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Properties of substance:

sulfur monoclinic

Group of substances:

inorganic

Physical appearance:

yellow monoclinic crystals

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

S8

Structural formula as text:

S8

Molar/atomic mass: 256.48

Melting point (°C):

119.3

Boiling point (°C):

444.6

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
carbon disulphide: soluble [Ref.]
ethanol: soluble [Ref.]

Density:

1.96 (20°C, g/cm3)

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

0.38 (s)

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

0.19 (s)

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

32.6 (s)

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

23.6 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

1.72

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

9.2

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-92
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 96 [Russian]
  3. Энциклопедия для детей. - Т.17: Химия. - М.: Аванта+, 2004. - pp. 236 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru