System: argon
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| 1) argon |
| DECHEMA ID | 39908 |
| Formula | Ar |
| Synonym | R 740 |
| Synonym | frigen 740 |
| Synonym | argon-40 |
| Synonym | refrigerant 740 |
| InChi-Key | XKRFYHLGVUSROY-UHFFFAOYSA-N |
| Registry No. | 7440-37-1 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| 2nd virial coefficient | gas | 25 | 174 | View |
| 3rd virial coefficient | gas | 1 | 3 | View |
| acentric factor Omega | - | 7 | 7 | View |
| adiabatic compressibility | gas | 1 | 27 | View |
| boiling temperature | - | 3 | 3 | View |
| compressibility factor | gas | 4 | 634 | View |
| critical compressibility factor | - | 8 | 8 | View |
| critical density | - | 13 | 20 | View |
| critical pressure | - | 40 | 46 | View |
| critical temperature | - | 53 | 62 | View |
| critical volume | - | 26 | 27 | View |
| density | - | 8 | 246 | View |
| density | liquid | 59 | 1787 | View |
| density | gas | 115 | 7858 | View |
| density | solid | 7 | 72 | View |
| dielectric constant | gas | 9 | 240 | View |
| dielectric constant | solid | 1 | 1 | View |
| dielectric constant | liquid | 8 | 125 | View |
| diffusion coefficient | - | 1 | 10 | View |
| diffusion coefficient | liquid | 2 | 1 | View |
| diffusion coefficient | gas | 15 | 239 | View |
| energy | liquid | 1 | 16 | View |
| enthalpy | gas | 23 | 1545 | View |
| enthalpy | liquid | 7 | 159 | View |
| enthalpy departure function (H=S=0 for ideal gas at 0K and 1kPa) | gas | 1 | 36 | View |
| enthalpy departure function (H=S=0 for ideal gas at 0K and 1kPa) | liquid | 1 | 36 | View |
| enthalpy of formation | gas | 2 | 41 | View |
| enthalpy of fusion | - | 9 | 14 | View |
| enthalpy of sublimation | - | 3 | 23 | View |
| enthalpy of vaporization | - | 8 | 137 | View |
| entropy | gas | 22 | 1505 | View |
| entropy | liquid | 7 | 159 | View |
| entropy departure function (H=S=0 for ideal gas at 0K and 1kPa) | liquid | 1 | 36 | View |
| entropy departure function (H=S=0 for ideal gas at 0K and 1kPa) | gas | 1 | 36 | View |
| entropy of fusion | - | 1 | 1 | View |
| equilibrium constant of formation | gas | 1 | 40 | View |
| free enthalpy of formation | gas | 1 | 1 | View |
| fusion pressure | - | 14 | 135 | View |
| fusion temperature | - | 23 | 144 | View |
| heat capacity | liquid | 2 | 65 | View |
| heat capacity (cp) | gas | 35 | 2650 | View |
| heat capacity (cp) | solid | 3 | 137 | View |
| heat capacity (cp) | liquid | 11 | 120 | View |
| heat capacity (cv) | - | 1 | 93 | View |
| heat capacity (cv) | gas | 14 | 1485 | View |
| isothermal compressibility | gas | 2 | 34 | View |
| isothermal compressibility | liquid | 1 | 6 | View |
| Joule Thomson coefficient | liquid | 2 | 21 | View |
| Joule Thomson coefficient | gas | 4 | 278 | View |
| melting point | - | 7 | 7 | View |
| normal boiling point | - | 9 | 9 | View |
| octanol/water partition coefficient | - | 4 | 4 | View |
| pressure of sublimation | - | 8 | 159 | View |
| PVT-data | - | 3 | 119 | View |
| refractive index, Na-D-line | liquid | 1 | 1 | View |
| sound velocity | solid | 2 | 4 | View |
| sound velocity | liquid | 21 | 566 | View |
| sound velocity | gas | 31 | 1958 | View |
| sublimation temperature | - | 11 | 182 | View |
| surface tension | liquid | 19 | 149 | View |
| temperature derivative of vapor pressure | - | 1 | 16 | View |
| thermal conductivity | gas | 203 | 7509 | View |
| thermal conductivity | solid | 3 | 7 | View |
| thermal conductivity | - | 2 | 1721 | View |
| thermal conductivity | liquid | 19 | 751 | View |
| thermal expansivity | solid | 1 | 41 | View |
| triple point | - | 4 | 4 | View |
| triple point pressure | - | 11 | 12 | View |
| triple point temperature | - | 18 | 19 | View |
| UNIQUAC area parameter | - | 1 | 1 | View |
| UNIQUAC volume parameter | - | 1 | 1 | View |
| vapor pressure | - | 83 | 1252 | View |
| viscosity, dynamic | liquid | 40 | 658 | View |
| viscosity, dynamic | gas | 156 | 4986 | View |
| viscosity, dynamic | - | 1 | 1760 | View |
| viscosity, kinematic | liquid | 2 | 22 | View |
| viscosity, kinematic | gas | 1 | 36 | View |
| volume | liquid | 23 | 455 | View |
| volume | gas | 42 | 3618 | View |
| volume | solid | 2 | 84 | View |
| volume | - | 5 | 655 | View |
| volume of melting | - | 1 | 1 | View |