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Properties of substance:

manganese(II) carbonate

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

CMnO3

Structural formula as text:

MnCO3

Molar/atomic mass: 114.95

Decomposition temperature (°C):

300

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: 0.00011 (18°C) [Ref.]

Density:

3.125 (20°C, g/cm3)

Dissociation:

pKsp (0) = 11 (20°C, acetone)

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

-881.7 (s)

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

-811.4 (s)

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

109.5 (s)

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

94.8 (s)

Neel temperature (K):

32.5

References:

  1. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 303 [Russian]
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]
  3. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 312 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru