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Properties of substance:
yttrium
Group of substances:
inorganic
Physical appearance:
gray hexagonal metal
Empirical formula (Hill's system for organic substances):
Y
Structural formula as text:
Y
Molar/atomic mass: 88.91
Melting point (°C):
1528
Boiling point (°C):
3300
Solubility (g/100 g of solvent):
gallium
: 1.1 (500°C) [
Ref.
]
Numerical data:
Year of discovery: 1794
Density:
4.48 (20°C, g/cm
3
)
Vapour pressure (Torr):
0.01 (1652°C)
0.1 (1847°C)
1 (2080°C)
10 (2470°C)
100 (2830°C)
Electrode potential:
Y
3+
+ 3e
-
→ Y, E = -2.372 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)):
46 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
25.1 (s)
References:
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 50 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 66 [Russian]
Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 277-278 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru