5NaCl + 4Cd(NO3)2 🔥→ 5NaClO4 + 4N2↑ + 4CdO
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- Reaction of sodium chloride and cadmium nitrate
The reaction of sodium chloride and cadmium nitrate yields sodium perchlorate, , and cadmium oxide (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 sodium chloride and cadmium nitrate
General equation
- Reaction of hardly oxidizable species and oxidizing species
- Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of sodium chloride and cadmium nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaCl | Sodium chloride | 5 | Reducing | Hardly oxidizable |
| Cd(NO3)2 | Cadmium nitrate | 4 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaClO4 | Sodium perchlorate | 5 | Oxidized | – |
| 4 | Reduced | – | ||
| CdO | Cadmium oxide | 4 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of sodium chloride and cadmium nitrate
| 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 | 931.7 | – | – | – |
per 1 mol of | 186.3 | – | – | – |
per 1 mol of | 232.9 | – | – | – |
per 1 mol of | 186.3 | – | – | – |
| 232.9 | – | – | – | |
per 1 mol of | 232.9 | – | – | – |
Changes in aqueous solution
- Reaction of sodium chloride and cadmium nitrate◆
ΔrG 900.5 kJ/mol K 0.17 × 10−157 pK 157.76
| 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 | 1118.8 | 900.5 | 734.3 | – |
per 1 mol of | 223.76 | 180.1 | 146.9 | – |
per 1 mol of | 279.70 | 225.1 | 183.6 | – |
per 1 mol of | 223.76 | 180.1 | 146.9 | – |
| 279.70 | 225.1 | 183.6 | – | |
per 1 mol of | 279.70 | 225.1 | 183.6 | – |
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 |
|---|---|---|---|---|
| NaCl (cr) | -411.153[1] | -384.138[1] | 72.13[1] | 50.50[1] |
| NaCl (g) | -176.65[1] | -196.66[1] | 229.81[1] | 35.77[1] |
| NaCl (ai) | -407.27[1] | -393.133[1] | 115.5[1] | -90.0[1] |
| Cd(NO3)2 (cr) | -456.31[1] | – | – | – |
| Cd(NO3)2 (ai) | -490.62[1] | -300.11[1] | 219.7[1] | – |
| Cd(NO3)2 (cr) 2 hydrate | -1055.62[1] | – | – | – |
| Cd(NO3)2 (cr) 4 hydrate | -1648.96[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 |
|---|---|---|---|---|
| NaClO4 (cr) | -383.30[1] | -254.85[1] | 142.3[1] | – |
| NaClO4 (ai) | -369.45[1] | -270.41[1] | 241.0[1] | – |
| NaClO4 (cr) 1 hydrate | -677.77[1] | -494.29[1] | 190.8[1] | – |
| (g) | 0[1] | 0[1] | 191.61[1] | 29.125[1] |
| CdO (cr) | -258.2[1] | -228.4[1] | 54.8[1] | 43.43[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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°, -411.153 kJ · mol−1
- ^ ΔfG°, -384.138 kJ · mol−1
- ^ S°, 72.13 J · K−1 · mol−1
- ^ Cp°, 50.50 J · K−1 · mol−1
- ^ ΔfH°, -176.65 kJ · mol−1
- ^ ΔfG°, -196.66 kJ · mol−1
- ^ S°, 229.81 J · K−1 · mol−1
- ^ Cp°, 35.77 J · K−1 · mol−1
- ^ ΔfH°, -407.27 kJ · mol−1
- ^ ΔfG°, -393.133 kJ · mol−1
- ^ S°, 115.5 J · K−1 · mol−1
- ^ Cp°, -90.0 J · K−1 · mol−1
- ^ ΔfH°, -456.31 kJ · mol−1
- ^ ΔfH°, -490.62 kJ · mol−1
- ^ ΔfG°, -300.11 kJ · mol−1
- ^ S°, 219.7 J · K−1 · mol−1
- ^ ΔfH°, -1055.62 kJ · mol−1
- ^ ΔfH°, -1648.96 kJ · mol−1
- ^ ΔfH°, -383.30 kJ · mol−1
- ^ ΔfG°, -254.85 kJ · mol−1
- ^ S°, 142.3 J · K−1 · mol−1
- ^ ΔfH°, -369.45 kJ · mol−1
- ^ ΔfG°, -270.41 kJ · mol−1
- ^ S°, 241.0 J · K−1 · mol−1
- ^ ΔfH°, -677.77 kJ · mol−1
- ^ ΔfG°, -494.29 kJ · mol−1
- ^ S°, 190.8 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 191.61 J · K−1 · mol−1
- ^ Cp°, 29.125 J · K−1 · mol−1
- ^ ΔfH°, -258.2 kJ · mol−1
- ^ ΔfG°, -228.4 kJ · mol−1
- ^ S°, 54.8 J · K−1 · mol−1
- ^ Cp°, 43.43 J · K−1 · mol−1