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Properties of substance:
arsenic(V) fluoride
Group of substances:
inorganic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
AsF
5
Structural formula as text:
AsF5
Molar/atomic mass: 169.914
Melting point (°C):
-79.8
Boiling point (°C):
-52.8
Solubility (g/100 g of solvent):
bromine trifluoride
: soluble [
Ref.
]
Density:
2.33 (-53°C, g/cm
3
)
Reactions:
Yeild 80%. [
Ref.1
]
4OF
2
+ 2AsF
5
→ 2O
2
AsF
6
+ 3F
2
[
Ref.1
]
N
2
F
2
+ AsF
5
→ N
2
F[AsF
6
]
[
Ref.1
]
2AgF
3
+ 2AsF
5
→ 2AgFAsF
6
+ F
2
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1236.7 (g)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
11.5
Enthalpy (heat) of vaporization at boiling point Δ
vap
H (kJ/mol)
20.8 (l) [
Ref.
]
References:
Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.17
Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 524 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 162-163 [Russian]
Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 91-92 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru