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Properties of substance:

tungsten carbide

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

CW

Structural formula as text:

WC

Molar/atomic mass: 195.86

Melting point (°C):

2600

Decomposition temperature (°C):

2600

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Numerical data:

Vickers hardness (GPa): 25
Thermal conductivity (W/m·K): 29

Density:

15.7 (20°C, g/cm3)

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

-41 (s)

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

-39.5 (s)

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

35 (s)

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

35.1 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-96
  2. Зеликман А.Н., Никитина Л.С. Вольфрам. - М.: Металлургия, 1978. - pp. 235-239 [Russian]
  3. Киффер Р., Бенезовский Ф. Твердые сплавы. - М.: Металлургия, 1971. - pp. 18-20 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 60 [Russian]
  5. Успехи химии. - 2006. - Т.75, №7. - pp. 687-708 [Russian]
  6. Физические величины. - Под ред. Григорьева И.С., Мейлихова Е.З. - М.: Энергоатомиздат, 1991. - pp. 358 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru