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Properties of substance:

vanadium(III) oxide

Group of substances:

inorganic

Physical appearance:

black trigonal crystals

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

O3V2

Structural formula as text:

V2O3

Molar/atomic mass: 149.88

Melting point (°C):

1970

Boiling point (°C):

3000

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

4.87 (20°C, g/cm3)

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

-1219.1 (s)

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

-1139.4 (s)

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

98.3 (s)

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

103.2 (s)

LD50 (mg/kg):

130 (white mice, oral)

Neel temperature (K):

150

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 57 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru