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Ni(NO3)2 🔥→ NiO + 2NO↑ + O3

Decomposition of nickel(II) nitrate yields nickel(II) oxide, nitrogen monoxide, 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

General equation

Thermal decomposition with redox
Thermally decomposable substanceSelf redox agent
🔥
ProductOxidation product + ProductReduction product
Thermal decomposition of oxoacid salt with redox
Oxoacid saltSelf redox agent
🔥
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Decomposition of nickel(II) nitrate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Ni(NO3)2Nickel(II) nitrate1
Self redox agent
Thermally decomposable
Oxoacid salt

Products

Chemical formulaNameCoefficientTypeType in general
equation
NiONickel(II) oxide1
NONitrogen monoxide2
Reduced
O3Ozone1
Oxidized

Thermodynamic changes

Changes in standard condition

Decomposition of nickel(II) nitrate
Ni(NO3)2Crystalline solid
🔥
NiOCrystalline solid + 2NOGas + O3Gas
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
498.6
per 1 mol of
498.6
per 1 mol of
498.6
per 1 mol of
249.3
per 1 mol of
498.6

Changes in aqueous solution (1)

Decomposition of nickel(II) nitrate
ΔrG393.1 kJ/mol
K0.14 × 10−68
pK68.87
Ni(NO3)2Ionized aqueous solution
🔥
NiOCrystalline solid + 2NOGas + O3Gas
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
552.1393.1534.4
per 1 mol of
552.1393.1534.4
per 1 mol of
552.1393.1534.4
per 1 mol of
276.1196.6267.2
per 1 mol of
552.1393.1534.4

Changes in aqueous solution (2)

Decomposition of nickel(II) nitrate
ΔrG404.0 kJ/mol
K0.17 × 10−70
pK70.78
Ni(NO3)2Ionized aqueous solution
🔥
NiOCrystalline solid + 2NOGas + O3Un-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
535.3404.0442
per 1 mol of
535.3404.0442
per 1 mol of
535.3404.0442
per 1 mol of
267.6202.0221
per 1 mol of
535.3404.0442

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
Ni(NO3)2 (cr)-415.1[1]
Ni(NO3)2 (ai)-468.6[1]-268.5[1]164.0[1]
Ni(NO3)2 (cr)
3 hydrate
-1326.3[1]
Ni(NO3)2 (cr)
6 hydrate
-2211.7[1]464[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
NiO (cr)-239.7[1]-211.7[1]37.99[1]44.31[1]
NiO (g)314[1]
NO (g)90.25[1]86.55[1]210.761[1]29.844[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, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1