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Properties of substance:

calcium magnesium carbonate

Synonyms:

dolomite

Group of substances:

inorganic

Physical appearance:

colorless trigonal crystals

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

C2CaMgO6

Structural formula as text:

CaMg(CO3)2

Molar/atomic mass: 184.401

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

water: 0.032 (18°C) [Ref.]

Density:

2.86 (20°C, g/cm3)

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

-2175.7 (s)

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

158.6 (s)

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

157.53 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 271
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 138-139 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 71 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru