CrBr+2

Formula : CrBr+2

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
131.870 -296156 (Ref.: Internal calculation) -339320 (Ref.: 76del/hep) Dellien I. and Hepler L.G., 1976b. Enthalpies of formation of Cr3+(aq) and the inner sphere complexes CrF2+(aq), CrCl2+(aq), CrBr2+(aq), and CrSO4+(aq). Can. J. Chem., 54, p.1383-1387. -175.730 (Ref.: 76del/hep) Dellien I. and Hepler L.G., 1976b. Enthalpies of formation of Cr3+(aq) and the inner sphere complexes CrF2+(aq), CrCl2+(aq), CrBr2+(aq), and CrSO4+(aq). Can. J. Chem., 54, p.1383-1387.
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
Reaction properties

Br- + Cr+3 ⇌ CrBr+2

298.15 K, 1 bar log10K: -0.66 ΔH°r:22708 J·mol-1 (Ref.: 76del/hep) Dellien I. and Hepler L.G., 1976b. Enthalpies of formation of Cr3+(aq) and the inner sphere complexes CrF2+(aq), CrCl2+(aq), CrBr2+(aq), and CrSO4+(aq). Can. J. Chem., 54, p.1383-1387.
T(°C) 0 25 60 100 150 200 250 300
log10K -0.97 -0.66 -0.18 0.37 1.09 1.86 2.76 3.87
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1139.673706 0.185841 -62633.207486 -414.769304 3613854.528163