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Properties of substance:

yttrium oxide

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

O3Y2

Structural formula as text:

Y2O3

Molar/atomic mass: 225.81

Melting point (°C):

2415

Boiling point (°C):

4300

Solubility (g/100 g of solvent):

water: 0.0000008 (29°C) [Ref.]

Density:

4.84 (20°C, g/cm3)

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-1905.31 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-1816.608 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

99.081 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

102.509 (s) [Ref.]

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1573
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 66 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru