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Properties of substance:

calcium metasilicate

Group of substances:

inorganic

Physical appearance:

colorless triclinic crystals

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

CaO3Si

Structural formula as text:

CaSiO3

Molar/atomic mass: 116.16

Melting point (°C):

1540

Solubility (g/100 g of solvent):

ethyl acetate: insoluble [Ref.]
water: 0.0095 (17°C) [Ref.]

Density:

2.905 (20°C, g/cm3)

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

-1635 (s)

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

81 (s)

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

85 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-55
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 346-347
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 138-139 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 92-93 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru