 0.70 atm He He =⋅ P y P = 0.20 (2.00 atm) = 0.40 atm CH CH 44 P y P = 0.45 (2.00 atm) = 0.90 atm NN 22 b. Assume 1.00 mole gas 035 140 020 321 045 1261 17 22 0186 .. . . . mol He 4.004 g mol g He mol CH 16.05 g mol g CH mol N 28.02 g mol g N g mass fraction CH g 17.22 g 4 F H G I K J = F H G I K J = F H G I K J = U V | | | W | | | ⇒= = c. MW g of gas mol g/mol == 17 2 . d. ρ gas ma tm kmol K 3 m V nMW V PMW RT atm kg / kmol 0.08206 K kg / m 3 = = = didi bg b g e j 200 172 3632 115 . . 5.26 a. It is safer to release a mixture that is too lean to ignite.
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## This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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