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Properties of substance:

chromium(II) chloride

Group of substances:

inorganic

Physical appearance:

white rhombic crystals

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

Cl2Cr

Structural formula as text:

CrCl2

Molar/atomic mass: 122.9

Melting point (°C):

815

Boiling point (°C):

1308

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: sparingly soluble [Ref.]
water: reaction [Ref.]

Not numerical data:

hygroscopic

Density:

2.75 (20°C, g/cm3)

Vapour pressure (Torr):

1 (842°C)
10 (966°C)
100 (1124°C)

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

-395.4 (s)

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

-356.3 (s)

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

115.65 (s)

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

71.17 (s)

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

36.8

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

198.3

Neel temperature (K):

20

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 111 [Russian]
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 244-245 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru