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Properties of substance:

niobium carbide

Group of substances:

inorganic

Physical appearance:

gray cubic crystals

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

CNb

Structural formula as text:

NbC

Molar/atomic mass: 104.92

Melting point (°C):

3480

Boiling point (°C):

4300

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Numerical data:

Thermal conductivity (W/m·K): 44
Thermal conductivity (W/m·K): 44
Thermal conductivity (W/m·K): 14

Density:

8 (20°C, g/cm3)

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

-134.7 (s)

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

-132.7 (s)

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

35.4 (s)

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

36.9 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-78
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 88 [Russian]
  3. Физические величины. - Под ред. Григорьева И.С., Мейлихова Е.З. - М.: Энергоатомиздат, 1991. - pp. 303, 358 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru