ZnSiO3glass

Formula : ZnSiO3

Family: 
Glass phase

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
141.474 -1209301 (Ref.: 92plo/wic) Plodinec M. J. and Wicks G. G. (1992) Applications of hydration thermodynamics to in-situ tests results. In: Proc. Workshop on In Situ Testiong of Radioactive Waste Forms and Engineered Barriers, Corsendonk, Belgium, oct. 13-16, 1992. -1237105 (Ref.: Internal calculation) 275.000 (Ref.: 95rob/hem) Robie R.A., and Hemingway B.S., 1995. Thermodynamic properties of minerals and related substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S. Geol. Survey Bull., 2131, 461 pp.
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

ZnSiO3glass + 2H+ + H2O ⇌ H4SiO4 + Zn+2

298.15 K, 1 bar log10K: 1.76 ΔH°r:-89311 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 3.17 1.76 0.12 -1.33 -2.69 -3.71 -4.53 -5.24
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-762.649824 -0.096667 48514.609257 266.939327 -2668002.985009