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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):
Hg
2
O
4
S
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/cm
3
)
Reactions of synthesis:
[
Ref.1
]
2Hg + 2H
2
SO
4
→ Hg
2
SO
4
+ SO
2
+ 2H
2
O
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-744.7 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
200.7 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
132 (s)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 652-653
Гладышев В.П., Левицкая С.А., Филлипова Л.М. Аналитическая химия ртути. - М.: Наука, 1974. - pp. 28 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 182-183 [Russian]
Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 115 [Russian]
Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 208-209 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 184-185 [Russian]
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