6Cu + 2HgSO4 + 4H+ 🔥→ 2Cu2SO3 + 2Cu+ + Hg22+ + 2H2O
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- Reaction of and mercury(II) sulfate under acidic condition
- 6 + 2HgSO4Mercury(II) sulfate + 4H+Hydrogen ion2Cu2SO3Copper(I) sulfite + 2Cu+Copper(I) ion + Hg22+Dimercury(I) ion + 2H2OWater🔥⟶
The reaction of , mercury(II) sulfate, and hydrogen ion yields copper(I) sulfite, copper(I) ion, dimercury(I) ion, 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 and mercury(II) sulfate under acidic condition
- 6 + 2HgSO4Mercury(II) sulfate + 4H+Hydrogen ion2Cu2SO3Copper(I) sulfite + 2Cu+Copper(I) ion + Hg22+Dimercury(I) ion + 2H2OWater🔥⟶
General equation
- Reaction of oxidizable species and oxidizing species under acidic condition
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of and mercury(II) sulfate under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 6 | Reducing | Oxidizable | ||
| HgSO4 | Mercury(II) sulfate | 2 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 4 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cu2SO3 | Copper(I) sulfite | 2 | Redoxed product | – |
| Cu+ | Copper(I) ion | 2 | Oxidized | – |
| Hg22+ | Dimercury(I) ion | 1 | Reduced | – |
| H2O | Water | 2 | – | Water |
Thermodynamic changes
Changes in aqueous solution
- Reaction of and mercury(II) sulfate under acidic condition◆
ΔrG 182.4 kJ/mol K 0.11 × 10−31 pK 31.96
| 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 | – | 182.4 | – | – |
| – | 30.40 | – | – | |
per 1 mol of | – | 91.20 | – | – |
per 1 mol of Hydrogen ion | – | 45.60 | – | – |
per 1 mol of | – | 91.20 | – | – |
per 1 mol of Copper(I) ion | – | 91.20 | – | – |
per 1 mol of Dimercury(I) ion | – | 182.4 | – | – |
per 1 mol of | – | 91.20 | – | – |
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 |
|---|---|---|---|---|
| (cr) | 0[1] | 0[1] | 33.150[1] | 24.435[1] |
| (g) | 338.32[1] | 298.58[1] | 166.38[1] | 20.786[1] |
| HgSO4 (cr) | -707.5[1] | – | – | – |
| HgSO4 (ao) | – | -588.2[1] | – | – |
| H+ (g) | 1536.202[1] | – | – | – |
| H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (cr):Crystalline solid, (g):Gas, (ao):Un-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 |
|---|---|---|---|---|
| Cu2SO3 (ai) | -492.0[1] | -386.6[1] | 50[1] | – |
| Cu+ (g) | 1089.986[1] | – | – | – |
| Cu+ (ao) | 71.67[1] | 49.98[1] | 40.6[1] | – |
| Hg22+ (ao) | 172.4[1] | 153.52[1] | 84.5[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] |
* (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 33.150 J · K−1 · mol−1
- ^ Cp°, 24.435 J · K−1 · mol−1
- ^ ΔfH°, 338.32 kJ · mol−1
- ^ ΔfG°, 298.58 kJ · mol−1
- ^ S°, 166.38 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -707.5 kJ · mol−1
- ^ ΔfG°, -588.2 kJ · mol−1
- ^ ΔfH°, 1536.202 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 0 J · K−1 · mol−1
- ^ Cp°, 0 J · K−1 · mol−1
- ^ ΔfH°, -492.0 kJ · mol−1
- ^ ΔfG°, -386.6 kJ · mol−1
- ^ S°, 50. J · K−1 · mol−1
- ^ ΔfH°, 1089.986 kJ · mol−1
- ^ ΔfH°, 71.67 kJ · mol−1
- ^ ΔfG°, 49.98 kJ · mol−1
- ^ S°, 40.6 J · K−1 · mol−1
- ^ ΔfH°, 172.4 kJ · mol−1
- ^ ΔfG°, 153.52 kJ · mol−1
- ^ S°, 84.5 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