H2S + CsClO4 → SO3 + CsCl + H2O
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The reaction of hydrogen sulfide and caesium perchlorate yields sulfur trioxide, 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 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 | 1 | Reducing | Reducing |
| CsClO4 | Caesium perchlorate | 1 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SO3 | Sulfur trioxide | 1 | Oxidized | – |
| CsCl | Caesium chloride | 1 | Reduced | – |
| H2O | Water | 1 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of hydrogen sulfide and caesium perchlorate◆
ΔrG −677.59 kJ/mol K 5.11 × 10118 pK −118.71
| 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 | −706.19 | −677.59 | −96.0 | – |
per 1 mol of | −706.19 | −677.59 | −96.0 | – |
per 1 mol of | −706.19 | −677.59 | −96.0 | – |
per 1 mol of | −706.19 | −677.59 | −96.0 | – |
per 1 mol of | −706.19 | −677.59 | −96.0 | – |
per 1 mol of | −706.19 | −677.59 | −96.0 | – |
Changes in aqueous solution
- Reaction of hydrogen sulfide and caesium perchlorate◆
ΔrG −706.21 kJ/mol K 5.28 × 10123 pK −123.72
| 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 | −738.5 | −706.21 | −106 | – |
per 1 mol of | −738.5 | −706.21 | −106 | – |
per 1 mol of | −738.5 | −706.21 | −106 | – |
per 1 mol of | −738.5 | −706.21 | −106 | – |
per 1 mol of | −738.5 | −706.21 | −106 | – |
per 1 mol of | −738.5 | −706.21 | −106 | – |
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 |
|---|---|---|---|---|
| SO3 (cr) β | -454.51[1] | -374.21[1] | 70.7[1] | – |
| SO3 (l) | -441.04[1] | -373.75[1] | 113.8[1] | – |
| SO3 (g) | -395.72[1] | -371.06[1] | 256.76[1] | 50.67[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] |
* (cr):Crystalline solid, (l):Liquid, (g):Gas, (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°, -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°, -454.51 kJ · mol−1
- ^ ΔfG°, -374.21 kJ · mol−1
- ^ S°, 70.7 J · K−1 · mol−1
- ^ ΔfH°, -441.04 kJ · mol−1
- ^ ΔfG°, -373.75 kJ · mol−1
- ^ S°, 113.8 J · K−1 · mol−1
- ^ ΔfH°, -395.72 kJ · mol−1
- ^ ΔfG°, -371.06 kJ · mol−1
- ^ S°, 256.76 J · K−1 · mol−1
- ^ Cp°, 50.67 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