NH4CN + 4H2O 💧⚡→ N2O↑ + H2CO3 + 5H2↑
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- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
Electrolysis of aqueous ammonium cyanide yields dinitrotgen monoxide, carbonic acid, and (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
General equation
- Electrolysis of aqueous solution with water as oxidizing agent
- Miscible with water/Very soluble in water/Soluble in waterReducing agent + H2OOxidizing agent💧⚡⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NH4CN | Ammonium cyanide | 1 | Reducing | Very soluble in water |
| H2O | Water | 4 | Oxidizing | Water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| N2O | Dinitrotgen monoxide | 1 | Oxidized | – |
| H2CO3 | Carbonic acid | 1 | Oxidized | – |
| 5 | Reduced | – |
Thermodynamic changes
Changes in standard condition (1)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent◆
ΔrG 336.6 kJ/mol K 0.11 × 10−58 pK 58.97
| 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 | 507.7 | 336.6 | 573.5 | – |
per 1 mol of | 507.7 | 336.6 | 573.5 | – |
per 1 mol of | 126.9 | 84.15 | 143.4 | – |
per 1 mol of | 507.7 | 336.6 | 573.5 | – |
per 1 mol of | 507.7 | 336.6 | 573.5 | – |
| 101.5 | 67.32 | 114.7 | – |
Changes in standard condition (2)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent◆
ΔrG 424.6 kJ/mol K 0.41 × 10−74 pK 74.39
| 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 | 486.7 | 424.6 | 2805 | – |
per 1 mol of | 486.7 | 424.6 | 2805 | – |
per 1 mol of | 121.7 | 106.2 | 701.3 | – |
per 1 mol of | 486.7 | 424.6 | 2805 | – |
per 1 mol of | 486.7 | 424.6 | 2805 | – |
| 97.34 | 84.92 | 561.0 | – |
Changes in standard condition (3)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 481.8 | – | – | – |
per 1 mol of | 481.8 | – | – | – |
per 1 mol of | 120.5 | – | – | – |
per 1 mol of | 481.8 | – | – | – |
per 1 mol of | 481.8 | – | – | – |
| 96.36 | – | – | – |
Changes in standard condition (4)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 460.8 | – | – | – |
per 1 mol of | 460.8 | – | – | – |
per 1 mol of | 115.2 | – | – | – |
per 1 mol of | 460.8 | – | – | – |
per 1 mol of | 460.8 | – | – | – |
| 92.16 | – | – | – |
Changes in standard condition (5)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 493.5 | – | – | – |
per 1 mol of | 493.5 | – | – | – |
per 1 mol of | 123.4 | – | – | – |
per 1 mol of | 493.5 | – | – | – |
per 1 mol of | 493.5 | – | – | – |
| 98.70 | – | – | – |
Changes in standard condition (6)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 472.5 | – | – | – |
per 1 mol of | 472.5 | – | – | – |
per 1 mol of | 118.1 | – | – | – |
per 1 mol of | 472.5 | – | – | – |
per 1 mol of | 472.5 | – | – | – |
| 94.50 | – | – | – |
Changes in standard condition (7)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 467.6 | – | – | – |
per 1 mol of | 467.6 | – | – | – |
per 1 mol of | 116.9 | – | – | – |
per 1 mol of | 467.6 | – | – | – |
per 1 mol of | 467.6 | – | – | – |
| 93.52 | – | – | – |
Changes in standard condition (8)
- Electrolysis of aqueous ammonium cyanide with water as oxidizing agent
| 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 | 446.6 | – | – | – |
per 1 mol of | 446.6 | – | – | – |
per 1 mol of | 111.7 | – | – | – |
per 1 mol of | 446.6 | – | – | – |
per 1 mol of | 446.6 | – | – | – |
| 89.32 | – | – | – |
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 |
|---|---|---|---|---|
| NH4CN (cr) | 0.42[1] | – | – | 134[1] |
| NH4CN (ai) | 18.0[1] | 93.0[1] | 207.5[1] | – |
| NH4CN (aq) | 32.2[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] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):Aqueous solution, (l):Liquid, (g):Gas
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 |
|---|---|---|---|---|
| N2O (g) | 82.05[1] | 104.20[1] | 219.85[1] | 38.45[1] |
| N2O (aq) | 56.1[1] | – | – | – |
| H2CO3 (ao) | -699.65[1] | -623.08[1] | 187.4[1] | – |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (g):Gas, (aq):Aqueous solution, (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°, 0.42 kJ · mol−1
- ^ Cp°, 134. J · K−1 · mol−1
- ^ ΔfH°, 18.0 kJ · mol−1
- ^ ΔfG°, 93.0 kJ · mol−1
- ^ S°, 207.5 J · K−1 · mol−1
- ^ ΔfH°, 32.2 kJ · 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
- ^ ΔfH°, 82.05 kJ · mol−1
- ^ ΔfG°, 104.20 kJ · mol−1
- ^ S°, 219.85 J · K−1 · mol−1
- ^ Cp°, 38.45 J · K−1 · mol−1
- ^ ΔfH°, 56.1 kJ · mol−1
- ^ ΔfH°, -699.65 kJ · mol−1
- ^ ΔfG°, -623.08 kJ · mol−1
- ^ S°, 187.4 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