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SrSO4 🔥⚡→ Sr + S + 2O2

Molten salt electrolysis of strontium sulfate

Molten salt electrolysis of strontium sulfate yields strontium, sulfur, and oxygen (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

Molten salt electrolysis of strontium sulfate

General equation

Molten salt electrolysis
SaltSelf redox agent
🔥⚡
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Molten salt electrolysis of strontium sulfate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SrSO4Strontium sulfate1
Self redox agent
Salt

Products

Chemical formulaNameCoefficientTypeType in general
equation
SrStrontium1
Reduced
SSulfur1
Reduced
O2Oxygen2
Oxidized

Thermodynamic changes

Changes in standard condition (1)

Molten salt electrolysis of strontium sulfate
ΔrG1340.9 kJ/mol
K0.12 × 10−234
pK234.92
SrSO4Crystalline solid
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Gas
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
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
726.55670.45189

Changes in standard condition (2)

Molten salt electrolysis of strontium sulfate
SrSO4Crystalline solid
🔥⚡
SrCrystalline solidα + SCrystalline solidmonoclinic + 2O2Gas
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
1453.4
per 1 mol of
1453.4
per 1 mol of
1453.4
per 1 mol of
1453.4
per 1 mol of
726.70

Changes in standard condition (3)

Molten salt electrolysis of strontium sulfate
SrSO4Crystalline solidprecipitated
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Gas
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
1449.8
per 1 mol of
1449.8
per 1 mol of
1449.8
per 1 mol of
1449.8
per 1 mol of
724.90

Changes in standard condition (4)

Molten salt electrolysis of strontium sulfate
SrSO4Crystalline solidprecipitated
🔥⚡
SrCrystalline solidα + SCrystalline solidmonoclinic + 2O2Gas
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
1450.1
per 1 mol of
1450.1
per 1 mol of
1450.1
per 1 mol of
1450.1
per 1 mol of
725.05

Changes in aqueous solution (1)

Molten salt electrolysis of strontium sulfate
ΔrG1340.9 kJ/mol
K0.12 × 10−234
pK234.92
SrSO4Crystalline solid
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Gas
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
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
1453.11340.9377
per 1 mol of
726.55670.45189

Changes in aqueous solution (2)

Molten salt electrolysis of strontium sulfate
ΔrG1373.7 kJ/mol
K0.22 × 10−240
pK240.66
SrSO4Crystalline solid
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Un-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
1429.71373.7189
per 1 mol of
1429.71373.7189
per 1 mol of
1429.71373.7189
per 1 mol of
1429.71373.7189
per 1 mol of
714.85686.8594.5

Changes in aqueous solution (3)

Molten salt electrolysis of strontium sulfate
SrSO4Crystalline solidprecipitated
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Gas
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
1449.8
per 1 mol of
1449.8
per 1 mol of
1449.8
per 1 mol of
1449.8
per 1 mol of
724.90

Changes in aqueous solution (4)

Molten salt electrolysis of strontium sulfate
SrSO4Crystalline solidprecipitated
🔥⚡
SrCrystalline solidα + SCrystalline solidrhombic + 2O2Un-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
1426.4
per 1 mol of
1426.4
per 1 mol of
1426.4
per 1 mol of
1426.4
per 1 mol of
713.20

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
SrSO4 (cr)-1453.1[1]-1340.9[1]117[1]
SrSO4 (cr)
precipitated
-1449.8[1]
SrSO4 (ai)-1455.07[1]-1304.00[1]-12.6[1]
* (cr):Crystalline solid, (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
Sr (cr)
α
0[1]0[1]52.3[1]26.4[1]
Sr (g)164.4[1]130.9[1]164.62[1]20.786[1]
S (cr)
rhombic
0[1]0[1]31.80[1]22.64[1]
S (cr)
monoclinic
0.33[1]
S (g)278.805[1]238.250[1]167.821[1]23.673[1]
O2 (g)0[1]0[1]205.138[1]29.355[1]
O2 (ao)-11.7[1]16.4[1]110.9[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1