Properties of Common Components in Natural GasesB.P. Sp. Heat (60F/1atm) Heating Value

100 FComp. MW R wj ft^3/lbm (60F/1atm) F psia Zsc Ideal Gas Liquid Net Gross

C1 16.043 666.4 343.00 0.01 0.0988 0.3* -258.73 5000* 0.9980 0.52669 --- 909.4 1010.0C2 30.070 706.5 549.59 0.1 0.0783 0.35619* -127.49 800* 0.99 0.41 0.97 1618.7 1769.6C3 44.097 616.0 665.73 0.15 0.0727 0.50699* -43.75 188.64 0.98 0.39 0.62 2314.9 2516.1iC4 58.123 527.9 734.13 0.19 0.0714 0.56287* 10.78 72.58 0.97 0.39 0.57 3000.4 3251.9nC4 58.123 550.6 765.29 0.2 0.0703 0.58401* 31.08 51.71 0.97 0.39 0.57 3010.8 3262.3iC5 72.150 490.4 828.77 0.2280 0.0679 0.62470 82.12 20.45 --- 0.38440 0.53 3699.0 4000.9nC5 72.150 488.6 845.47 0.25 0.0675 0.63 96.92 15.57 --- 0.39 0.54 3706.9 4008.9C6 86.177 436.9 913.27 0.3 0.0688 0.66 155.72 4.96 --- 0.39 0.53 4403.8 4755.9C7 100.204 396.8 972.37 0.35 0.0691 0.68820 209.16 1.620 --- 0.38 0.53 5100.0 5502.5C8 114.231 360.7 1023.89 0.4 0.0690 0.71 258.21 0.54 --- 0.38 0.52 5796.1 6248.9C9 128.258 331.8 1070.35 0.44 0.0684 0.72 303.47 0.18 --- 0.38 0.52 6493.2 6996.5

C10 142.285 305.2 1111.67 0.49 0.0679 0.73 345.48 0.06 --- 0.38 0.52 7189.2 7742.9H2S 34.080 1300 672.12 0.09 0.05 0.80144* -76.5 394.59 0.98 0.24 0.5 586.8 637.1CO2 44.010 1071 547.58 0.27 0.03 0.81802* -109.257* --- 0.99 0.2 --- 0.0 0.0N2 28.0134 493.1 227.16 0.04 0.0510 0.80940* -320.45 --- 1 0.25 --- 0.0 0.0

* = ExtrapolatedSource: Gas Processors Suppliers Association Engineering Data Book, VII, 10th Edition, Tulsa, OK (1987)

Vap. P.Pcj Tcj Vcj Sp.Gr. 1 atm Btu/lbm/F btu/scf (60F/1atm)psia