Ba(HCO3)2 + 2e− → Ba2+ + C2O42− + H2O + O2−
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- Reduction of barium hydrogencarbonate
- Ba(HCO3)2Barium hydrogencarbonate + 2e−ElectronBa2+Barium ion + C2O42−Oxalate ion + H2OWater + O2−Oxide ion⟶
Reduction of barium hydrogencarbonate yields barium ion, oxalate ion, water, and oxide ion (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reduction of barium hydrogencarbonate
- Ba(HCO3)2Barium hydrogencarbonate + 2e−ElectronBa2+Barium ion + C2O42−Oxalate ion + H2OWater + O2−Oxide ion⟶
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of barium hydrogencarbonate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Ba(HCO3)2 | Barium hydrogencarbonate | 1 | Oxidizing | – |
e− | Electron | 2 | – | Electron |
Products
Thermodynamic changes
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 |
---|---|---|---|---|
Ba(HCO3)2 (ai) | -1921.63[1] | -1734.30[1] | 192.0[1] | – |
e− | – | – | – | – |
* (ai):Ionized aqueous solution
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 |
---|---|---|---|---|
Ba2+ (g) | 1660.38[1] | – | – | – |
Ba2+ (ao) | -537.64[1] | -560.77[1] | 9.6[1] | – |
C2O42− (ao) | -825.1[1] | -673.9[1] | 45.6[1] | – |
H2O (cr) | – | – | – | – |
H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
O2− | – | – | – | – |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (l):Liquid
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°, -1921.63 kJ · mol−1
- ^ ΔfG°, -1734.30 kJ · mol−1
- ^ S°, 192.0 J · K−1 · mol−1
- ^ ΔfH°, 1660.38 kJ · mol−1
- ^ ΔfH°, -537.64 kJ · mol−1
- ^ ΔfG°, -560.77 kJ · mol−1
- ^ S°, 9.6 J · K−1 · mol−1
- ^ ΔfH°, -825.1 kJ · mol−1
- ^ ΔfG°, -673.9 kJ · mol−1
- ^ S°, 45.6 J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1