3Cu + CuSO4 🔥→ 4CuO + S
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- Reaction of and copper(II) sulfate
The reaction of and copper(II) sulfate 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 copper(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 copper(II) sulfate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
3 | Reducing | Oxidizable | ||
CuSO4 | Copper(II) sulfate | 1 | Oxidizing | Reducible |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CuO | Copper(II) oxide | 4 | Oxidized | – |
1 | Reduced | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of and copper(II) sulfate◆
ΔrG 143.0 kJ/mol K 0.89 × 10−25 pK 25.05
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 | 142.2 | 143.0 | −6 | 18.5 |
47.40 | 47.67 | −2 | 6.17 | |
per 1 mol of | 142.2 | 143.0 | −6 | 18.5 |
per 1 mol of | 35.55 | 35.75 | −2 | 4.63 |
142.2 | 143.0 | −6 | 18.5 |
Changes in standard condition (2)
- Reaction of and copper(II) sulfate
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 | 142.5 | – | – | – |
47.50 | – | – | – | |
per 1 mol of | 142.5 | – | – | – |
per 1 mol of | 35.63 | – | – | – |
142.5 | – | – | – |
Changes in aqueous solution (1)
- Reaction of and copper(II) sulfate◆
ΔrG 173.4 kJ/mol K 0.42 × 10−30 pK 30.38
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 | – | 173.4 | – | – |
– | 57.80 | – | – | |
per 1 mol of | – | 173.4 | – | – |
per 1 mol of | – | 43.35 | – | – |
– | 173.4 | – | – |
Changes in aqueous solution (2)
- Reaction of and copper(II) sulfate◆
ΔrG 143.0 kJ/mol K 0.89 × 10−25 pK 25.05
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 | 142.2 | 143.0 | −6 | 18.5 |
47.40 | 47.67 | −2 | 6.17 | |
per 1 mol of | 142.2 | 143.0 | −6 | 18.5 |
per 1 mol of | 35.55 | 35.75 | −2 | 4.63 |
142.2 | 143.0 | −6 | 18.5 |
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] |
CuSO4 (cr) | -771.36[1] | -661.8[1] | 109[1] | 100.0[1] |
CuSO4 (ai) | -844.50[1] | -679.04[1] | -79.5[1] | – |
CuSO4 (ao) | – | -692.18[1] | – | – |
CuSO4 (cr) 1 hydrate | -1085.83[1] | -918.11[1] | 146.0[1] | 134[1] |
CuSO4 (cr) 3 hydrate | -1684.31[1] | -1399.96[1] | 221.3[1] | 205[1] |
CuSO4 (cr) 5 hydrate | -2279.65[1] | -1879.745[1] | 300.4[1] | 280[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 |
---|---|---|---|---|
CuO (cr) | -157.3[1] | -129.7[1] | 42.63[1] | 42.30[1] |
(cr) rhombic | 0[1] | 0[1] | 31.80[1] | 22.64[1] |
(cr) monoclinic | 0.33[1] | – | – | – |
(g) | 278.805[1] | 238.250[1] | 167.821[1] | 23.673[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°, -771.36 kJ · mol−1
- ^ ΔfG°, -661.8 kJ · mol−1
- ^ S°, 109. J · K−1 · mol−1
- ^ Cp°, 100.0 J · K−1 · mol−1
- ^ ΔfH°, -844.50 kJ · mol−1
- ^ ΔfG°, -679.04 kJ · mol−1
- ^ S°, -79.5 J · K−1 · mol−1
- ^ ΔfG°, -692.18 kJ · mol−1
- ^ ΔfH°, -1085.83 kJ · mol−1
- ^ ΔfG°, -918.11 kJ · mol−1
- ^ S°, 146.0 J · K−1 · mol−1
- ^ Cp°, 134. J · K−1 · mol−1
- ^ ΔfH°, -1684.31 kJ · mol−1
- ^ ΔfG°, -1399.96 kJ · mol−1
- ^ S°, 221.3 J · K−1 · mol−1
- ^ Cp°, 205. J · K−1 · mol−1
- ^ ΔfH°, -2279.65 kJ · mol−1
- ^ ΔfG°, -1879.745 kJ · mol−1
- ^ S°, 300.4 J · K−1 · mol−1
- ^ Cp°, 280. 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°, 31.80 J · K−1 · mol−1
- ^ Cp°, 22.64 J · K−1 · mol−1
- ^ ΔfH°, 0.33 kJ · mol−1
- ^ ΔfH°, 278.805 kJ · mol−1
- ^ ΔfG°, 238.250 kJ · mol−1
- ^ S°, 167.821 J · K−1 · mol−1
- ^ Cp°, 23.673 J · K−1 · mol−1