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Compressibility Factors: critical props
n pentane to water
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 | n pentane | 33.7 | 469.7 | n pentane | 0.251 |
| critical props | neon | 27.6 | 44.4 | neon | -0.029 |
| critical props | nitrogen | 33.9 | 126.2 | nitrogen | 0.039 |
| critical props | nitrous oxide | 72.4 | 309.6 | nitrous oxide | 0.165 |
| critical props | oxygen | 50.4 | 154.6 | oxygen | 0.025 |
| critical props | propane | 42.5 | 369.8 | propane | 0.153 |
| critical props | propylene | 46 | 364.9 | propylene | 0.144 |
| critical props | sulfur dioxide | 78.8 | 430.8 | sulfur dioxide | 0.256 |
| critical props | toluene | 41 | 591.8 | toluene | 0.263 |
| critical props | water | 221.2 | 647.3 | water | 0.344 |
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