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Properties of substance:

rubidium peroxide

Group of substances:

inorganic

Physical appearance:

yellow rhombic crystals

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

O2Rb2

Structural formula as text:

Rb2O2

Molar/atomic mass: 202.934

Melting point (°C):

570

Boiling point (°C):

1010

Decomposition temperature (°C):

1010

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

-452 (s)

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

160 (s)

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

93 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

20

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 184-185 [Russian]
  2. Плющев В.Е., Степин Б.Д. Химия и технология соединений лития, рубидия и цезия. - М.: Химия, 1970. - pp. 86 [Russian]
  3. Редкие и рассеянные элементы. Химия и технология. - Кн. 1. - М.: Мисис, 1996. - pp. 71-72 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru