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Properties of substance:
manganese(II,IV) oxide
Group of substances:
inorganic
Physical appearance:
tetragonal crystals
Empirical formula (Hill's system for organic substances):
Mn
3
O
4
Structural formula as text:
Mn3O4
Molar/atomic mass: 228.81
Melting point (°C):
1560
CAS №: 1317-35-7
Solubility (g/100 g of solvent):
water
: insoluble [
Ref.
]
Density:
4.72 (20°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1387.6 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-1282.9 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
154.8 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
139.3 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
127.6
References:
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 305 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru