H2S + CsClO3 → SO2 + CsCl + H2O
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The reaction of hydrogen sulfide and caesium chlorate yields sulfur dioxide, caesium chloride, and water (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 | 1 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SO2 | Sulfur dioxide | 1 | Oxidized | – |
| CsCl | Caesium chloride | 1 | Reduced | – |
| H2O | Water | 1 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of hydrogen sulfide and caesium chlorate◆
ΔrG −610.4 kJ/mol K 8.66 × 10106 pK −106.94
| 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 | −593.4 | −610.4 | 57.4 | – |
per 1 mol of | −593.4 | −610.4 | 57.4 | – |
per 1 mol of | −593.4 | −610.4 | 57.4 | – |
per 1 mol of | −593.4 | −610.4 | 57.4 | – |
per 1 mol of | −593.4 | −610.4 | 57.4 | – |
per 1 mol of | −593.4 | −610.4 | 57.4 | – |
Changes in aqueous solution (1)
- Reaction of hydrogen sulfide and caesium chlorate◆
ΔrG −632.76 kJ/mol K 7.16 × 10110 pK −110.85
| 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 | −606.1 | −632.76 | 91 | – |
per 1 mol of | −606.1 | −632.76 | 91 | – |
per 1 mol of | −606.1 | −632.76 | 91 | – |
per 1 mol of | −606.1 | −632.76 | 91 | – |
per 1 mol of | −606.1 | −632.76 | 91 | – |
per 1 mol of | −606.1 | −632.76 | 91 | – |
Changes in aqueous solution (2)
- Reaction of hydrogen sulfide and caesium chlorate◆
ΔrG −633.25 kJ/mol K 8.72 × 10110 pK −110.94
| 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 | −632.3 | −633.25 | 5 | – |
per 1 mol of | −632.3 | −633.25 | 5 | – |
per 1 mol of | −632.3 | −633.25 | 5 | – |
per 1 mol of | −632.3 | −633.25 | 5 | – |
per 1 mol of | −632.3 | −633.25 | 5 | – |
per 1 mol of | −632.3 | −633.25 | 5 | – |
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 |
|---|---|---|---|---|
| SO2 (l) | -320.5[1] | – | – | – |
| SO2 (g) | -296.830[1] | -300.194[1] | 248.22[1] | 39.87[1] |
| SO2 (ao) | -322.980[1] | -300.676[1] | 161.9[1] | – |
| CsCl (cr) | -443.04[1] | -414.53[1] | 101.17[1] | 52.47[1] |
| CsCl (g) | -240.20[1] | -257.80[1] | 255.96[1] | 36.94[1] |
| CsCl (ai) | -425.43[1] | -423.24[1] | 189.54[1] | -146.9[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] |
* (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):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°, -320.5 kJ · mol−1
- ^ ΔfH°, -296.830 kJ · mol−1
- ^ ΔfG°, -300.194 kJ · mol−1
- ^ S°, 248.22 J · K−1 · mol−1
- ^ Cp°, 39.87 J · K−1 · mol−1
- ^ ΔfH°, -322.980 kJ · mol−1
- ^ ΔfG°, -300.676 kJ · mol−1
- ^ S°, 161.9 J · K−1 · mol−1
- ^ ΔfH°, -443.04 kJ · mol−1
- ^ ΔfG°, -414.53 kJ · mol−1
- ^ S°, 101.17 J · K−1 · mol−1
- ^ Cp°, 52.47 J · K−1 · mol−1
- ^ ΔfH°, -240.20 kJ · mol−1
- ^ ΔfG°, -257.80 kJ · mol−1
- ^ S°, 255.96 J · K−1 · mol−1
- ^ Cp°, 36.94 J · K−1 · mol−1
- ^ ΔfH°, -425.43 kJ · mol−1
- ^ ΔfG°, -423.24 kJ · mol−1
- ^ S°, 189.54 J · K−1 · mol−1
- ^ Cp°, -146.9 J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1