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Thermochemical Properties: acetylene
Standard thermodynamic properties of chemical compounds — standard enthalpies and Gibbs energies of formation, standard entropies and heat capacities (per phase: solid/liquid/gas), plus critical properties, vapor pressures, and enthalpy of combustion from NIST WebBook and CRC Handbook 97th Edition
| compound id | Cp gas J molK (J/molK) | Hc standard kJ mol (kJ/mol) | Hf standard kJ mol (kJ/mol) | acentric factor (dimensionless) | boiling point C (C) | cas number | critical pressure MPa (MPa) | critical temp K (K) | density kg m3 (kg/m3) | formula | melting point C (C) | molar mass g mol (g/mol) | name | state at 25C |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| acetylene | 44.04 | -1,299.6 | 228.2 | 0.189 | -84 | 74-86-2 | 6.138 | 308.3 | 1.097 | C2H2 | -80.8 | 26.038 | Acetylene | gas |
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