Si3O6(OH)3-3

Formula : Si3O6(OH)3-3

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
231.275 -3048534 (Ref.: 07las) brgm report in progress -3438780 (Ref.: Internal calculation) 62.760 (Ref.: 17bbla) Blanc P. (2017) - Thermoddem : Update for the 2017 version. Report BRGM/RP-66811-FR, 20 p.
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

3H4SiO4 ⇌ Si3O6(OH)3-3 + 3H2O + 3H+

298.15 K, 1 bar log10K: -29.40 ΔH°r:80312 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -30.69 -29.40 -28.03 -27.10 -26.64 -26.70 -27.09 -27.67
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1299.902369 0.128712 -85279.880410 -459.549234 4931812.224627