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8Li + 5H2S2O3 → 4Li2S2O3 + 2H2S↑ + 3H2O

The reaction of lithium and thiosulfuric acid yields lithium thiosulfate, hydrogen sulfide, 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 reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of lithium and thiosulfuric acid

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
LiLithium8
Reducing
Reducing
H2S2O3Thiosulfuric acid5
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
Li2S2O3Lithium thiosulfate4
Redoxed product
H2SHydrogen sulfide2
Reduced
H2OWater3

Thermodynamic changes

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
Li (cr)0[1]0[1]29.12[1]24.77[1]
Li (g)159.37[1]126.66[1]138.77[1]20.786[1]
H2S2O3
* (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
Li2S2O3
H2S (g)-20.63[1]-33.56[1]205.79[1]34.23[1]
H2S (ao)-39.7[1]-27.83[1]121[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, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (l):Liquid

References

List of references

  1. 1