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Home All issues Volume 76 (2021) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 76 (2021) 18 Full HTML
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Table 2

Enthalpy and Gibbs free energy of formation and heat capacity parametersa,b of pure components.

Component (kJ mol−1) (kJ mol−1) A B × 103 C × 106 D × 109 E × 10−6
H2S −20.502 −33.329 26.8841 18.6780 3.4342 −3.3787 0.1359
CO2 −393.522 −394.389 24.9974 55.1870 −33.6910 7.9484 −0.1366
CO −110.527 −137.163 25.5676 6.0961 4.05470 −2.6713 0.1310
CS2 116.943 66.816 35.8539 52.4912 −40.8370 12.0016 −0.2248
COS −138.407 −165.601 34.5389 43.0538 −26.6180 6.3388 −0.3275
SO2 −296.842 −300.125 21.4305 74.3509 −57.7520 16.3553 0.0867
S2 128.6 79.687 33.5131 5.0654 −1.0597 0.08991 −0.2119
H2 0 0 33.0662 −11.3634 11.4328 −2.7729 −0.1586
N2 0 0 28.9864 1.8540 −9.6475 16.6354 0.0001
H2O −241.826 −228.582 30.0920 6.8325 6.7934 −2.5345 0.0821
a

Cp = A + B × T + C × T2 + D × T3 + E × T−2.

b

Parameters in this table are for certain temperature range, for full range NIST website to be consulted.

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