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Properties of substance:

germanium(IV) sulfide

Group of substances:

inorganic

Physical appearance:

white cubic crystals

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

GeS2

Structural formula as text:

GeS2

Molar/atomic mass: 136.71

Melting point (°C):

840

Solubility (g/100 g of solvent):

ammonia liquid : 3.112 (-32.9°C) [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
water: 0.45 (20°C) [Ref.]

Density:

2.94 (20°C, g/cm3)

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

-38.38 (s)

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

-39.9 (s)

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

78.28 (s)

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

50 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 552
  2. Давыдов В.И. Германий. - М.: Металлургия, 1964. - pp. 92-98 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 61 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 43, 881 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru