Beta version#
BETA TEST VERSION OF THIS ITEM
This online calculator is currently under heavy development. It may or it may NOT work correctly.
You CAN try to use it. You CAN even get the proper results.
However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.
Feel free to send any ideas and comments !
This online calculator is currently under heavy development. It may or it may NOT work correctly.
You CAN try to use it. You CAN even get the proper results.
However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.
Feel free to send any ideas and comments !
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alcohols#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| ethanol | C2H5OH | 150 | 4.3×10-7 |
liquids#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| ethanol | C2H5OH | 150 | 4.3×10-7 |
| mercury | Hg | 234.3156 | 1.65×10-7 |
| water 25°C | H2O | 273.16 | 0.61173 |
| formic acid | HCOOH | 281.41 | 2.2 |
| chloroform | CHCl3 | 175.43 | 0.87 |
other inorganic#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| ammonia | NH3 | 195.4 | 6.076 |
gases#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| ammonia | NH3 | 195.4 | 6.076 |
| argon | Ar | 83.8058 | 68.9 |
| helium | He | 2.19 | 5.07 |
| hydrogen | H2 | 13.8033 | 7.04 |
| methane | CH4 | 90.68 | 11.7 |
| nitrogen | N2 | 63.18 | 12.6 |
| carbon dioxide | CO2 | 216.55 | 517 |
| hydrogen chloride | HCl | 158.96 | 13.9 |
| ethane | C2H6 | 89.89 | 0.0008 |
| n-buthane | C4H10 | 134.6 | 0.0007 |
| ethene (ethylene) | C2H4 | 104 | 0.12 |
| ethyne | C2H2 | 192.4 | 120 |
| nitrogen (II) oxide | NO | 109.5 | 21.92 |
| nitrogen (I) oxide | N2O | 182.34 | 87.85 |
| sulfur (IV) oxide | SO2 | 197.64 | 1.67 |
| oxygen | O2 | 54.3584 | 0.152 |
hydrocarbons#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| methane | CH4 | 90.68 | 11.7 |
| ethane | C2H6 | 89.89 | 0.0008 |
| n-buthane | C4H10 | 134.6 | 0.0007 |
| ethene (ethylene) | C2H4 | 104 | 0.12 |
| ethyne | C2H2 | 192.4 | 120 |
oxides#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| carbon dioxide | CO2 | 216.55 | 517 |
| carbon monoxide | CO | 68.1 | 15.37 |
| nitrogen (II) oxide | NO | 109.5 | 21.92 |
| nitrogen (I) oxide | N2O | 182.34 | 87.85 |
| sulfur (IV) oxide | SO2 | 197.64 | 1.67 |
inorganic acids#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| hydrogen chloride | HCl | 158.96 | 13.9 |
carboxylic acids#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| formic acid | HCOOH | 281.41 | 2.2 |
other organic#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| chloroform | CHCl3 | 175.43 | 0.87 |
halogens#
| Substance | Molecular formula | Temperature [K] | Pressure [kPa] |
| jodine | I2 | 386.65 | 12.07 |
Some facts#
- The triple point is the conditions (i.e. pressure and temperature) in which all three phases (gas, liquid and solid) exist in equilibrium.
- The triple point is specific to the given substance.
- Some substances do not have a triple point because they do not appear in all three states.
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