Ferrite(Mn)

Formula : MnFe2O4

Family: 
Oxides

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
230.630 51.251 (Ref.: 63wyc) Wyckoff, R.W.G., 1963, Crystal Structures, Second edition, tome 4, Interscience Publishers, New York, p. 320-322. -1126580 (Ref.: Internal calculation) -1228841 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991) 153.971 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
Reaction properties

Ferrite(Mn) + 8H+ ⇌ 2Fe+3 + Mn+2 + 4H2O

298.15 K, 1 bar log10K: 14.91 ΔH°r:-233808 J·mol-1 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
T(°C) 0 25 60 100 150 200 250 300
log10K 18.68 14.91 10.66 6.88 3.22 0.30 -2.20 -4.54
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1396.926235 -0.210484 83432.651298 499.910075 -3754697.878864