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Properties of substance:

erbium oxide

Group of substances:

inorganic

Physical appearance:

cubic crystals

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

Er2O3

Structural formula as text:

Er2O3

Molar/atomic mass: 382.52

Melting point (°C):

2380

Solubility (g/100 g of solvent):

water: 0.00049 (29°C) [Ref.]

Density:

8.64 (20°C, g/cm3)

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

-1897.9 (s)

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

-1808.7 (s)

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

155.6 (s)

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

108.5 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-11
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 260-261 [Russian]
  3. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 487 [Russian]
  4. Энциклопедия для детей. - Т.17: Химия. - М.: Аванта+, 2004. - pp. 299 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru