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Properties of substance:

zinc arsenide

Group of substances:

inorganic

Physical appearance:

gray tetragonal crystals

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

As2Zn3

Structural formula as text:

Zn3As2

Molar/atomic mass: 346.013

Melting point (°C):

1015

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

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

-143.4 (s)

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

178.1 (s)

References:

  1. Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 81
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 216-217 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru