Carbon monoxide

CAS RN: 630-08-0

Other Properties

Decomposes into carbon and carbon dioxide at 400-700 deg C, at lower temperatures when in contact with catalytic surfaces
Burns in air with bright blue flame; top pressure: 1500 psi; heat capacity at 20 deg C: 6.95 Cal/mole/deg C; heat value/cu m: 3033 kcal; heat of formation: -26.39 Kcal/mol; above 800 deg C equilibrium reaction favors carbon monoxide formation; hopcalite (a mixture of the oxides of manganese and copper) catalyzes decomposition at room temp, as does palladium on silica gel
Specific vol: 13.8 cu ft/lb at 70 deg F
Triple point temp = 68.15 K at 15.35 kPa
Phase transition point = 61.55 K at 3.75 kPa
Density at critical point = 301.0 kg/cu m
Density of liquid = 788.6 kg/cu m at 81.63 K
Density of solid, hexagonal = 929 kg/cu m at 65 K
Heat capacity of gas at 298 K and 101.33 kPa; Cp = 29.142 J/mol-K, Cv = 20.769 J/mol-K
Heat capacity of the liquid = 60.351 J/mol-K at 76 K
Heat of vaporization = 6.042 kJ/mol at 81.63 K
Heat of fusion at triple point = 837.3 J/mol
Heat of sublimation at triple point = 7.366 kJ/mol
Heat of transition = 632.11 J/mol
Free energy of formation of gas at 298 K = -137.381 kJ/mol
Enthalpy of formation of gas = -110.63 kJ/mol
Entropy of gas = 197.89 J/mol-K at 298 K and 101.33 kPa
Thermal conductivity of gas (STP) = 23.15 mW/m-K
Thermal conductivity of liquid = 0.1428 W/m-K at 80 K
Dielectric constant of gas = 1.000634 at 298 K and 101.33 kPa
Electric conductivity of liquid = 9.43X10-19 S/m at 85 K
Henry's Law constant = 1.04 atm-cu m/mol at 25 deg C (reported as 57978.5 atm/mol fraction)
Hydroxyl radical reaction rate constant = 2.4X10-13 cu cm/molec-sec at 25 deg C (est)
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