Skip to main content
Thermoddem
Thermochemical and Mineralogical Tables for Geochemical Modeling
Databases
Phreeqc
Crunch
Geochemist’s workbench
Toughreact
Chess
Data consultation
Aqueous species
Gases
Minerals
Documents & References
BRGM Reports
Related papers
About
Database development
The Project - Early concepts
The Project - Evolutions
Toward high salinity solutions
Search form
Search in this site
Home
Data
RhOH
+
Formula : RhOH
+
Dernière mise à jour le
25.01.2021
THERMODYNAMICS
Individual properties (298.15 K)
M
g·mol
-1
V°
cm
3
·mol
-1
ΔGº
f
J·mol
-1
ΔHº
f
J·mol
-1
Sº
J·mol
-1
·k
-1
C
P
J·mol
-1
·K
-1
119.913
-17.756
(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.
-76525
(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.
-132236
(Ref.: Internal calculation)
-52.718
(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.
100.94
(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
Rh
+
2
+ H
2
O ⇌ RhOH
+
+ H
+
298.15 K, 1 bar
log
10
K:
-7.84
ΔH°
r
:
43198 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
log
10
K
-8.51
-7.84
-7.03
-6.26
-5.48
-4.84
-4.28
-3.76