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7Cu + 3NH4NO3 → 7CuO + 2NO↑ + 4NH3

The reaction of copper and ammonium nitrate yields copper(II) oxide, nitrogen monoxide, and ammonia (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
Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of copper and ammonium nitrate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper7
Reducing
Oxidizable
NH4NO3Ammonium nitrate3
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
CuOCopper(II) oxide7
Oxidized
NONitrogen monoxide2
Reduced
NH3Ammonia4
Reduced

Thermodynamic changes

Changes in standard condition

Reaction of copper and ammonium nitrate
ΔrG−249.0 kJ/mol
K4.20 × 1043
pK−43.62
7CuCrystalline solid + 3NH4NO3Crystalline solid
7CuOCrystalline solid + 2NOGas + 4NH3Gas
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
−8.4−249.0804.44−92.9
per 1 mol of
−1.2−35.57114.92−13.3
per 1 mol of
−2.8−83.00268.15−31.0
per 1 mol of
−1.2−35.57114.92−13.3
per 1 mol of
−4.2−124.5402.22−46.5
per 1 mol of
−2.1−62.25201.11−23.2

Changes in aqueous solution (1)

Reaction of copper and ammonium nitrate
ΔrG−228.9 kJ/mol
K1.26 × 1040
pK−40.10
7CuCrystalline solid + 3NH4NO3Ionized aqueous solution
7CuOCrystalline solid + 2NOGas + 4NH3Gas
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
−85.4−228.9478.3345.1
per 1 mol of
−12.2−32.7068.3349.30
per 1 mol of
−28.5−76.30159.4115.0
per 1 mol of
−12.2−32.7068.3349.30
per 1 mol of
−42.7−114.5239.2172.6
per 1 mol of
−21.4−57.23119.686.28

Changes in aqueous solution (2)

Reaction of copper and ammonium nitrate
ΔrG−269.1 kJ/mol
K1.39 × 1047
pK−47.14
7CuCrystalline solid + 3NH4NO3Ionized aqueous solution
7CuOCrystalline solid + 2NOGas + 4NH3Un-ionized aqueous solution
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
−222.2−269.1153.7
per 1 mol of
−31.74−38.4421.96
per 1 mol of
−74.07−89.7051.23
per 1 mol of
−31.74−38.4421.96
per 1 mol of
−111.1−134.676.85
per 1 mol of
−55.55−67.2838.42

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]
NH4NO3 (cr)-365.56[1]-183.87[1]151.08[1]139.3[1]
NH4NO3 (ai)-339.87[1]-190.56[1]259.8[1]-6.7[1]
* (cr):Crystalline solid, (g):Gas, (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
CuO (cr)-157.3[1]-129.7[1]42.63[1]42.30[1]
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
NH3 (g)-46.11[1]-16.45[1]192.45[1]35.06[1]
NH3 (ao)-80.29[1]-26.50[1]111.3[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1