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Properties of substance:

cesium peroxide

Group of substances:

inorganic

Physical appearance:

needles crystals

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

Cs2O2

Structural formula as text:

CsOOCs

Molar/atomic mass: 297.81

Melting point (°C):

400

Decomposition temperature (°C):

650

Solubility (g/100 g of solvent):

water: reaction [Ref.]

Density:

4.25 (20°C, g/cm3)

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

-450 (s)

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

-327.2 (s)

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

180 (s)

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

95 (s)

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

22

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 112 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru