ENPE 251, assignment 7 - 11.27 1.17 Molar Volume, V O F O F...

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Question 01 Substance Methane Composition 1 (pure substance) Cell Volume, V 0.01 cf Amount, n 0 lb-mole 3.15 cf/lb-mole Temperature, T 66 526 R 1R 460 Gas Constant, R 10.73 psia.cf/lb-mol.R a) If the gas behaves like an ideal gas, the pressure to be expected is computed below; R, psia.cf/lb-mol.R V, cf n, lb M, lb/lb-mole m, lb T, R 10.73 0.01 0 16 0.04 3.15 526 b) Using the Peng-Robinson equation of state; 0.46 0.07780 -116.67 343.33 R 666.4 psia 1.53 1.24 ω 0.01 m 0.39 α 0.82 a 9315.24 b 0.43 2076.47 psia -aα -7665.17
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Unformatted text preview: 11.27 1.17 Molar Volume, V O F O F V m , cf/lb-mole a b T cr O F P cr T r T r ^.5 P rep V m (V m + b) b(V m- b)-616.25 psia P 1460.23 psia c) For the molar volume at 1200psia A 0.29 B 0.09 B-1-0.91 0.08 0.02 Using a cubic equation solver;-0.1 0.23 0.78 P, psia R, psia.cf/lb-mol.R T, R Z 1200 10.73 526 0.78 3.65 P attr A-2B-3B 2 AB - B 2- B 3 Z 1 Z 2 Z 3 V m , cf/lb-mole P, psia 1792.8...
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ENPE 251, assignment 7 - 11.27 1.17 Molar Volume, V O F O F...

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