Table 2 Formation equations and Gibbs free energy of oxides, sulfides and oxysulfides of cerium14,21,22,23,24,25,26.
From: Thermodynamic Calculation among Cerium, Oxygen, and Sulfur in Liquid Iron
Reaction | Standard Gibbs Free energy, J/mol | No. |
|---|---|---|
[Ce] + 2[O] = CeO2(s) | ΔGθ = −854270 + 250T | (3) |
[Ce] + 3/2[O] = 1/2Ce2O3(s) | ΔGθ = −715560 + 180T | (4) |
[Ce] + [S] = CeS(s) | ΔGθ = −211390 + 60.5T | (5) |
[Ce] + 3/2[S] = 1/2Ce2S3(s) | ΔGθ = −537290 + 164T | (6) |
[Ce] + 4/3[S] = 1/3Ce3S4(s) | ΔGθ = −498480 + 146.3T | (7) |
[Ce] + [O] + 1/2[S] = 1/2Ce2O2S(s) | ΔGθ = −676795 + 166T18 | (8) |
