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Properties of substance:

trichromium dicarbide

Group of substances:

inorganic

Physical appearance:

gray rhombic crystals

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

C2Cr3

Structural formula as text:

Cr3C2

Molar/atomic mass: 180.01

Melting point (°C):

1830

Decomposition temperature (°C):

1830

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Numerical data:

Thermal conductivity (W/m·K): 13

Density:

6.68 (20°C, g/cm3)

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

-79.5 (s)

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

-81.2 (s)

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

85.44 (s)

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

98.44 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-58
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 110 [Russian]
  3. Физические величины. - Под ред. Григорьева И.С., Мейлихова Е.З. - М.: Энергоатомиздат, 1991. - pp. 358 [Russian]
  4. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 309 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru