PrO2H

Formula : PrO2H

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
173.914 23.503 (Ref.: 95haa/sho) Haas, J.R., Shock, E.L., and Sassani, D.C., 1995, Rare earth elements in hydrothermal systems: Estimates of standard partial molal thermodynamic properties of aqueous complexes of the rare earth elements at high pressures and temperatures: Geochim. Cosmo. Acta, v. 59, no. 21, pp. 4329-4350. -1002905 (Ref.: 95haa/sho) Haas, J.R., Shock, E.L., and Sassani, D.C., 1995, Rare earth elements in hydrothermal systems: Estimates of standard partial molal thermodynamic properties of aqueous complexes of the rare earth elements at high pressures and temperatures: Geochim. Cosmo. Acta, v. 59, no. 21, pp. 4329-4350. -1046964 (Ref.: Internal calculation) 196.648 (Ref.: 95haa/sho) Haas, J.R., Shock, E.L., and Sassani, D.C., 1995, Rare earth elements in hydrothermal systems: Estimates of standard partial molal thermodynamic properties of aqueous complexes of the rare earth elements at high pressures and temperatures: Geochim. Cosmo. Acta, v. 59, no. 21, pp. 4329-4350. -562.65 (Ref.: 95haa/sho) Haas, J.R., Shock, E.L., and Sassani, D.C., 1995, Rare earth elements in hydrothermal systems: Estimates of standard partial molal thermodynamic properties of aqueous complexes of the rare earth elements at high pressures and temperatures: Geochim. Cosmo. Acta, v. 59, no. 21, pp. 4329-4350.
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
20.7970 18.2159 16.9130 -12.3800 -309.6210 -124.5150 -0.1255
Reaction properties

Pr+3 + 2H2O ⇌ PrO2H + 3H+

298.15 K, 1 bar log10K: -26.58 ΔH°r:230986 J·mol-1 (Ref.: 95haa/sho) Haas, J.R., Shock, E.L., and Sassani, D.C., 1995, Rare earth elements in hydrothermal systems: Estimates of standard partial molal thermodynamic properties of aqueous complexes of the rare earth elements at high pressures and temperatures: Geochim. Cosmo. Acta, v. 59, no. 21, pp. 4329-4350.
T(°C) 0 25 60 100 150 200 250 300
log10K -30.41 -26.58 -22.48 -19.02 -15.89 -13.61 -11.88 -10.47
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
247.960250 0.035076 -17372.221736 -89.468671 -475097.957254