Main page (Russian)
Search in database (English)
Properties of substance:
ruthenium
Group of substances:
inorganic
Physical appearance:
hexagonal metal
Empirical formula (Hill's system for organic substances):
Ru
Structural formula as text:
Ru
Molar/atomic mass: 101.07
Melting point (°C):
2250
Boiling point (°C):
4200
Solubility (g/100 g of solvent):
diethyl ether
: insoluble [
Ref.
]
ethanol
: insoluble [
Ref.
]
mercury
: insoluble [
Ref.
]
water
: insoluble [
Ref.
]
Numerical data:
Year of discovery: 1843
Superconducting temperature (K): 0.493
Density:
12.4 (20°C, g/cm
3
)
Vapour pressure (Torr):
0.1 (2655°C)
1 (2940°C)
10 (3290°C)
100 (3730°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)):
28.5 (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):
24
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
602
References:
Автократова Т.Д. Аналитическая химия рутения. - М.: ИАН СССР, 1962. - pp. 9-10 [Russian]
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
Звягинцев О.Е., Колбин Н.И., Рябов А.Н., Автократова Т.Д., Горюнов А.А. Химия рутения. - М.: Наука, 1965 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 94 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru