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Properties of substance:
dysprosium
Group of substances:
inorganic
Physical appearance:
gray hexagonal metal
Empirical formula (Hill's system for organic substances):
Dy
Structural formula as text:
Dy
Molar/atomic mass: 162.5
Melting point (°C):
1409
Boiling point (°C):
2600
Solubility (g/100 g of solvent):
water
: reaction [
Ref.
]
Numerical data:
Year of discovery: 1886
Density:
8.56 (20°C, g/cm
3
)
Electrode potential:
Dy
3+
+ 3e
-
→ Dy, E = -2.353 V (water, 25°C)
Dy
4+
+ e
-
→ Dy
3+
, E = 5.4 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)):
74.9 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
28 (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. 62 [Russian]
Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 82-83 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru