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Properties of substance:

uranium(III) bromide

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

Br3U

Structural formula as text:

UBr3

Molar/atomic mass: 477.74

Melting point (°C):

730

Solubility (g/100 g of solvent):

benzene: insoluble [Ref.]
ethanol: soluble [Ref.]
water: reaction [Ref.]

Not numerical data:

hygroscopic

Density:

5.98 (20°C, g/cm3)

Vapour pressure (Torr):

1 (977°C)
10 (1127°C)
100 (1332°C)

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

-711.7 (s)

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

-689.1 (s)

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

205 (s)

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

105 (s)

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

46

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

-342 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-97
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 106 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru