Question

Calculate the gas formation volume factor in ft³/SCF and the gas density in lbmass/ft³ for the following gas phase composition at 4000 psia and 180 °F. Note that molecular weight of air is 28.97 lbmass/lbmole. Component Gas phase (mole %) Molecular weight (lbmass/lbmole) Methane 71 16.043 Ethane 10 30.074 Propane 9 44.097 i-Butane 3 58.123 n-Butane 4 58.123 i-Pentane 2 72.150 n-Pentane 1 72.150 100

          Calculate the gas formation volume factor in ft³/SCF and the gas density in lbmass/ft³ for the
following gas phase composition at 4000 psia and 180 °F. Note that molecular weight of air is
28.97 lbmass/lbmole.
Component
Gas phase
(mole %)
Molecular weight
(lbmass/lbmole)
Methane
71
16.043
Ethane
10
30.074
Propane
9
44.097
i-Butane
3
58.123
n-Butane
4
58.123
i-Pentane
2
72.150
n-Pentane
1
72.150
100

Calculate the gas formation volume factor in ft³/SCF and the gas density in lbmass/ft³ for the
following gas phase composition at 4000 psia and 180 °F. Note that molecular weight of air is
28.97 lbmass/lbmole.
Component
Gas phase
(mole %)
Molecular weight
(lbmass/lbmole)
Methane
71
16.043
Ethane
10
30.074
Propane
9
44.097
i-Butane
3
58.123
n-Butane
4
58.123
i-Pentane
2
72.150
n-Pentane
1
72.150
100

Added by Brian E.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adedamola Opalade

Step 1

Average MW = (0.71 × 16.043) + (0.10 × 30.074) + (0.09 × 44.097) + (0.03 × 58.123) + (0.04 × 58.123) + (0.02 × 72.150) + (0.01 × 72.150) Average MW = 11.39053 + 3.0074 + 3.96873 + 1.74369 + 2.32492 + 1.4430 + 0.72150 Average MW = 24.60 lbmass/lbmole Show more…

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Calculate the gas formation volume factor in ft/SCF and the gas density in lbmass/ft3 for the following gas phase composition at 4000 psia and 180Â°F. Note that the molecular weight of air is 28.97 lbmass/lbmole. Gas phase (mole %): 71 10 9 3 Molecular weight (lbmass/lbmole): 16.043 30.074 44.097 58.123 Component: Methane Ethane Propane i-Butane n-Butane i-Pentane n-Pentane