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Gases and liquids
Material values of all gases and liquids, with our own phase diagram for each substance.
Material values
| Substance | State | Molar mass | Heat capacity | Freezing point | Boiling point at 101.3 kPa | Critical | Role |
|---|---|---|---|---|---|---|---|
Carbon DioxideCarbonDioxide |
Gas | 44 | 28.2 | 217.8 K | – | 266.3 K | |
HeliumHelium |
Gas | 4 | 20.8 | – | – | – | |
HydrazineHydrazine |
Gas | 32 | 48.4 | 246.2 K | 333.5 K | 520.8 K | |
Hydrochloric AcidHydrochloricAcid |
Gas | 36 | 37 | 247.3 K | 335.5 K | 431.3 K | |
HydrogenHydrogen |
Gas | 2 | 20.4 | 15.18 K | 28.2 K | 70.06 K | Fuel |
MethaneMethane |
Gas | 16 | 20.4 | 81.53 K | 116.1 K | 195 K | Fuel |
NitrogenNitrogen |
Gas | 64 | 20.6 | 40.01 K | 75.2 K | 190 K | |
Nitrous OxideNitrousOxide |
Gas | 46 | 37.2 | 251.4 K | – | 430.6 K | Oxidiser |
OxygenOxygen |
Gas | 16 | 21.1 | 56.42 K | 86.54 K | 162.3 K | Oxidiser |
OzoneOzone |
Gas | 24 | 38.6 | 51.04 K | – | 304.7 K | Oxidiser |
PollutantPollutant |
Gas | 28 | 24.8 | 173.3 K | – | 433.9 K | |
SilanolSilanol |
Gas | 166 | 101 | 143.4 K | – | 822.7 K | |
SteamSteam |
Gas | 108 | 72 | 273.2 K | 384 K | 643.7 K | |
Liquid AlcoholLiquidAlcohol |
Liquid | 18 | 33 | 231.6 K | 322.5 K | 423.7 K | Fuel |
Liquid Carbon DioxideLiquidCarbonDioxide |
Liquid | 44 | 28.2 | 217.8 K | – | 266.3 K | |
Liquid HydrazineLiquidHydrazine |
Liquid | 32 | 48.4 | 246.2 K | 333.5 K | 520.8 K | |
Liquid Hydrochloric AcidLiquidHydrochloricAcid |
Liquid | 36 | 37 | 247.3 K | 335.5 K | 431.3 K | |
Liquid HydrogenLiquidHydrogen |
Liquid | 2 | 20.4 | 15.18 K | 28.2 K | 70.06 K | Fuel |
Liquid MethaneLiquidMethane |
Liquid | 16 | 20.4 | 81.53 K | 116.1 K | 195 K | Fuel |
Liquid NitrogenLiquidNitrogen |
Liquid | 64 | 20.6 | 40.01 K | 75.2 K | 190 K | |
Liquid Nitrous OxideLiquidNitrousOxide |
Liquid | 46 | 37.2 | 251.4 K | – | 430.6 K | Oxidiser |
Liquid OxygenLiquidOxygen |
Liquid | 16 | 21.1 | 56.42 K | 86.54 K | 162.3 K | Oxidiser |
Liquid OzoneLiquidOzone |
Liquid | 24 | 38.6 | 51.04 K | – | 304.7 K | Oxidiser |
Liquid PollutantLiquidPollutant |
Liquid | 28 | 24.8 | 173.3 K | – | 433.9 K | |
Liquid SilanolLiquidSilanol |
Liquid | 166 | 101 | 143.4 K | – | 822.7 K | |
Liquid Sodium ChlorideLiquidSodiumChloride |
Liquid | 101 | 130 | 605.9 K | 1,591 K | 2,799.3 K | |
Polluted WaterPollutedWater |
Liquid | 108 | 64 | 276.2 K | 387.3 K | 634.4 K | |
WaterWater |
Liquid | 108 | 72 | 273.2 K | 384 K | 643.7 K |
Combustion
Which fuel reacts with which oxidiser, the molar ratio and what is produced.
Pressure limits
- Breathable air at least
- 20 kPa
- Breathable air at most
- 608 kPa
- Gas pipe at most
- 60,795 kPa
- Liquid pipe at most
- 6,079.5 kPa
- Duct at most
- 1,215.9 kPa