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Properties of substance:

ruthenium(IV) oxide

Group of substances:

inorganic

Physical appearance:

tetragonal crystals

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

O2Ru

Structural formula as text:

RuO2

Molar/atomic mass: 133.069

Decomposition temperature (°C):

930

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

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

-305 (s)

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

59 (s)

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

56 (s)

References:

  1. Автократова Т.Д. Аналитическая химия рутения. - М.: ИАН СССР, 1962. - pp. 11 [Russian]
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 184-185 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 404 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru