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Properties of substance:

carbon dioxide

Group of substances:

inorganic

Physical appearance:

colorless gas

Empirical formula (Hill's system for organic substances):

CO2

Structural formula as text:

CO2

Molar/atomic mass: 44.01

Sublimation point (°C):

-78.5

Decomposition temperature (°C):

1200-2800

Solubility (g/100 g of solvent):

acetic acid: 0.98 (20°C) [Ref.]
acetone: 1.57 (20°C) [Ref.]
amyl acetate: 1.04 (20°C) [Ref.]
aniline: 0.27 (20°C) [Ref.]
benzaldehyde: 0.56 (20°C) [Ref.]
benzene: 0.52 (20°C) [Ref.]
bromoethane: 0.306 (20°C) [Ref.]
carbon tetrachloride: 0.33 (25°C) [Ref.]
chloroform: 0.49 (20°C) [Ref.]
chloroform: 0.35 (36°C) [Ref.]
cyclohexanol: 0.137 (26°C) [Ref.]
diethyl ether: 1.51 (15°C) [Ref.]
dimethylformamide: 1 (20°C) [Ref.]
dimethylsulfoxide: 0.6 (20.3°C) [Ref.]
ethanol 99%: 0.74 (20°C) [Ref.]
ethanol 99%: 0.57 (40°C) [Ref.]
i-amyl alcohol: 0.46 (20°C) [Ref.]
methanol: 0.89 (20°C) [Ref.]
oxygen liquid: 0.0006 (-183°C) [Ref.]
perfluoro-n-heptane: 0.2588 (19°C) [Ref.]
perfluoro-n-heptane: 0.2514 (22.01°C) [Ref.]
perfluoro-n-heptane: 0.2419 (25°C) [Ref.]
perfluoro-n-heptane: 0.2266 (30°C) [Ref.]
perfluorotributylamine: 0.1755 (4.01°C) [Ref.]
perfluorotributylamine: 0.1587 (9.52°C) [Ref.]
perfluorotributylamine: 0.1461 (17.98°C) [Ref.]
perfluorotributylamine: 0.1338 (24.87°C) [Ref.]
perfluorotributylamine: 0.1236 (31.15°C) [Ref.]
pyridine: 0.77 (20°C) [Ref.]
water: 0.201 (15°C) [Ref.]
water: 0.3803 (16°C) [Ref.]
water: 0.3369 (20°C) [Ref.]
water: 0.2515 (30°C) [Ref.]

Multicomponent solubility (in wt%):

water 99.694%, calcite 0.098%, carbon dioxide 0.208%, 25 °C, separating phase: CaCO3 (давление CO2 = 1,06 атм, в растворе Ca(HCO3)2) [Ref.]

Interatomic distances and bond angles:

Interatomic distances (in pm): 105 (C-O) [crystals]
Interatomic distances (in pm): 113 (C-O) [gas]

Density:

1.58 (-183°C, g/cm3)
1.56 (-79°C, g/cm3)
1.19 (-60°C, g/cm3)
1.101 (-37°C, g/cm3)
0.001977 (0°C, g/cm3)

Reactions:

  1. Yeild 83%. [Ref.1]
    2Na2CrO4 + 2CO2 + H2O → Na2Cr2O7 + 2NaHCO3
  2. [Ref.1]
    Na2O + CO2 → Na2CO3
  3. [Ref.1]
    CO2 + H2O → H2CO3

Vapour pressure (Torr):

0.000001 (-186.4°C)
0.00001 (-180.7°C)
0.0001 (-174.3°C)
0.001 (-166.8°C)
0.01 (-158°C)
2.31 (-130°C)
9.81 (-120°C)
34.63 (-110°C)
104.81 (-100°C)
279.5 (-90°C)
672.2 (-80°C)
1486.1 (-70°C)
3073.1 (-60°C)
5127.8 (-50°C)
7545 (-40°C)
10718 (-30°C)
14781 (-20°C)
19872 (-10°C)
26142 (0°C)
33763 (10°C)
42959 (20°C)
54086 (30°C)

Speed sound (m/s):

274.6 (20°C, aggregative state - gas)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-393.51 (g)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-394.38 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

213.68 (g)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

37.11 (g)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

8.37

ΔHsublimation (kJ/mol):

25.23

Gas phase basicity ΔbaseG (298 K, kJ/mol)

-515.8 (g) [Ref.]

Critical temperature (°C):

31

Critical pressure (MPa):

7.387

Critical density (g/cm3):

0.468

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 221-237
  2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 18
  3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 253-256 [Russian]
  4. Девяткин В.В., Ляхова Ю.М. Химия для любознательных, или о чем не узнаешь на уроке. - Ярославль: Академия Холдинг, 2000. - pp. 39, 40, 46-47, 62-63 [Russian]
  5. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 204-205 [Russian]
  6. Зотов А.Т. Мочевина. - М.: ГНТИХЛ, 1963. - pp. 62-64 [Russian]
  7. Иванова М.А., Кононова М.А. Химический демонстрационный эксперимент. - М.: Высшая школа, 1969. - pp. 50-51 [Russian]
  8. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 507-508 [Russian]
  9. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 106 [Russian]
  10. Реми Г. Курс неорганической химии. - Т.1. - М., 1963. - pp. 481-483 [Russian]
  11. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 365-368 [Russian]
  12. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1021, 1058-1076 [Russian]
  13. Успехи химии. - 1981. - Т.50, №1. - pp. 111-136 [Russian]
  14. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 26-27 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru