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2Al(NO3)3 + 9H2O 💧⚡→ 2Al(OH)3 + 3N2H4 + 7O3

Electrolysis of aqueous aluminium nitrate with water as reducing agent

Electrolysis of aqueous aluminium nitrate yields aluminium hydroxide, hydrazine, and ozone (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

Electrolysis of aqueous aluminium nitrate with water as reducing agent

General equation

Electrolysis of aqueous solution with water as reducing agent
Miscible with water/Very soluble in water/Soluble in waterOxidizing agent + H2OReducing agent
💧⚡
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Electrolysis of aqueous aluminium nitrate with water as reducing agent

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Al(NO3)3Aluminium nitrate2
Oxidizing
Very soluble in water
H2OWater9
Reducing
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Al(OH)3Aluminium hydroxide2
N2H4Hydrazine3
Reduced
O3Ozone7
Oxidized

Thermodynamic changes

Changes in aqueous solution (1)

Electrolysis of aqueous aluminium nitrate with water as reducing agent
ΔrG2689 kJ/mol
K0.81 × 10−471
pK471.09
2Al(NO3)3Ionized aqueous solution + 9H2OLiquid
💧⚡
2Al(OH)3Crystalline solid + 3N2H4Un-ionized aqueous solution + 7O3Gas
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
341626891364
per 1 mol of
17081345682.0
per 1 mol of
379.6298.8151.6
17081345682.0
per 1 mol of
1139896.3454.7
per 1 mol of
488.0384.1194.9

Changes in aqueous solution (2)

Electrolysis of aqueous aluminium nitrate with water as reducing agent
ΔrG2765 kJ/mol
K0.39 × 10−484
pK484.41
2Al(NO3)3Ionized aqueous solution + 9H2OLiquid
💧⚡
2Al(OH)3Crystalline solid + 3N2H4Un-ionized aqueous solution + 7O3Un-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
32992765714
per 1 mol of
16501383357
per 1 mol of
366.6307.279.3
16501383357
per 1 mol of
1100921.7238
per 1 mol of
471.3395.0102

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
Al(NO3)3 (ai)-1155[1]-820[1]117.6[1]
Al(NO3)3 (cr)
6 hydrate
-2850.48[1]-2203.39[1]467.8[1]433.0[1]
Al(NO3)3 (cr)
9 hydrate
-3757.06[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]
* (ai):Ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (g):Gas

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
Al(OH)3 (cr)-1284[2]-1306[2]71[2]93.1[2]
Al(OH)3 (am)-1276[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]
O3 (g)142.7[1]163.2[1]238.93[1]39.20[1]
O3 (ao)125.9[1]174.1[1]146[1]
* (cr):Crystalline solid, (am):Amorphous solid, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1
  2. 2
    James G. Speight (2017)
    Lange's Handbook of Chemistry, 17th edition
    McGraw Hill Education