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8Na + 5PbSO4 → 4Na2SO4 + PbS + 4PbO

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Reaction of sodium and lead(II) sulfate
8NaSodium + 5PbSO4Lead(II) sulfate
⟶
4Na2SO4Sodium sulfate + PbSLead(II) sulfide + 4PbOLead(II) oxide

The reaction of sodium and lead(II) sulfate yields sodium sulfate, lead(II) sulfide, and lead(II) 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

Reaction of sodium and lead(II) sulfate
8NaSodium + 5PbSO4Lead(II) sulfate
⟶
4Na2SO4Sodium sulfate + PbSLead(II) sulfide + 4PbOLead(II) oxide

General equation

Reaction of reducing species and reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of sodium and lead(II) sulfate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaSodium8
Reducing
Reducing
PbSO4Lead(II) sulfate5
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na2SO4Sodium sulfate4
Oxidized
–
PbSLead(II) sulfide1
Reduced
–
PbOLead(II) oxide4
–
–

Thermodynamic changes

Changes in standard condition (1)

Reaction of sodium and lead(II) sulfate
◆
ΔrG−1865.2 kJ/mol
K5.87 × 10326
pK−326.77
8NaCrystalline solid + 5PbSO4Crystalline solid
⟶
4Na2SO4Crystalline solidorthorhombic + PbSCrystalline solid + 4PbOCrystalline solidmassicot, yellow
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
−1918.3−1865.2−188.23.43
per 1 mol of
−239.79−233.15−23.520.429
per 1 mol of
−383.66−373.04−37.640.686
per 1 mol of
−479.57−466.30−47.050.858
per 1 mol of
−1918.3−1865.2−188.23.43
per 1 mol of
−479.57−466.30−47.050.858

Changes in standard condition (2)

Reaction of sodium and lead(II) sulfate
◆
ΔrG−1869.4 kJ/mol
K3.20 × 10327
pK−327.50
8NaCrystalline solid + 5PbSO4Crystalline solid
⟶
4Na2SO4Crystalline solidorthorhombic + PbSCrystalline solid + 4PbOCrystalline solidlitharge, red
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
−1925.0−1869.4−197.03.59
per 1 mol of
−240.63−233.68−24.630.449
per 1 mol of
−385.00−373.88−39.400.718
per 1 mol of
−481.25−467.35−49.250.897
per 1 mol of
−1925.0−1869.4−197.03.59
per 1 mol of
−481.25−467.35−49.250.897

Changes in standard condition (3)

Reaction of sodium and lead(II) sulfate
8NaCrystalline solid + 5PbSO4Crystalline solid
⟶
4Na2SO4Crystalline solidmetastable + PbSCrystalline solid + 4PbOCrystalline solidmassicot, yellow
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
––−166.87.79
per 1 mol of
––−20.850.974
per 1 mol of
––−33.361.56
per 1 mol of
––−41.701.95
per 1 mol of
––−166.87.79
per 1 mol of
––−41.701.95

Changes in standard condition (4)

Reaction of sodium and lead(II) sulfate
8NaCrystalline solid + 5PbSO4Crystalline solid
⟶
4Na2SO4Crystalline solidmetastable + PbSCrystalline solid + 4PbOCrystalline solidlitharge, red
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
––−175.67.95
per 1 mol of
––−21.950.994
per 1 mol of
––−35.121.59
per 1 mol of
––−43.901.99
per 1 mol of
––−175.67.95
per 1 mol of
––−43.901.99

Changes in aqueous solution

Reaction of sodium and lead(II) sulfate
◆
ΔrG−1858.0 kJ/mol
K3.22 × 10325
pK−325.51
8NaCrystalline solid + 5PbSO4Crystalline solid
⟶
4Na2SO4Ionized aqueous solution + PbSCrystalline solid + 4PbOCrystalline solidmassicot, yellow
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
−1928.0−1858.0−234.1−1313
per 1 mol of
−241.00−232.25−29.26−164.1
per 1 mol of
−385.60−371.60−46.82−262.6
per 1 mol of
−482.00−464.50−58.52−328.3
per 1 mol of
−1928.0−1858.0−234.1−1313
per 1 mol of
−482.00−464.50−58.52−328.3

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]
PbSO4 (cr)-919.94[1]-813.14[1]148.57[1]103.207[1]
* (cr):Crystalline solid, (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
Na2SO4 (cr)
orthorhombic
-1387.08[1]-1270.16[1]149.58[1]128.20[1]
Na2SO4 (cr)
metastable
––154.934[1]129.29[1]
Na2SO4 (ai)-1389.51[1]-1268.36[1]138.1[1]-201[1]
Na2SO4 (cr)
10 hydrate
-4327.26[1]-3646.85[1]592.0[1]–
PbS (cr)-100.4[1]-98.7[1]91.2[1]49.50[1]
PbO (cr)
massicot, yellow
-217.32[1]-187.89[1]68.70[1]45.77[1]
PbO (cr)
litharge, red
-218.99[1]-188.93[1]66.5[1]45.81[1]
PbO (cr)
1/3 hydrate
–-266.5[1]––
* (cr):Crystalline solid, (ai):Ionized aqueous solution

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)