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Properties of substance:
thorium bromide
Group of substances:
inorganic
Physical appearance:
colorless rhombic crystals
Empirical formula (Hill's system for organic substances):
Br
4
Th
Structural formula as text:
ThBr4
Molar/atomic mass: 551.65
Melting point (°C):
679
Boiling point (°C):
857
Solubility (g/100 g of solvent):
water
: soluble [
Ref.
]
Reactions of synthesis:
[
Ref.1
]
ThO
2
+ 2C + 2Br
2
→ ThBr
4
+ 2CO
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-963 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
243 (s)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-766 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
438.1 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
104.6 (g)
References:
Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 51-54
Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 588 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 202-203 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru