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Properties of substance:

glucinum hydroxide

Synonyms:

beryllium hydroxide

Group of substances:

inorganic

Physical appearance:

white tetragonal crystals

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

H2BeO2

Structural formula as text:

Be(OH)2

Molar/atomic mass: 43.03

Decomposition temperature (°C):

138

Solubility (g/100 g of solvent):

water: 0.0063 (25°C) [Ref.]
water: 0.0114 (50°C) [Ref.]

Density:

1.92 (20°C, g/cm3)

Dissociation:

pKsp (0) = 21.2 (20°C, water)

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

-907 (s)

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

-818 (s)

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

55.6 (s)

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

64.22 (s)

References:

  1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 364-365
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 424
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 193
  4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 104-105 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 118 [Russian]
  6. Неорганическая химия. - Под ред. Третьякова Ю.Д., Т.2. - М.: Academa, 2004. - pp. 59 [Russian]
  7. Новоселова А.В., Бацанова Л.Р. Аналитическая химия бериллия. - М.: Наука, 1966. - pp. 9-12 [Russian]
  8. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 55 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru