4Cu + AgNO3 → 2Cu2O + Ag + NO↑
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- Reaction of and silver(I) nitrate
The reaction of and silver(I) nitrate yields copper(I) oxide, , and nitrogen monoxide (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 silver(I) nitrate
General equation
- Reaction of oxidizable species and oxidizing species
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and silver(I) nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 4 | Reducing | Oxidizable | ||
| AgNO3 | Silver(I) nitrate | 1 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cu2O | Copper(I) oxide | 2 | Oxidized | – |
| 1 | Reduced | – | ||
| NO | Nitrogen monoxide | 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and silver(I) nitrate◆
ΔrG −172.0 kJ/mol K 1.36 × 1030 pK −30.13
| 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 | −122.6 | −172.0 | 166.07 | −8.31 |
| −30.65 | −43.00 | 41.517 | −2.08 | |
per 1 mol of | −122.6 | −172.0 | 166.07 | −8.31 |
per 1 mol of | −61.30 | −86.00 | 83.035 | −4.16 |
| −122.6 | −172.0 | 166.07 | −8.31 | |
per 1 mol of | −122.6 | −172.0 | 166.07 | −8.31 |
Changes in aqueous solution (1)
- Reaction of and silver(I) nitrate◆
ΔrG −171.3 kJ/mol K 1.02 × 1030 pK −30.01
| 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 | −145.2 | −171.3 | 87.8 | 149.6 |
| −36.30 | −42.83 | 21.9 | 37.40 | |
per 1 mol of | −145.2 | −171.3 | 87.8 | 149.6 |
per 1 mol of | −72.60 | −85.65 | 43.9 | 74.80 |
| −145.2 | −171.3 | 87.8 | 149.6 | |
per 1 mol of | −145.2 | −171.3 | 87.8 | 149.6 |
Changes in aqueous solution (2)
- Reaction of and silver(I) nitrate◆
ΔrG −173.0 kJ/mol K 2.03 × 1030 pK −30.31
| 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 | – | −173.0 | – | – |
| – | −43.25 | – | – | |
per 1 mol of | – | −173.0 | – | – |
per 1 mol of | – | −86.50 | – | – |
| – | −173.0 | – | – | |
per 1 mol of | – | −173.0 | – | – |
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] |
| AgNO3 (cr) | -124.39[1] | -33.41[1] | 140.92[1] | 93.05[1] |
| AgNO3 (ai) | -101.80[1] | -34.16[1] | 219.2[1] | -64.9[1] |
| AgNO3 (ao) | – | -32.49[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 |
|---|---|---|---|---|
| Cu2O (cr) | -168.6[1] | -146.0[1] | 93.14[1] | 63.64[1] |
| (cr) | 0[1] | 0[1] | 42.55[1] | 25.351[1] |
| (g) | 284.55[1] | 245.65[1] | 172.997[1] | 20.786[1] |
| NO (g) | 90.25[1] | 86.55[1] | 210.761[1] | 29.844[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°, -124.39 kJ · mol−1
- ^ ΔfG°, -33.41 kJ · mol−1
- ^ S°, 140.92 J · K−1 · mol−1
- ^ Cp°, 93.05 J · K−1 · mol−1
- ^ ΔfH°, -101.80 kJ · mol−1
- ^ ΔfG°, -34.16 kJ · mol−1
- ^ S°, 219.2 J · K−1 · mol−1
- ^ Cp°, -64.9 J · K−1 · mol−1
- ^ ΔfG°, -32.49 kJ · mol−1
- ^ ΔfH°, -168.6 kJ · mol−1
- ^ ΔfG°, -146.0 kJ · mol−1
- ^ S°, 93.14 J · K−1 · mol−1
- ^ Cp°, 63.64 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 42.55 J · K−1 · mol−1
- ^ Cp°, 25.351 J · K−1 · mol−1
- ^ ΔfH°, 284.55 kJ · mol−1
- ^ ΔfG°, 245.65 kJ · mol−1
- ^ S°, 172.997 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, 90.25 kJ · mol−1
- ^ ΔfG°, 86.55 kJ · mol−1
- ^ S°, 210.761 J · K−1 · mol−1
- ^ Cp°, 29.844 J · K−1 · mol−1