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3NH4ClO3 🔥|️☀️→ 3NH2OH + 3HCl↑ + 2O3

Decomposition of ammonium chlorate
3NH4ClO3Ammonium chlorate
🔥|️☀️
3NH2OHHydroxylamine + 3HClHydrogen chloride + 2O3Ozone

Decomposition of ammonium chlorate yields hydroxylamine, hydrogen chloride, 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

Decomposition of ammonium chlorate
3NH4ClO3Ammonium chlorate
🔥|️☀️
3NH2OHHydroxylamine + 3HClHydrogen chloride + 2O3Ozone

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
Photolytic decomposition with redox
Photolytically decomposable substanceSelf redox agent
️☀️
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Decomposition of ammonium chlorate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4ClO3Ammonium chlorate3
Self redox agent
Thermally decomposable
Oxoacid salt
Photolytically decomposable

Products

Chemical formulaNameCoefficientTypeType in general
equation
NH2OHHydroxylamine3
Oxidized
HClHydrogen chloride3
Reduced
O3Ozone2
Oxidized

Thermodynamic changes

Changes in aqueous solution (1)

Decomposition of ammonium chlorate
3NH4ClO3Ionized aqueous solution
🔥|️☀️
3NH2OHAqueous solution + 3HClGas + 2O3Gas
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
423.0
per 1 mol of
141.0
per 1 mol of
Hydroxylamine
141.0
per 1 mol of
141.0
per 1 mol of
211.5

Changes in aqueous solution (2)

Decomposition of ammonium chlorate
3NH4ClO3Ionized aqueous solution
🔥|️☀️
3NH2OHAqueous solution + 3HClGas + 2O3Un-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
389.4
per 1 mol of
129.8
per 1 mol of
Hydroxylamine
129.8
per 1 mol of
129.8
per 1 mol of
194.7

Changes in aqueous solution (3)

Decomposition of ammonium chlorate
3NH4ClO3Ionized aqueous solution
🔥|️☀️
3NH2OHAqueous solution + 3HClIonized aqueous solution + 2O3Gas
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
198.5
per 1 mol of
66.17
per 1 mol of
Hydroxylamine
66.17
per 1 mol of
66.17
per 1 mol of
99.25

Changes in aqueous solution (4)

Decomposition of ammonium chlorate
3NH4ClO3Ionized aqueous solution
🔥|️☀️
3NH2OHAqueous solution + 3HClIonized aqueous solution + 2O3Un-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
164.9
per 1 mol of
54.97
per 1 mol of
Hydroxylamine
54.97
per 1 mol of
54.97
per 1 mol of
82.45

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
NH4ClO3 (ai)-236.48[1]-87.26[1]275.7[1]
* (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
NH2OH (cr)-114.2[1]
NH2OH (aq)-98.3[1]
HCl (g)-92.307[1]-95.299[1]186.908[1]29.12[1]
HCl (ai)-167.159[1]-131.228[1]56.5[1]-136.4[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, (aq):Aqueous solution, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

References

List of references

  1. 1