System: carbon dioxide/helium
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| 1) carbon dioxide |
| DECHEMA ID | 5136 |
| Formula | CO2 |
| Synonym | R 744 |
| Synonym | frigen 744 |
| Synonym | carbon oxide (CO2) |
| Synonym | carbonic acid gas |
| Synonym | carbonic anhydride |
| Synonym | dry ice |
| Synonym | refrigerant 744 |
| InChi-Key | CURLTUGMZLYLDI-UHFFFAOYSA-N |
| Registry No. | 124-38-9 |
| 2) helium |
| DECHEMA ID | 39927 |
| Formula | He |
| Synonym | R 704 |
| Synonym | helium-4 |
| Synonym | o-helium |
| Synonym | p-helium |
| Synonym | refrigerant 704 |
| InChi-Key | SWQJXJOGLNCZEY-UHFFFAOYSA-N |
| Registry No. | 7440-59-7 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| 2nd interaction virial coefficient | gas | 3 | 16 | View |
| 2nd virial coefficient | gas | 1 | 3 | View |
| compressibility factor | gas | 6 | 1059 | View |
| critical density | - | 1 | 11 | View |
| critical pressure | - | 2 | 16 | View |
| critical temperature | - | 1 | 11 | View |
| density | gas | 10 | 1400 | View |
| dielectric constant at frequency of 0 | gas | 1 | 15 | View |
| diffusion coefficient | gas | 2 | 57 | View |
| enthalpy | gas | 6 | 1060 | View |
| enthalpy of mixing | gas | 9 | 1165 | View |
| entropy | gas | 6 | 1060 | View |
| heat capacity (cp) | gas | 6 | 1060 | View |
| PVT-data | - | 3 | 276 | View |
| thermal conductivity | gas | 4 | 62 | View |
| thermal conductivity | - | 1 | 11 | View |
| vapor-liquid equilibrium | - | 3 | 99 | View |
| vapor-liquid equilibrium, isothermal | - | 6 | 209 | View |
| viscosity, dynamic | gas | 4 | 319 | View |
| viscosity, dynamic | - | 1 | 231 | View |
| volume of mixing | gas | 6 | 1059 | View |