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Properties of substance:

magnesium sulfide

Group of substances:

inorganic

Physical appearance:

reddish brown cubic crystals

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

MgS

Structural formula as text:

MgS

Molar/atomic mass: 56.37

Decomposition temperature (°C):

2000

Density:

2.84 (20°C, g/cm3)

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

-347 (s)

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

50.3 (s)

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

45.6 (s)

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

63

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 152-153 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru