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8Na + 8KClO4 → NaCl + 7NaClO4 + 4K2O

The reaction of sodium and potassium perchlorate yields sodium chloride, sodium perchlorate, and potassium oxide (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
NaSodium8
Reducing
Reducing
KClO4Potassium perchlorate8
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride1
Redoxed product
NaClO4Sodium perchlorate7
Oxidized
K2OPotassium oxide4

Thermodynamic changes

Changes in standard condition

Reaction of sodium and potassium perchlorate
ΔrG−1031.8 kJ/mol
K5.80 × 10180
pK−180.76
8NaCrystalline solid + 8KClO4Crystalline solid
NaClCrystalline solid + 7NaClO4Crystalline solid + 4K2OCrystalline solid
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
−1078.3−1031.8−173.1
per 1 mol of
−134.79−128.97−21.64
−134.79−128.97−21.64
per 1 mol of
−1078.3−1031.8−173.1
per 1 mol of
−154.04−147.40−24.73
per 1 mol of
−269.57−257.95−43.27

Changes in aqueous solution

Reaction of sodium and potassium perchlorate
ΔrG−1240.1 kJ/mol
K1.80 × 10217
pK−217.26
8NaCrystalline solid + 8KClO4Ionized aqueous solution
NaClIonized aqueous solution + 7NaClO4Ionized aqueous solution + 4K2OCrystalline solid
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
−1385.7−1240.1−506.8
per 1 mol of
−173.21−155.01−63.35
−173.21−155.01−63.35
per 1 mol of
−1385.7−1240.1−506.8
per 1 mol of
−197.96−177.16−72.40
per 1 mol of
−346.43−310.02−126.7

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
Na (cr)0[1]0[1]51.21[1]28.24[1]
Na (g)107.32[1]76.761[1]153.712[1]20.786[1]
KClO4 (cr)-432.75[1]-303.09[1]151.0[1]112.38[1]
KClO4 (ai)-381.71[1]-291.79[1]284.5[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
NaCl (cr)-411.153[1]-384.138[1]72.13[1]50.50[1]
NaCl (g)-176.65[1]-196.66[1]229.81[1]35.77[1]
NaCl (ai)-407.27[1]-393.133[1]115.5[1]-90.0[1]
NaClO4 (cr)-383.30[1]-254.85[1]142.3[1]
NaClO4 (ai)-369.45[1]-270.41[1]241.0[1]
NaClO4 (cr)
1 hydrate
-677.77[1]-494.29[1]190.8[1]
K2O (cr)-361.5[1]-322.1[2]94.1[2]83.7[2]
K2O (g)-63[1]
* (cr):Crystalline solid, (g):Gas, (ai):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