Input interpretation
oxygen | carbon dioxide
Chemical names and formulas
| oxygen | carbon dioxide formula | O_2 | CO_2 Hill formula | O_2 | CO_2 name | oxygen | carbon dioxide IUPAC name | molecular oxygen | carbon dioxide alternate names | dioxygen | Freon 732 | molecular oxygen | oxygen gas | R-732 | anhydride carbonique | carbon dixoide, compressed | carbonic anhydride | Freon 744 | R-744 mass fractions | O (oxygen) 100% | C (carbon) 27.3% | O (oxygen) 72.7%
Structure diagrams
| oxygen | carbon dioxide vertex count | 2 | 3 edge count | 1 | 2 Schultz index | 4 | 16 Wiener index | 1 | 4 Hosoya index | 2 | 3 Balaban index | 1 | 1.633
3D structure
3D structure
Basic properties
| oxygen | carbon dioxide molar mass | 31.998 g/mol | 44.009 g/mol phase | gas (at STP) | gas (at STP) melting point | -218 °C | -56.56 °C boiling point | -183 °C | -78.5 °C density | 0.001429 g/cm^3 | 0.00184212 g/cm^3 dielectric constant | 1 | 1.001
Gas properties (at STP)
| oxygen | carbon dioxide density | 0.001429 g/cm^3 | 0.00184212 g/cm^3 vapor density | 1.11 | 1.52 molar volume | 22390 cm^3/mol | 23890 cm^3/mol surface tension | 0.01347 N/m | refractive index | 1.000271 | 1.112 dynamic viscosity | 2.055×10^-5 Pa s | 1.491×10^-5 Pa s
Units
Thermodynamic properties
| oxygen | carbon dioxide molar heat of vaporization | 6.8 kJ/mol (kilojoules per mole) | 16.9 kJ/mol (kilojoules per mole) specific heat of vaporization | 0.2125 kJ/g (kilojoules per gram) | 0.384 kJ/g (kilojoules per gram) molar heat of fusion | 0.44 kJ/mol (kilojoules per mole) | 9.02 kJ/mol (kilojoules per mole) specific heat of fusion | 0.014 kJ/g (kilojoules per gram) | 0.205 kJ/g (kilojoules per gram) critical temperature | 154.59 K (kelvins) | 304.12 K (kelvins) critical pressure | 5.043 MPa (megapascals) | 7.39 MPa (megapascals) compressibility factor | 0.288 (at critical conditions) | 0.274 (at critical conditions) acentric factor ω | 0.022 | 0.228 Antoine equation constants | 13.6835 | 780.26 | -4.1758 | 15.3768 | 1956.25 | -2.1117
Chemical identifiers
| oxygen | carbon dioxide CAS number | 7782-44-7 | 124-38-9 Beilstein number | | 1900390 PubChem CID number | 977 | 280 PubChem SID number | 24857799 | 24857758 SMILES identifier | O=O | C(=O)=O InChI identifier | InChI=1/O2/c1-2 | InChI=1/CO2/c2-1-3 RTECS number | RS2060000 | FF6400000 MDL number | MFCD00011434 | MFCD00011491
NFPA label
NFPA label
| oxygen NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 2 NFPA hazards | oxidizing agent