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Properties of substance:
radon
Group of substances:
inorganic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
Rn
Structural formula as text:
Rn
CAS No: 14859-67-7
Molar/atomic mass: 222
Melting point (°C):
-71
Boiling point (°C):
-61.9
Solubility (g/100 g of solvent):
acetone
: 7.51 (20°C) [
Ref.
]
benzene
: 14.2 (18°C) [
Ref.
]
ethanol
: 7.43 (20°C) [
Ref.
]
hexane
: 24.5 (18°C) [
Ref.
]
water
: 0.496 (0°C) [
Ref.
]
water
: 0.126 (50°C) [
Ref.
]
Numerical data:
Year of discovery: 1900
Density:
4.4 (-62°C, g/cm
3
)
0.00973 (20°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
0 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
0 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
167.7 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
20.79 (g)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
2.89
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
16.8
Critical temperature (°C):
104.35
Critical pressure (MPa):
6.326
References:
Advances in Inorganic Chemistry. - Vol. 46. - Academic Press, 1999. - pp. 91-93
Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
Inorganic Chemistry. - 1984. - Vol. 23, No. 22. - pp. 3670-3671
Бекман И.Н. Радиохимия. Том II: Радиоактивные элементы. - М.: Издатель Мархитин П.Ю., 2014. - pp. 84-90 [Russian]
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 49, 51 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 42 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 91 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 91 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 587-590 [Russian]
Аврорин В.В., Красикова Р.Н., Нефедов В.Д., Торопова М.А. Современное состояние химии радона / Успехи химии. - 1982. - Т.51, №1. - pp. 23-39 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru