Hydrocalumnite(Cr)

Formula : (CaCrO4)Al2O3(CaO)3:15H2O

Dernière mise à jour le 11.06.2018

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
696.464 -8483555 -9588782 1064.230
CP(T) = a + b·T + c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b
J·mol-1·K-2
 c
J·K·mol-1
Reaction properties

Hydrocalumnite(Cr) + 12H+ ⇌ 2Al+3 + 4Ca+2 + CrO4-2 + 21H2O

298.15 K, 1 bar log10K: 71.34 ΔH°r: -541448 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 80.21 71.34 61.69 53.52 46.11 40.63 36.19 32.06
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-4020.802715 -0.569654 237547.392981 1449.334609 -10759257.140267