From: Piezo-tolerant natural gas-producing microbes under accumulating pCO2
Eq nr | Reaction equation substrates | Products | \( \Delta G_{\text{r}}^{{0,{\text{a}}}} \) (kJ reaction−1) | \( \Delta G_{\text{r}}^{\text{b}} \) (kJ reaction−1) | \( \Delta G_{\text{r}}^{\text{c}} \) (kJ reaction−1) | \( \Delta G_{\text{r}}^{\text{d}} \) (kJ reaction−1) |
---|---|---|---|---|---|---|
1* | Acetate− + H2O | CH4 + HCO3 − | −31.0 | −25.8 | −19.2 | −17.5 |
2a** | 4H2 + CO2 (g) | CH4 + 2H2O | −130.7 | −12.5 | −12.9 | −53.5 |
2b** | 4H2 + CO2(aq) | CH4 + 2H2O | −139.1 | −12.7 | −13.1 | −53.7 |
2c** | 4H2 + HCO3 − + H+ | CH4 + 3H2O | −135.5 | −21.0 | −14.5 | −55.0 |
3a | 4H2 + 2CO2 (g) | Acetate− + H+ + 2H2O | −95.0 | +17.3 | +3.4 | −37.2 |
3b | 4H2 + 2CO2 (aq) | Acetate− + H+ + 2H2O | −111.7 | +21.4 | +7.5 | −33.1 |
3c | 4H2 + 2HCO3 − + 2H+ | Acetate− + H+ + 4H2O | −104.5 | +4.7 | +4.7 | −35.8 |
4a | Propionate− + 2H2O | Acetate− + 3H2 + CO2(g) | +71.8 | −19.1 | −12.1 | +18.3 |
4b | Propionate− + 2H2O | Acetate− + 3H2 + CO2(aq) | +80.1 | −18.9 | −11.9 | +18.5 |
4c | Propionate− + 3H2O | Acetate− + 3H2 + HCO3 − + H+ | +76.5 | −10.5 | −10.5 | +19.9 |
5a | C6H12O6 + 2H2O | 2 acetate− + 2H+ + 4H2 + 2CO2(g) | −215.9 | −342.0 | −328.0 | −287.4 |
5b | C6H12O6 + 2H2O | 2 acetate− + 2H+ + 4H2 + 2CO2(aq) | −199.2 | −341.6 | −327.6 | −287.0 |
5c | C6H12O6 + 4H2O | 2 acetate− + 4H+ + 4H2 + 2HCO3 − | −206.5 | −324.9 | −324.9 | −284.3 |