Irreversible reaction
CO2 reduction to CO with oxygen evolution
- Direction
- Irreversible
- Processes
- 1
- Stated as
- Stoichiometry only
- Heat of reaction
- ΔH = 565,960 kJ/kmol (one process)
- Element balance
- Checked: balances
Species
| Species | Name | CAS | Role | Coefficient |
|---|---|---|---|---|
| CO2 | Carbon dioxide | 124-38-9 | reactant | -2 |
| CO | Carbon monoxide | 630-08-0 | product | 2 |
| O2 | Oxygen | 7782-44-7 | product | 1 |
Also stated as 2 CO + O2 → 2 CO2.
In the processes
- CO2 electrolysis to CO in reverse-bias bipolar-membrane cells (measured bench cell, two pilot skids)Concept · not reviewed
CO2R· CO2 reduction to CO with oxygen evolutionCO2 → CO + 1/2 O2- Scale
- Written at 0.5 times the scale
- Element balance
- Balances in every element
- Heat of reaction
- ΔH = 282,980 kJ/kmol at 298.15 K, as written (given: CODATA Key Values (Cox, Wagman, Medvedev 1989): dfH(CO, g) - dfH(CO2, g) = -110.53 + 393.51 kJ/mol (+- 0.21 kJ/mol))
Sources
What the processes cite for this reaction, each source once: for the reaction itself, its conversion, its heat of reaction or its catalyst. As the processes write them; DOIs, US patent numbers and web addresses are linked.
Cox, Wagman, Medvedev, CODATA Key Values for Thermodynamics, Hemisphere, New York (1989)
For the reaction · cited by CO2 electrolysis to CO in reverse-bias bipolar-membrane cells (measured bench cell, two pilot skids)
CODATA Key Values (Cox, Wagman, Medvedev 1989): dfH(CO, g) - dfH(CO2, g) = -110.53 + 393.51 kJ/mol (+- 0.21 kJ/mol)
For the heat of reaction · cited by CO2 electrolysis to CO in reverse-bias bipolar-membrane cells (measured bench cell, two pilot skids)