uranium(IV) oxide

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Properties of substance:

uranium(IV) oxide

Group of substances:

inorganic

Physical appearance:

cubic crystals

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

O₂U

Structural formula as text:

UO2

Molar/atomic mass: 270.03

Melting point (°C):

2700

Decomposition temperature (°C):

2700

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

10.95 (20°C, g/cm³)

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

-1084 (s)

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

-1030 (s)

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

77.94 (s)

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

64.14 (s)

References:

Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 106 [Russian]

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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru

Properties of substance:

uranium(IV) oxide

Group of substances:

Physical appearance:

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

Structural formula as text:

Molar/atomic mass: 270.03

Melting point (°C):

Decomposition temperature (°C):

Solubility (g/100 g of solvent):

Density:

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

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

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

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

References:

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

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

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