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Properties of substance:

iron(II) disulfide




skc-file

Physical appearance:

cubic crystals

Empirical formula (Hill's system):

FeS2

Structural formula:

FeS2

Molar/atomic mass: 119.97

Melting point (°C):

1700

Solubility (g/100 g of solvent):

water: insoluble

Density:

5.03 (20°C, g/cm3)

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

    -163.2 (s)

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

    -151.8 (s)

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

    52.93 (s)

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

    62.17 (s)

    References:

    1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 64
    2. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советсткая энциклопедия, 1983. - pp. 200
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru