NiAs

Formula : NiAs

Family: 
Arsenide

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
133.615 17.130 (Ref.: 04roi) Roine A., 2004. HSC Chemistry: v5.0, Outokompu Research Oy: Pori. -66407 (Ref.: Internal calculation) -70820 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. 50.760 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. 50.80 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science.
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.
36.60 41.70 1.57 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science.
Reaction properties

NiAs + 2H+ + 0.5H2O ⇌ Ni+2 + AsH3 + 0.25O2

298.15 K, 1 bar log10K: -42.63 ΔH°r:219371 J·mol-1 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science.
T(°C) 0 25 60 100 150 200 250 300
log10K -46.12 -42.63 -38.56 -34.78 -31.02 -28.02 -25.60 -23.62
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-138.596490 -0.021691 -5999.966662 50.134625 -132981.736412