5Cu + NiSO4 🔥→ CuS + 4CuO + Ni
Last updated:
- Reaction of and nickel(II) sulfate
The reaction of and nickel(II) sulfate yields copper(II) sulfide, copper(II) oxide, and (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 nickel(II) sulfate
General equation
- Reaction of oxidizable species and reducible species
- Oxidizable speciesReducing agent + Reducible speciesOxidizing agent🔥⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and nickel(II) sulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 5 | Reducing | Oxidizable | ||
| NiSO4 | Nickel(II) sulfate | 1 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CuS | Copper(II) sulfide | 1 | Redoxed product | – |
| CuO | Copper(II) oxide | 4 | Oxidized | – |
| 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and nickel(II) sulfate◆
ΔrG 187.3 kJ/mol K 0.15 × 10−32 pK 32.81
| 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 | 190.6 | 187.3 | 9 | −17 |
| 38.12 | 37.46 | 2 | −3.4 | |
per 1 mol of | 190.6 | 187.3 | 9 | −17 |
per 1 mol of | 190.6 | 187.3 | 9 | −17 |
per 1 mol of | 47.65 | 46.83 | 2 | −4.3 |
| 190.6 | 187.3 | 9 | −17 |
Changes in aqueous solution (1)
- Reaction of and nickel(II) sulfate◆
ΔrG 217.9 kJ/mol K 0.67 × 10−38 pK 38.17
| 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 | 280.9 | 217.9 | 209.9 | – |
| 56.18 | 43.58 | 41.98 | – | |
per 1 mol of | 280.9 | 217.9 | 209.9 | – |
per 1 mol of | 280.9 | 217.9 | 209.9 | – |
per 1 mol of | 70.22 | 54.48 | 52.48 | – |
| 280.9 | 217.9 | 209.9 | – |
Changes in aqueous solution (2)
- Reaction of and nickel(II) sulfate◆
ΔrG 230.9 kJ/mol K 0.35 × 10−40 pK 40.45
| 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 | 267.0 | 230.9 | 119.1 | – |
| 53.40 | 46.18 | 23.82 | – | |
per 1 mol of | 267.0 | 230.9 | 119.1 | – |
per 1 mol of | 267.0 | 230.9 | 119.1 | – |
per 1 mol of | 66.75 | 57.73 | 29.77 | – |
| 267.0 | 230.9 | 119.1 | – |
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] |
| NiSO4 (cr) | -872.91[1] | -759.7[1] | 92[1] | 138[1] |
| NiSO4 (ai) | -963.2[1] | -790.3[1] | -108.8[1] | – |
| NiSO4 (ao) | -949.3[1] | -803.3[1] | -18.0[1] | – |
| NiSO4 (cr) 4 hydrate | -2104.1[1] | – | – | – |
| NiSO4 (cr) 6 hydrate α, tetragonal, green | -2682.82[1] | -2224.61[1] | 334.47[1] | 327.86[1] |
| NiSO4 (cr) 6 hydrate β, monoclinic, blue | -2672.3[1] | – | – | – |
| NiSO4 (cr) 7 hydrate | -2976.33[1] | -2461.83[1] | 378.94[1] | 364.59[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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 |
|---|---|---|---|---|
| CuS (cr) | -53.1[1] | -53.6[1] | 66.5[1] | 47.82[1] |
| CuO (cr) | -157.3[1] | -129.7[1] | 42.63[1] | 42.30[1] |
| (cr) | 0[1] | 0[1] | 29.87[1] | 26.07[1] |
| (g) | 429.7[1] | 384.5[1] | 182.193[1] | 23.359[1] |
* (cr):Crystalline solid, (g):Gas
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°, -872.91 kJ · mol−1
- ^ ΔfG°, -759.7 kJ · mol−1
- ^ S°, 92. J · K−1 · mol−1
- ^ Cp°, 138. J · K−1 · mol−1
- ^ ΔfH°, -963.2 kJ · mol−1
- ^ ΔfG°, -790.3 kJ · mol−1
- ^ S°, -108.8 J · K−1 · mol−1
- ^ ΔfH°, -949.3 kJ · mol−1
- ^ ΔfG°, -803.3 kJ · mol−1
- ^ S°, -18.0 J · K−1 · mol−1
- ^ ΔfH°, -2104.1 kJ · mol−1
- ^ ΔfH°, -2682.82 kJ · mol−1
- ^ ΔfG°, -2224.61 kJ · mol−1
- ^ S°, 334.47 J · K−1 · mol−1
- ^ Cp°, 327.86 J · K−1 · mol−1
- ^ ΔfH°, -2672.3 kJ · mol−1
- ^ ΔfH°, -2976.33 kJ · mol−1
- ^ ΔfG°, -2461.83 kJ · mol−1
- ^ S°, 378.94 J · K−1 · mol−1
- ^ Cp°, 364.59 J · K−1 · mol−1
- ^ ΔfH°, -53.1 kJ · mol−1
- ^ ΔfG°, -53.6 kJ · mol−1
- ^ S°, 66.5 J · K−1 · mol−1
- ^ Cp°, 47.82 J · K−1 · mol−1
- ^ ΔfH°, -157.3 kJ · mol−1
- ^ ΔfG°, -129.7 kJ · mol−1
- ^ S°, 42.63 J · K−1 · mol−1
- ^ Cp°, 42.30 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 29.87 J · K−1 · mol−1
- ^ Cp°, 26.07 J · K−1 · mol−1
- ^ ΔfH°, 429.7 kJ · mol−1
- ^ ΔfG°, 384.5 kJ · mol−1
- ^ S°, 182.193 J · K−1 · mol−1
- ^ Cp°, 23.359 J · K−1 · mol−1