RhO

Formula : RhO

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
118.905 -20.698 (Ref.: 98sas/sho) Sassani, D.C., and Shock, E.L., Solubility and Transport of Platinum-Group Elements in Supercritical fluids: Estimates of standard partial molal properties, oxidation potentials, and hydrolysis constants at high temperatures and pressures: Geohim. Cosmo. Acta, v. 61, no. 20, pp. 4245-4266. -30208 (Ref.: 98sas/sho) Sassani, D.C., and Shock, E.L., Solubility and Transport of Platinum-Group Elements in Supercritical fluids: Estimates of standard partial molal properties, oxidation potentials, and hydrolysis constants at high temperatures and pressures: Geohim. Cosmo. Acta, v. 61, no. 20, pp. 4245-4266. -94402 (Ref.: Internal calculation) -81.170 (Ref.: 98sas/sho) Sassani, D.C., and Shock, E.L., Solubility and Transport of Platinum-Group Elements in Supercritical fluids: Estimates of standard partial molal properties, oxidation potentials, and hydrolysis constants at high temperatures and pressures: Geohim. Cosmo. Acta, v. 61, no. 20, pp. 4245-4266. 26.46 (Ref.: 98sas/sho) Sassani, D.C., and Shock, E.L., Solubility and Transport of Platinum-Group Elements in Supercritical fluids: Estimates of standard partial molal properties, oxidation potentials, and hydrolysis constants at high temperatures and pressures: Geohim. Cosmo. Acta, v. 61, no. 20, pp. 4245-4266.
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
-4.5087 -43.5446 41.1187 -9.8270 40.8283 -7.0714 -0.1255
Reaction properties

Rh+2 + H2O ⇌ RhO + 2H+

298.15 K, 1 bar log10K: -15.95 ΔH°r:81032 J·mol-1 (Ref.: 98sas/sho) Sassani, D.C., and Shock, E.L., Solubility and Transport of Platinum-Group Elements in Supercritical fluids: Estimates of standard partial molal properties, oxidation potentials, and hydrolysis constants at high temperatures and pressures: Geohim. Cosmo. Acta, v. 61, no. 20, pp. 4245-4266.
T(°C) 0 25 60 100 150 200 250 300
log10K -17.25 -15.95 -14.46 -13.11 -11.78 -10.70 -9.77 -8.92
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
314.058063 0.051150 -20383.153323 -115.767806 850468.887833