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Properties of substance:
molybdenum
Group of substances:
inorganic
Physical appearance:
cubic metal
Empirical formula (Hill's system for organic substances):
Mo
Structural formula as text:
Mo
Molar/atomic mass: 95.94
Melting point (°C):
2620
Boiling point (°C):
4630
Solubility (g/100 g of solvent):
lithium molten
: 0.0007 (700°C) [
Ref.
]
mercury
: 0.00002 (20°C) [
Ref.
]
water
: insoluble [
Ref.
]
Numerical data:
Year of discovery: 1781
Superconducting temperature (K): 0.92
Density:
10.22 (20°C, g/cm
3
)
Vapour pressure (Torr):
0.01 (2525°C)
0.1 (2775°C)
1 (3107°C)
10 (3540°C)
100 (4115°C)
Electrode potential:
Mo
3+
+ 3e
-
→ Mo, E = -0.2 V (water, 25°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
0 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
0 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
28.6 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
24.1 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
36.4
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
582.4
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1014
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
Зеликман А.Н. Молибден. - М.: Металлургия, 1970. - pp. 387-395 [Russian]
Моргунова Н.Н., Клыпин Б.А., Бояршинов В.А., Тараканов Л.А., Манегин Ю.В. Сплавы молибдена. - М.: Металлургия, 1975 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 81 [Russian]
Редкие и рассеянные элементы. Химия и технология. - Кн. 2. - М.: Мисис, 1998. - pp. 368-373 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 617 [Russian]
Химия и технология редких и рассеянных элементов. - Ч.3. - М.: Высшая школа, 1976. - pp. 159-162 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru