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Properties of substance:

mercury(I) fluoride

Group of substances:

inorganic

Physical appearance:

yellow tetragonal crystals

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

F2Hg2

Structural formula as text:

Hg2F2

Molar/atomic mass: 439.18

Melting point (°C):

570

Solubility (g/100 g of solvent):

hydrogen fluoride : 0.79 (-22.5°C) [Ref.]
hydrogen fluoride : 0.81 (-4.5°C) [Ref.]
hydrogen fluoride : 0.877 (11.8°C) [Ref.]

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

-489.5 (s)

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

175 (s)

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

94 (s)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 182-183 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 208 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 823 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru