2. Consider this item as REAL gases: Two hundred and fifty pounds of a mixture of 6.63.% propane 17.47% n-butane, and 75.9%-pentane is completely vaporized in a pipe still in one hour. At the outlet, the temperature anc pressure are 433 F and 600 psia. What is the volumetric flow rate in CFS at the outlet conditions? Above data are Xi values. Answer: cubic feet per second The physical properties of the gas are: Tc Pc MW Propane 369.9 K 665.8 R 42.0 atm 44 Butane 425.17 K 765.31 R 37.47 atm 58 Pentane 469.8 K 845.64 R 33.3 atm 72

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