H2S + 2CsClO3 → Cs2SO4 + 2HClO
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The reaction of hydrogen sulfide and caesium chlorate yields caesium sulfate and hypochlorous acid (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of hydrogen sulfide and caesium chlorate
General equation
- Reaction of reducing species and oxidizing species
- Reducing speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of hydrogen sulfide and caesium chlorate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| H2S | Hydrogen sulfide | 1 | Reducing | Reducing |
| CsClO3 | Caesium chlorate | 2 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cs2SO4 | Caesium sulfate | 1 | Oxidized | – |
| HClO | Hypochlorous acid | 2 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of hydrogen sulfide and caesium chlorate◆
ΔrG −860.6 kJ/mol K 5.90 × 10150 pK −150.77
| 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 | −903.4 | −860.6 | −142 | – |
per 1 mol of | −903.4 | −860.6 | −142 | – |
per 1 mol of | −451.7 | −430.3 | −71.0 | – |
per 1 mol of | −903.4 | −860.6 | −142 | – |
per 1 mol of | −451.7 | −430.3 | −71.0 | – |
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 |
|---|---|---|---|---|
| H2S (g) | -20.63[1] | -33.56[1] | 205.79[1] | 34.23[1] |
| H2S (ao) | -39.7[1] | -27.83[1] | 121[1] | – |
| CsClO3 (cr) | -411.7[1] | -307.9[1] | 156.1[1] | – |
| CsClO3 (ai) | -362.25[1] | -299.97[1] | 295.4[1] | – |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):Ionized aqueous solution
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 |
|---|---|---|---|---|
| Cs2SO4 (cr) | -1443.02[1] | -1323.58[1] | 211.92[1] | 134.89[1] |
| Cs2SO4 (g) | -1102.9[1] | – | – | – |
| Cs2SO4 (ai) | -1425.82[1] | -1328.56[1] | 286.2[1] | – |
| HClO (g) | -78.7[1] | -66.1[1] | 236.67[1] | 37.15[1] |
| HClO (ao) | -120.9[1] | -79.9[1] | 142[1] | – |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized 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)
- ^ ΔfH°, -20.63 kJ · mol−1
- ^ ΔfG°, -33.56 kJ · mol−1
- ^ S°, 205.79 J · K−1 · mol−1
- ^ Cp°, 34.23 J · K−1 · mol−1
- ^ ΔfH°, -39.7 kJ · mol−1
- ^ ΔfG°, -27.83 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1
- ^ ΔfH°, -411.7 kJ · mol−1
- ^ ΔfG°, -307.9 kJ · mol−1
- ^ S°, 156.1 J · K−1 · mol−1
- ^ ΔfH°, -362.25 kJ · mol−1
- ^ ΔfG°, -299.97 kJ · mol−1
- ^ S°, 295.4 J · K−1 · mol−1
- ^ ΔfH°, -1443.02 kJ · mol−1
- ^ ΔfG°, -1323.58 kJ · mol−1
- ^ S°, 211.92 J · K−1 · mol−1
- ^ Cp°, 134.89 J · K−1 · mol−1
- ^ ΔfH°, -1102.9 kJ · mol−1
- ^ ΔfH°, -1425.82 kJ · mol−1
- ^ ΔfG°, -1328.56 kJ · mol−1
- ^ S°, 286.2 J · K−1 · mol−1
- ^ ΔfH°, -78.7 kJ · mol−1
- ^ ΔfG°, -66.1 kJ · mol−1
- ^ S°, 236.67 J · K−1 · mol−1
- ^ Cp°, 37.15 J · K−1 · mol−1
- ^ ΔfH°, -120.9 kJ · mol−1
- ^ ΔfG°, -79.9 kJ · mol−1
- ^ S°, 142. J · K−1 · mol−1