2Cu + Ni(OH)2 🔥→ 2CuO + Ni + H2↑
Last updated:
- Reaction of and nickel(II) hydroxide
The reaction of and nickel(II) hydroxide yields 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) hydroxide
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) hydroxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 2 | Reducing | Oxidizable | ||
| Ni(OH)2 | Nickel(II) hydroxide | 1 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CuO | Copper(II) oxide | 2 | Oxidized | – |
| 1 | Reduced | – | ||
| 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and nickel(II) hydroxide◆
ΔrG 187.8 kJ/mol K 0.13 × 10−32 pK 32.90
| 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 | 215.1 | 187.8 | 92 | – |
| 107.5 | 93.90 | 46 | – | |
per 1 mol of | 215.1 | 187.8 | 92 | – |
per 1 mol of | 107.5 | 93.90 | 46 | – |
| 215.1 | 187.8 | 92 | – | |
| 215.1 | 187.8 | 92 | – |
Changes in aqueous solution (1)
- Reaction of and nickel(II) hydroxide◆
ΔrG 187.8 kJ/mol K 0.13 × 10−32 pK 32.90
| 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 | 215.1 | 187.8 | 92 | – |
| 107.5 | 93.90 | 46 | – | |
per 1 mol of | 215.1 | 187.8 | 92 | – |
per 1 mol of | 107.5 | 93.90 | 46 | – |
| 215.1 | 187.8 | 92 | – | |
| 215.1 | 187.8 | 92 | – |
Changes in aqueous solution (2)
- Reaction of and nickel(II) hydroxide◆
ΔrG 205.4 kJ/mol K 0.10 × 10−35 pK 35.98
| 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 | 210.9 | 205.4 | 538 | – |
| 105.5 | 102.7 | 269 | – | |
per 1 mol of | 210.9 | 205.4 | 538 | – |
per 1 mol of | 105.5 | 102.7 | 269 | – |
| 210.9 | 205.4 | 538 | – | |
| 210.9 | 205.4 | 538 | – |
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] |
| Ni(OH)2 (cr) | -529.7[1] | -447.2[1] | 88[1] | – |
| Ni(OH)2 (ai) | -513.8[1] | -360.2[1] | -150.2[1] | – |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| 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] |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (cr):Crystalline solid, (g):Gas, (ao):Un-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°, 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°, -529.7 kJ · mol−1
- ^ ΔfG°, -447.2 kJ · mol−1
- ^ S°, 88. J · K−1 · mol−1
- ^ ΔfH°, -513.8 kJ · mol−1
- ^ ΔfG°, -360.2 kJ · mol−1
- ^ S°, -150.2 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
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1