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Properties of substance:

chromium(III) bromide

Group of substances:

inorganic

Physical appearance:

deep-green trigonal crystals

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

Br3Cr

Structural formula as text:

CrBr3

Molar/atomic mass: 291.71

Sublimation point (°C):

927

Solubility (g/100 g of solvent):

ethanol: very soluble [Ref.]
water: soluble [Ref.]

Density:

4.25 (20°C, g/cm3)

Vapour pressure (Torr):

1 (693°C)
10 (772°C)

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

-400.4 (s)

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

-372.9 (s)

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

159.7 (s)

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

96.44 (s)

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 110 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru