H4SiO4

Formula : H4SiO4

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
96.115 52.300 (Ref.: 01ste) A. Stefansson, 2001Dissolution of primary minerals of basalt in natural waters: I. Calculation of mineral solubilities from 0C to 350C. Chemical Geology, Volume 172, Issues 3-4, 225-250 -1309257 (Ref.: 01ste) A. Stefansson, 2001Dissolution of primary minerals of basalt in natural waters: I. Calculation of mineral solubilities from 0C to 350C. Chemical Geology, Volume 172, Issues 3-4, 225-250 -1458861 (Ref.: Internal calculation) 188.700 (Ref.: 01ste) A. Stefansson, 2001Dissolution of primary minerals of basalt in natural waters: I. Calculation of mineral solubilities from 0C to 350C. Chemical Geology, Volume 172, Issues 3-4, 225-250 66.04 (Ref.: 01ste) A. Stefansson, 2001Dissolution of primary minerals of basalt in natural waters: I. Calculation of mineral solubilities from 0C to 350C. Chemical Geology, Volume 172, Issues 3-4, 225-250
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
78.3660 -88.9520 77.9060 -5.0210 242.8000 -86.9850 0.3636
Reaction properties

H4SiO4 ⇌ H4SiO4

298.15 K, 1 bar log10K: 0.00 ΔH°r:0 J·mol-1 (Ref.: By convention)
T(°C) 0 25 60 100 150 200 250 300
log10K 0.00
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E