Sr(HSO4)2 + 2e− → Sr(OH)2 + S2O62−
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- Reduction of strontium hydrogensulfate
Reduction of strontium hydrogensulfate yields strontium hydroxide and dithionate ion (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reduction of strontium hydrogensulfate
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of strontium hydrogensulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr(HSO4)2 | Strontium hydrogensulfate | 1 | Oxidizing | – |
| e− | Electron | 2 | – | Electron |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr(OH)2 | Strontium hydroxide | 1 | – | – |
| S2O62− | Dithionate ion | 1 | Reduced | – |
Thermodynamic changes
Thermodynamic data of reactants
| Chemical formula | Standard 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(HSO4)2 | – | – | – | – |
| e− | – | – | – | – |
Thermodynamic data of products
| Chemical formula | Standard 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(OH)2 (cr) | -959.0[1] | – | – | – |
| Sr(OH)2 (g) | -565[1] | – | – | – |
| Sr(OH)2 (cr) 1 hydrate | -1264.8[1] | – | – | – |
| Sr(OH)2 (cr) 8 hydrate | -3352.2[1] | – | – | – |
| S2O62− (aq) | -1198.3[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (aq):Aqueous solution
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)