3FeO + CdCO3 🔥→ Fe3O4 + CdO + CO↑
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The reaction of iron(II) oxide and cadmium carbonate yields iron(II,III) oxide, cadmium oxide, and carbon monoxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of iron(II) oxide and cadmium carbonate
General equation
- Reaction of oxidizable species and reducible species
- Oxidizable speciesReducing agent + Reducible speciesOxidizing agent🔥⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of iron(II) oxide and cadmium carbonate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| FeO | Iron(II) oxide | 3 | Reducing | Oxidizable |
| CdCO3 | Cadmium carbonate | 1 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Fe3O4 | Iron(II,III) oxide | 1 | Oxidized | – |
| CdO | Cadmium oxide | 1 | – | – |
| CO | Carbon monoxide | 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of iron(II) oxide and cadmium carbonate
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 79.5 | – | – | – |
per 1 mol of | 26.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
Changes in aqueous solution (1)
- Reaction of iron(II) oxide and cadmium carbonate
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 79.5 | – | – | – |
per 1 mol of | 26.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
per 1 mol of | 79.5 | – | – | – |
Changes in aqueous solution (2)
- Reaction of iron(II) oxide and cadmium carbonate
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 69.0 | – | – | – |
per 1 mol of | 23.0 | – | – | – |
per 1 mol of | 69.0 | – | – | – |
per 1 mol of | 69.0 | – | – | – |
per 1 mol of | 69.0 | – | – | – |
per 1 mol of | 69.0 | – | – | – |
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| FeO (cr) | -272.0[1] | – | – | – |
| CdCO3 (cr) | -750.6[1] | -669.4[1] | 92.5[1] | – |
* (cr):Crystalline solid
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| Fe3O4 (cr) | -1118.4[1] | -1015.4[1] | 146.4[1] | 143.43[1] |
| CdO (cr) | -258.2[1] | -228.4[1] | 54.8[1] | 43.43[1] |
| CO (g) | -110.525[1] | -137.168[1] | 197.674[1] | 29.142[1] |
| CO (ao) | -120.96[1] | -119.90[1] | 104.6[1] | – |
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
- ^ ΔfH°, -272.0 kJ · mol−1
- ^ ΔfH°, -750.6 kJ · mol−1
- ^ ΔfG°, -669.4 kJ · mol−1
- ^ S°, 92.5 J · K−1 · mol−1
- ^ ΔfH°, -1118.4 kJ · mol−1
- ^ ΔfG°, -1015.4 kJ · mol−1
- ^ S°, 146.4 J · K−1 · mol−1
- ^ Cp°, 143.43 J · K−1 · mol−1
- ^ ΔfH°, -258.2 kJ · mol−1
- ^ ΔfG°, -228.4 kJ · mol−1
- ^ S°, 54.8 J · K−1 · mol−1
- ^ Cp°, 43.43 J · K−1 · mol−1
- ^ ΔfH°, -110.525 kJ · mol−1
- ^ ΔfG°, -137.168 kJ · mol−1
- ^ S°, 197.674 J · K−1 · mol−1
- ^ Cp°, 29.142 J · K−1 · mol−1
- ^ ΔfH°, -120.96 kJ · mol−1
- ^ ΔfG°, -119.90 kJ · mol−1
- ^ S°, 104.6 J · K−1 · mol−1