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Properties of substance:

neodymium(III) oxide

Synonyms:

neodymium oxide

Group of substances:

inorganic

Physical appearance:

cubic crystals

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

Nd2O3

Structural formula as text:

Nd2O3

Molar/atomic mass: 336.478

Melting point (°C):

2320

Solubility (g/100 g of solvent):

potassium fluoride fused: 1.8 (1000°C) [Ref.]
sodium fluoride fused: 0.32 (1000°C) [Ref.]
sodium hexafluoroaluminate molten: 27.1 (1050°C) [Ref.]
water: 0.00019 (29°C) [Ref.]

Density:

7.24 (20°C, g/cm3)

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

-1808 (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)):

111.3 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-77
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1332
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 170-171 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru