3H2S + 6CsClO4 → 3Cs2SO4 + 4HClO + 2HClO4
Last updated:
The reaction of hydrogen sulfide and caesium perchlorate yields caesium sulfate, hypochlorous acid, and perchloric 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 perchlorate
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 perchlorate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| H2S | Hydrogen sulfide | 3 | Reducing | Reducing |
| CsClO4 | Caesium perchlorate | 6 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cs2SO4 | Caesium sulfate | 3 | Oxidized | – |
| HClO | Hypochlorous acid | 4 | Reduced | – |
| HClO4 | Perchloric acid | 2 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of hydrogen sulfide and caesium perchlorate◆
ΔrG −2435.6 kJ/mol K 5.00 × 10426 pK −426.70
| 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 | −2575.0 | −2435.6 | −463 | – |
per 1 mol of | −858.33 | −811.87 | −154 | – |
per 1 mol of | −429.17 | −405.93 | −77.2 | – |
per 1 mol of | −858.33 | −811.87 | −154 | – |
per 1 mol of | −643.75 | −608.90 | −116 | – |
per 1 mol of | −1287.5 | −1217.8 | −232 | – |
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] | – |
| CsClO4 (cr) | -443.09[1] | -314.26[1] | 175.06[1] | 108.28[1] |
| CsClO4 (ai) | -387.61[1] | -300.54[1] | 315.1[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] | – |
| HClO4 (l) | -40.58[1] | – | – | – |
| HClO4 (ai) | -129.33[1] | -8.52[1] | 182.0[1] | – |
| HClO4 (cr) 1 hydrate | -382.21[1] | – | – | – |
| HClO4 (l) 2 hydrate | -677.98[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution, (l):Liquid
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°, -443.09 kJ · mol−1
- ^ ΔfG°, -314.26 kJ · mol−1
- ^ S°, 175.06 J · K−1 · mol−1
- ^ Cp°, 108.28 J · K−1 · mol−1
- ^ ΔfH°, -387.61 kJ · mol−1
- ^ ΔfG°, -300.54 kJ · mol−1
- ^ S°, 315.1 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
- ^ ΔfH°, -40.58 kJ · mol−1
- ^ ΔfH°, -129.33 kJ · mol−1
- ^ ΔfG°, -8.52 kJ · mol−1
- ^ S°, 182.0 J · K−1 · mol−1
- ^ ΔfH°, -382.21 kJ · mol−1
- ^ ΔfH°, -677.98 kJ · mol−1