Arsenopyrite

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
162.835 26.270 -136450 -144370 68.500 68.45
Reaction properties

Arsenopyrite + H+ + 1.5H2O ⇌ AsH3 + Fe+2 + HS-

298.15 K, 1 bar log10K: -92.13 ΔH°r: -1296440 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -100.55 -92.13 -82.43 -73.56 -64.84 -58.01 -52.59 -48.31