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Properties of substance:

copper(I) bromide

Synonyms:

cuprous bromide

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

BrCu

Structural formula as text:

CuBr

Molar/atomic mass: 143.45

Melting point (°C):

489

Boiling point (°C):

1355

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
acetonitrile: 3.86 (18°C) [Ref.]
water: 0.00105 (25°C) [Ref.]

Density:

4.72 (25°C, g/cm3)

Vapour pressure (Torr):

1 (570°C)
10 (714°C)
100 (946°C)

Dissociation:

pKsp (0) = 8.28 (20°C, water)

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

-103.5 (s)

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

-99.58 (s)

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

96.11 (s)

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

54.73 (s)

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

7.2

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

68.2

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 467
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 156-157 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 80 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru