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Properties of substance:

caesium selenate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

Cs2O4Se

Structural formula as text:

Cs2SeO4

Molar/atomic mass: 408.768

Melting point (°C):

985

Solubility (g/100 g of solvent):

water: 245 (12°C) [Ref.]

Hygroscopic:

yes

Density:

4.45 (20°C, g/cm3)

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

-1136 (s)

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

-1016 (s)

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

218 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 463
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 214-215 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru