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4Cu + HgSO4 🔥→ Cu2SO3 + Cu2O + Hg

The reaction of copper and mercury(II) sulfate yields copper(I) sulfite, copper(I) oxide, and mercury (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 oxidizable species and reducible species
Oxidizable speciesReducing agent + Reducible speciesOxidizing agent
🔥
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of copper and mercury(II) sulfate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper4
Reducing
Oxidizable
HgSO4Mercury(II) sulfate1
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu2SO3Copper(I) sulfite1
Redoxed product
Cu2OCopper(I) oxide1
Oxidized
HgMercury1
Reduced

Thermodynamic changes

Changes in aqueous solution

Reaction of copper and mercury(II) sulfate
ΔrG94.9 kJ/mol
K0.24 × 10−16
pK16.63
4CuCrystalline solid + HgSO4Un-ionized aqueous solution
🔥
Cu2SO3Ionized aqueous solution + Cu2OCrystalline solid + HgUn-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
94.9
per 1 mol of
23.7
94.9
per 1 mol of
94.9
per 1 mol of
94.9
per 1 mol of
94.9

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
Cu (cr)0[1]0[1]33.150[1]24.435[1]
Cu (g)338.32[1]298.58[1]166.38[1]20.786[1]
HgSO4 (cr)-707.5[1]
HgSO4 (ao)-588.2[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-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
Cu2SO3 (ai)-492.0[1]-386.6[1]50[1]
Cu2O (cr)-168.6[1]-146.0[1]93.14[1]63.64[1]
Hg (cr)
Hg (l)0[1]0[1]76.02[1]27.983[1]
Hg (g)61.317[1]31.820[1]174.96[1]20.786[1]
Hg (ao)37.7[1]39.3[1]71[1]
* (ai):Ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1