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Fe3O4 + 8e → 3Fe + 4O2−

Reduction of iron(II,III) oxide
Fe3O4Iron(II,III) oxide + 8eElectron
3FeIron + 4O2−Oxide ion

Reduction of iron(II,III) oxide yields iron 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 iron(II,III) oxide
Fe3O4Iron(II,III) oxide + 8eElectron
3FeIron + 4O2−Oxide ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reduction of iron(II,III) oxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Fe3O4Iron(II,III) oxide1
Oxidizing
eElectron8
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
FeIron3
Reduced
O2−Oxide ion4

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
Fe3O4 (cr)-1118.4[1]-1015.4[1]146.4[1]143.43[1]
e
* (cr):Crystalline solid

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
Fe (cr)0[1]0[1]27.28[1]25.10[1]
Fe (g)416.3[1]370.7[1]180.490[1]25.677[1]
O2−
* (cr):Crystalline solid, (g):Gas

References

List of references

  1. 1