Table 2 Standard Gibbs free energies of formation used in this work are calculated via the gas reactions from48, valid for 1 bar pressure and the temperature (T) range 298–2500 K.
From: Mantle redox state drives outgassing chemistry and atmospheric composition of rocky planets
a | b | c | |
|---|---|---|---|
∆fG0 = a + bT log T + cT | |||
2 C + \(\text {O}_{2}\) = 2 \(\text {CO}\) | − 214104.0 | 25.2183 | − 262.1545 |
C + \(\text {O}_{2}\) = \(\text {CO}_{2}\) | − 392647.0 | 4.5855 | − 16.9762 |
2 \(\text {H}_{2}\)+ \(\text {O}_{2}\)= 2 \(\text {H}_{2}\text {O}\) | − 483095.0 | 25.3687 | 21.9563 |