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21Cu + 16Fe(NO3)3 + 6H2O → 21Cu(NO3)2 + 3N2H4 + 8Fe2O3

The reaction of copper, iron(III) nitrate, and water yields copper(II) nitrate, hydrazine, and iron(III) oxide (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 oxidizable species and oxidizing species under neutral condition
Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H2ONon-redox agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of copper and iron(III) nitrate under neutral condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper21
Reducing
Oxidizable
Fe(NO3)3Iron(III) nitrate16
Oxidizing
Oxidizing
H2OWater6
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu(NO3)2Copper(II) nitrate21
Oxidized
N2H4Hydrazine3
Reduced
Fe2O3Iron(III) oxide8

Thermodynamic changes

Changes in aqueous solution (1)

Reaction of copper and iron(III) nitrate under neutral condition
ΔrG−2015.1 kJ/mol
K1.07 × 10353
pK−353.03
21CuCrystalline solid + 16Fe(NO3)3Ionized aqueous solution + 6H2OLiquid
21Cu(NO3)2Ionized aqueous solution + 3N2H4Un-ionized aqueous solution + 8Fe2O3Crystalline solid
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
−1393.4−2015.12082
per 1 mol of
−66.352−95.95799.14
per 1 mol of
−87.088−125.94130.1
per 1 mol of
−232.23−335.85347.0
per 1 mol of
−66.352−95.95799.14
per 1 mol of
−464.47−671.70694.0
per 1 mol of
−174.18−251.89260.3

Changes in aqueous solution (2)

Reaction of copper and iron(III) nitrate under neutral condition
21CuCrystalline solid + 16Fe(NO3)3Aqueous solution + 6H2OLiquid
21Cu(NO3)2Ionized aqueous solution + 3N2H4Un-ionized aqueous solution + 8Fe2O3Crystalline solid
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
−1326.2
per 1 mol of
−63.152
per 1 mol of
−82.888
per 1 mol of
−221.03
per 1 mol of
−63.152
per 1 mol of
−442.07
per 1 mol of
−165.78

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
Cu (cr)0[1]0[1]33.150[1]24.435[1]
Cu (g)338.32[1]298.58[1]166.38[1]20.786[1]
Fe(NO3)3 (ai)-670.7[1]-338.3[1]123.4[1]
Fe(NO3)3 (aq)-674.9[1]
Fe(NO3)3 (cr)
9 hydrate
-3285.3[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]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (aq):Aqueous solution, (l):Liquid

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
Cu(NO3)2 (cr)-302.9[1]
Cu(NO3)2 (ai)-349.95[1]-157.02[1]193.3[1]
Cu(NO3)2 (cr)
3 hydrate
-1217.1[1]
Cu(NO3)2 (cr)
6 hydrate
-2110.8[1]
N2H4 (l)50.63[1]149.34[1]121.21[1]98.87[1]
N2H4 (g)95.40[1]159.35[1]238.47[1]49.58[1]
N2H4 (ao)34.31[1]128.1[1]138[1]
Fe2O3 (cr)-824.2[1]-742.2[1]87.40[1]103.85[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)