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Properties of substance:

zirconium(IV) orthosilicate

Group of substances:

inorganic

Physical appearance:

tetragonal crystals

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

O4SiZr

Structural formula as text:

ZrSiO4

Molar/atomic mass: 183.307

Decomposition temperature (°C):

1680

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Numerical data:

Hardness on the Mohs’ scale: 7.5

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

-2033.2 (s)

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

84.1 (s)

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

98.3 (s)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 218-219 [Russian]
  2. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 385 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru