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Properties of substance:

mercury(I) sulfate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

Hg2O4S

Structural formula as text:

Hg2SO4

Molar/atomic mass: 497.25

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
acetic acid: practically insoluble [Ref.]
sulfuric acid: 3.47 (20°C) [Ref.]
water: 0.04 (25°C) [Ref.]
water: 0.09 (100°C) [Ref.]

Density:

7.56 (20°C, g/cm3)

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

    -744.7 (s)

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

    200.7 (s)

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

    132 (s)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 652-653
    2. Гладышев В.П., Левицкая С.А., Филлипова Л.М. Аналитическая химия ртути. - М.: Наука, 1974. - pp. 28 [Russian]
    3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 182-183 [Russian]
    4. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 115 [Russian]
    5. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 208-209 [Russian]
    6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 184-185 [Russian]
    7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 512 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru