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Properties of substance:

tungsten(IV) sulfide

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

S2W

Structural formula as text:

WS2

Molar/atomic mass: 247.97

Decomposition temperature (°C):

1250

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

7.5 (10°C, g/cm3)

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

-200.4 (s)

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

71 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-97
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 110-111 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru