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Properties of substance:

rhenium(VI) oxide

Group of substances:

inorganic

Physical appearance:

red cubic crystals

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

O3Re

Structural formula as text:

ReO3

Molar/atomic mass: 234.21

Melting point (°C):

160

Decomposition temperature (°C):

300

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

7 (20°C, g/cm3)

Reactions of synthesis:

  1. Yeild 100%. [Ref.1aster]
    Re2O7 + CO → 2ReO3 + CO2

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

-592.9 (s)

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

-514.4 (s)

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

82.8 (s)

References:

  1. Борисова Л.В., Ермаков Е.Н. Аналитическая химия рения. - М.: Наука, 1974. - pp. 20-21 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 306 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 91 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru