Rh2O3(s)

Formula : Rh2O3

Family: 
Oxides

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
253.809 31.370 (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. -202087 (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. -285798 (Ref.: Internal calculation) 90.082 (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. 104.00 (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.
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.
86.78 57.74 0.00 (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.
Reaction properties

Rh2O3(s) + 6H+ ⇌ 2Rh+3 + 3H2O

298.15 K, 1 bar log10K: 12.34 ΔH°r:-213359 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 15.73 12.34 8.39 4.72 1.01 -2.08 -4.81 -7.36
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1050.019063 -0.167224 65471.363785 374.746043 -3080834.850110