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Ba(HCO3)2 + 2e → Ba2+ + C2O42− + H2O + O2−

Reduction of barium hydrogencarbonate
Ba(HCO3)2Barium hydrogencarbonate + 2eElectron
Ba2+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
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reduction of barium hydrogencarbonate
Ba(HCO3)2Barium hydrogencarbonate + 2eElectron
Ba2+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

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Ba(HCO3)2Barium hydrogencarbonate1
Oxidizing
eElectron2
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
Ba2+Barium ion1
C2O42−Oxalate ion1
Reduced
H2OWater1
O2−Oxide ion1

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard 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 formulaStandard 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

  1. 1