AsH3

Formula : AsH3

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
77.945 0.511 (Ref.: 01sch/sho) Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930 99580 (Ref.: 92wol) Wolery T.J., 1992. EQ3/6: A software Package for Geochemical Modelling of Aqueous Systems: Package Overview and Installation Guide. Technical Report UCRL-MA-110662 PT I ed., Lawrence Livermore National Laboratory (USA). 68169 (Ref.: Internal calculation) 126.357 (Ref.: 01sch/sho) Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930 178.66 (Ref.: 01sch/sho) Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930
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
0.0000 0.0000 0.0000 0.0000 140.1810 18.9339 -0.8406
Reaction properties

H2AsO4- + H+ ⇌ AsH3 + 2O2

298.15 K, 1 bar log10K: -155.19 ΔH°r:953551 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -170.33 -155.19 -137.45 -120.91 -104.22 -90.69 -79.38 -69.61
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1015.919174 0.168059 -109650.425792 -363.670279 4127351.610678