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6CH3COONH4 + 52Fe2O3 → 6FeCO3 + 27Fe3O4 + Fe2[Fe(CN)6] + 14Fe(OH)3

The reaction of ammonium acetate and iron(III) oxide yields iron(II) carbonate, iron(II,III) oxide, iron(II) hexacyanidoferrate(II), and iron(III) hydroxide (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

General equation

Reaction of reducing species and reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CH3COONH4Ammonium acetate6
Reducing
Reducing
Fe2O3Iron(III) oxide52
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
FeCO3Iron(II) carbonate6
Redoxed product
Fe3O4Iron(II,III) oxide27
Reduced
Fe2[Fe(CN)6]Iron(II) hexacyanidoferrate(II)1
Redoxed product
Fe(OH)3Iron(III) hydroxide14

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
CH3COONH4 (cr)-616.14[1]
CH3COONH4 (ai)-618.52[1]-448.61[1]200.0[1]73.6[1]
Fe2O3 (cr)-824.2[1]-742.2[1]87.40[1]103.85[1]
* (cr):Crystalline solid, (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
FeCO3 (cr)
siderite
-740.57[1]-666.67[1]92.9[1]82.13[1]
Fe3O4 (cr)-1118.4[1]-1015.4[1]146.4[1]143.43[1]
Fe2[Fe(CN)6]
Fe(OH)3 (cr)
precipitated
-823.0[1]-696.5[1]106.7[1]
Fe(OH)3 (ao)-659.3[1]
* (cr):Crystalline solid, (ao):Un-ionized aqueous solution

References

List of references

  1. 1