Main page (Russian) Search in database (English)

Properties of substance:

calcium carbonate

Synonyms:

aragonite

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

CCaO3

Structural formula as text:

CaCO3

Molar/atomic mass: 100.09

Decomposition temperature (°C):

825

Solubility (g/100 g of solvent):

water: 0.001532 (25°C) [Ref.]
water: 0.001637 (50°C) [Ref.]
water: 0.001985 (100°C) [Ref.]

Density:

2.93 (20°C, g/cm3)

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

-1207 (s)

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

-1127.7 (s)

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

88.7 (s)

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

81.25 (s)

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 71 [Russian]
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 94-95 [Russian]

    What information do you need?




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru