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Compressibility Factors: critical props
hydrogen sulfide to n octane
Generalized compressibility factor Z = Z0 + omega*Z1 (Lee-Kesler correlation) as a function of reduced temperature (Tr) and reduced pressure (Pr), plus critical properties (Tc, Pc, acentric factor omega) for ~41 common engineering gases and fluids
| record type | sort key | Pc bar (bar) | Tc K (K) | gas | omega |
|---|---|---|---|---|---|
| critical props | hydrogen sulfide | 89.4 | 373.2 | hydrogen sulfide | 0.081 |
| critical props | isobutane | 36.5 | 408.2 | isobutane | 0.183 |
| critical props | isopentane | 33.9 | 460.4 | isopentane | 0.227 |
| critical props | krypton | 55 | 209.4 | krypton | 0.005 |
| critical props | methane | 46 | 190.4 | methane | 0.011 |
| critical props | methanol | 80.9 | 512.6 | methanol | 0.556 |
| critical props | n butane | 38 | 425.2 | n butane | 0.199 |
| critical props | n heptane | 27.4 | 540.3 | n heptane | 0.349 |
| critical props | n hexane | 30.1 | 507.5 | n hexane | 0.299 |
| critical props | n octane | 24.9 | 568.8 | n octane | 0.398 |
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