You-iggy

Li2SO3 + H2O 💧⚡→ Li2SO4 + H2

Electrolysis of aqueous lithium sulfite with water as oxidizing agent

Electrolysis of aqueous lithium sulfite yields lithium sulfate and hydrogen (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

Electrolysis of aqueous lithium sulfite with water as oxidizing agent

General equation

Electrolysis of aqueous solution with water as oxidizing agent
Miscible with water/Very soluble in water/Soluble in waterReducing agent + H2OOxidizing agent
💧⚡
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Electrolysis of aqueous lithium sulfite with water as oxidizing agent

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Li2SO3Lithium sulfite1
Reducing
Soluble in water
H2OWater1
Oxidizing
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Li2SO4Lithium sulfate1
Oxidized
H2Hydrogen1
Reduced

Thermodynamic changes

Changes in standard condition

Electrolysis of aqueous lithium sulfite with water as oxidizing agent
Li2SO3Crystalline solid + H2OLiquid
💧⚡
Li2SO4Crystalline solid + H2Gas
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
26.3
per 1 mol of
26.3
per 1 mol of
26.3
per 1 mol of
26.3
per 1 mol of
26.3

Changes in aqueous solution (1)

Electrolysis of aqueous lithium sulfite with water as oxidizing agent
Li2SO3Crystalline solid + H2OLiquid
💧⚡
Li2SO4Ionized aqueous solution + H2Gas
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
−3.4
per 1 mol of
−3.4
per 1 mol of
−3.4
per 1 mol of
−3.4
per 1 mol of
−3.4

Changes in aqueous solution (2)

Electrolysis of aqueous lithium sulfite with water as oxidizing agent
Li2SO3Crystalline solid + H2OLiquid
💧⚡
Li2SO4Ionized aqueous solution + H2Un-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
−7.6
per 1 mol of
−7.6
per 1 mol of
−7.6
per 1 mol of
−7.6
per 1 mol of
−7.6

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
Li2SO3 (cr)-1177.0[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]
* (cr):Crystalline solid, (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
Li2SO4 (cr)-1436.49[1]-1321.70[1]115.1[1]117.57[1]
Li2SO4 (ai)-1466.24[1]-1331.20[1]47.3[1]-155.6[1]
Li2SO4 (cr)
1 hydrate
-1735.5[1]-1565.5[1]163.6[1]151.08[1]
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1