Carbon_monoxide_(data_page)

Carbon monoxide (data page)

Chemical data page

This page provides supplementary chemical data on carbon monoxide.

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Phase behavior
Triple point	67.9 K (−205.1 °C), 15.35 kPa
Critical point	132.7 K (−140.3 °C), 3498 kPa, 11.1 mol/L (3.1×10² kg/m³)
Std enthalpy change of fusion, Δ_fusH^o	? kJ/mol
Std entropy change of fusion, Δ_fusS^o	? J/(mol K)
Std enthalpy change of vaporization, Δ_vapH^o	? kJ/mol
Std entropy change of vaporization, Δ_vapS^o	? J/(mol K)
Std enthalpy change of sublimation, Δ_subH^o	8 kJ/mol (at 51–68 K)
Std entropy change of sublimation, Δ_subS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	−110.5 kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	? kJ/mol
Standard molar entropy, S^o_liquid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	−110.53 kJ/mol
Std enthalpy change of combustion, Δ_cH^o_gas	−283.0 kJ/mol
Standard molar entropy, S^o_gas	197.66 J/(mol K)
Heat capacity, c_p	29 J/(mol K)

Carbon monoxide (data page)