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Properties of substance:

hydrogen sulfide

Group of substances:

inorganic

Physical appearance:

colorless gas

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

H2S

Structural formula as text:

H2S

Molar/atomic mass: 34.08

Melting point (°C):

-85.6

Boiling point (°C):

-60.35

Solubility (g/100 g of solvent):

benzene: 2.6 (20°C) [Ref.]
bromobenzene: 0.85 (20°C) [Ref.]
bromoethane: 2 (20°C) [Ref.]
bromoform: 0.83 (20°C) [Ref.]
carbon disulphide: 0.63 (20°C) [Ref.]
carbon tetrachloride: 0.97 (20°C) [Ref.]
chloroform: 3.3 (20°C) [Ref.]
dimethylsulfoxide: reaction [Ref.]
dodecane: 1.1 (20°C) [Ref.]
ethanol: 3.44 (0°C) [Ref.]
ethanol: 2.3 (10°C) [Ref.]
ethanol: 1.43 (20°C) [Ref.]
hexadecane : 0.92 (20°C) [Ref.]
hexane: 1.4 (20°C) [Ref.]
hydrogen chloride liquid anhydrous: 44.3 (-117.2°C) [Ref.]
hydrogen chloride liquid anhydrous: 8.7 (-115.7°C) [Ref.]
hydrogen chloride liquid anhydrous: 589.7 (-92.3°C) [Ref.]
monochlorbenzene: 1.2 (20°C) [Ref.]
octane: 1.4 (20°C) [Ref.]
oxygen liquid: 0.0053 (-195.6°C) [Ref.]
pentachloroethane: 0.91 (20°C) [Ref.]
sulfur fused: 0.057 (126°C) [Ref.]
sulfur fused: 0.067 (141°C) [Ref.]
sulfur fused: 0.133 (167°C) [Ref.]
sulfur fused: 0.19 (300°C) [Ref.]
sulfur fused: 0.189 (371°C) [Ref.]
sulfur fused: 0.171 (400°C) [Ref.]
sulfur fused: 0.098 (440°C) [Ref.]
sulfur fused: 0.049 (444°C) [Ref.]
tetrachloroethene: 0.79 (20°C) [Ref.]
toluene: 2.7 (20°C) [Ref.]
trichloroethylene: 1.3 (20°C) [Ref.]
water: 0.699 (0°C) [Ref.]
water: 0.379 (20°C) [Ref.]
water: 0.233 (40°C) [Ref.]
water: 0.146 (60°C) [Ref.]
water: 0.041 (90°C) [Ref.]

Density:

1.217 (-195°C, g/cm3)
1.12 (-86°C, g/cm3)
0.938 (-81°C, g/cm3)
0.964 (-60°C, g/cm3)
0.001539 (0°C, g/cm3)

Vapour pressure (Torr):

0.000085 (-183°C)

    Dissociation:

    pKa (1) = 7.2 (25°C, water)
    pKa (2) = 14 (25°C, water)

    Permittivity (dielectric constant):

    8.99 (-78°C)

    Speed sound (m/s):

    1497 (-76°C, aggregative state - liquid)

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

    -21 (g)

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

    -33.8 (g)

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

    205.7 (g)

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

    34.2 (g)

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

    2.38

    Enthalpy (heat) of vaporization at boiling point ΔvapH (kJ/mol)

    18,67 (l) [Ref.]

    Enthalpy (heat) of vaporization ΔvapH (kJ/mol)

    14,08 (l) [25°C] [Ref.]

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

    -673,8 (g) [Ref.]

    Critical temperature (°C):

    100.4

    Critical pressure (MPa):

    9.01

    Critical density (g/cm3):

    0.349

    References:

    1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 111-113
    2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 594-598
    3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 51-53 [Russian]
    4. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 37-38 [Russian]
    5. Гутман В. Химия координационных соединений в неводных растворах. - М.: Мир, 1971. - pp. 67-69 [Russian]
    6. Девяткин В.В., Ляхова Ю.М. Химия для любознательных, или о чем не узнаешь на уроке. - Ярославль: Академия Холдинг, 2000. - pp. 51-52 [Russian]
    7. Девятых Г.Г., Зорин А.Д. Летучие неорганические гидриды особой чистоты. - М.: Наука, 1974 [Russian]
    8. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 190-191 [Russian]
    9. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 323-324 [Russian]
    10. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 97 [Russian]
    11. Реми Г. Курс неорганической химии. - Т.1. - М., 1963. - pp. 784-786 [Russian]
    12. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 334 [Russian]
    13. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 979-980 [Russian]
    14. Справочник сернокислотчика. - Под ред. Малина К.М. - М.: Химия, 1971. - pp. 51-53 [Russian]
    15. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 329-330 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru