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Properties of substance:

silver oxide

Group of substances:

inorganic

Physical appearance:

cubic crystals

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

Ag2O

Structural formula as text:

Ag2O

Molar/atomic mass: 231.74

Decomposition temperature (°C):

200

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
ammonia liquid : insoluble [Ref.]
ethanol: insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
hydrogen fluoride : reaction [Ref.]
water: 0.0013 (20°C) [Ref.]
water: 0.0053 (80°C) [Ref.]

Density:

7.3 (20°C, g/cm3)

Reactions:

  1. [Ref.1]
    Ag2O + H2O2 → 2Ag + O2 + H2O
  2. [Ref.1aster]
    Ag2O + 2HF → 2AgF + H2O

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-31.049 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-11.184 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

121.298 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

65.86 (s) [Ref.]

References:

  1. Dictionary of Inorganic Compounds. - Vol. 1: Ac-C10, part 1. - Springer Science+Business Media Dordrecht, 1992. - pp. 13
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 70-72
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 246 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 98 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 197 [Russian]
  6. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 323 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru