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3NH4ClO3 + 5HNO3 → 8NO↑ + 3HClO3 + 7H2O

The reaction of ammonium chlorate and nitric acid yields nitrogen monoxide, chloric acid, and water (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 reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4ClO3Ammonium chlorate3
Reducing
Reducing
HNO3Nitric acid5
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NONitrogen monoxide8
Redoxed product
HClO3Chloric acid3
H2OWater7

Thermodynamic changes

Changes in aqueous solution

Reaction of ammonium chlorate and nitric acid
ΔrG−173.32 kJ/mol
K2.31 × 1030
pK−30.36
3NH4ClO3Ionized aqueous solution + 5HNO3Ionized aqueous solution
8NOGas + 3HClO3Ionized aqueous solution + 7H2OLiquid
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
155.52−173.321103.3
per 1 mol of
51.840−57.773367.77
per 1 mol of
31.104−34.664220.66
per 1 mol of
19.440−21.665137.91
per 1 mol of
51.840−57.773367.77
per 1 mol of
22.217−24.760157.61

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]
HNO3 (l)-174.10[1]-80.71[1]155.60[1]109.87[1]
HNO3 (g)-135.06[1]-74.72[1]266.38[1]53.35[1]
HNO3 (ai)-207.36[1]-111.25[1]146.4[1]-86.6[1]
HNO3 (l)
1 hydrate
-473.46[1]-328.77[1]216.90[1]182.46[1]
HNO3 (l)
3 hydrate
-1056.04[1]-811.09[1]346.98[1]325.14[1]
* (ai):Ionized aqueous solution, (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
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
HClO3 (ai)-103.97[1]-7.95[1]162.3[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]
* (g):Gas, (ai):Ionized aqueous solution, (cr):Crystalline solid, (l):Liquid

References

List of references

  1. 1