NaCl + Mg(NO3)2 🔥→ NaClO3 + 2NO↑ + MgO
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The reaction of sodium chloride and magnesium nitrate yields sodium chlorate, nitrogen monoxide, and magnesium 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 magnesium 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 magnesium nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaCl | Sodium chloride | 1 | Reducing | Hardly oxidizable |
| Mg(NO3)2 | Magnesium nitrate | 1 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaClO3 | Sodium chlorate | 1 | Oxidized | – |
| NO | Nitrogen monoxide | 2 | Reduced | – |
| MgO | Magnesium oxide | 1 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of sodium chloride and magnesium nitrate◆
ΔrG 318.4 kJ/mol K 0.17 × 10−55 pK 55.78
| 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 | 418.55 | 318.4 | 336.7 | – |
per 1 mol of | 418.55 | 318.4 | 336.7 | – |
per 1 mol of | 418.55 | 318.4 | 336.7 | – |
per 1 mol of | 418.55 | 318.4 | 336.7 | – |
per 1 mol of | 209.28 | 159.2 | 168.3 | – |
per 1 mol of | 418.55 | 318.4 | 336.7 | – |
Changes in aqueous solution
- Reaction of sodium chloride and magnesium nitrate◆
ΔrG 407.7 kJ/mol K 0.38 × 10−71 pK 71.43
| 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 | 527.27 | 407.7 | 400.4 | – |
per 1 mol of | 527.27 | 407.7 | 400.4 | – |
per 1 mol of | 527.27 | 407.7 | 400.4 | – |
per 1 mol of | 527.27 | 407.7 | 400.4 | – |
per 1 mol of | 263.63 | 203.8 | 200.2 | – |
per 1 mol of | 527.27 | 407.7 | 400.4 | – |
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] |
| Mg(NO3)2 (cr) | -790.65[1] | -589.4[1] | 164.0[1] | 141.92[1] |
| Mg(NO3)2 (ai) | -881.57[1] | -677.3[1] | 154.8[1] | – |
| Mg(NO3)2 (cr) 2 hydrate | -1409.2[1] | – | – | – |
| Mg(NO3)2 (cr) 6 hydrate | -2613.28[1] | -2080.3[1] | 452[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 |
|---|---|---|---|---|
| NaClO3 (cr) | -365.774[1] | -262.259[1] | 123.4[1] | – |
| NaClO3 (ai) | -344.09[1] | -269.84[1] | 221.3[1] | – |
| NO (g) | 90.25[1] | 86.55[1] | 210.761[1] | 29.844[1] |
| MgO (cr) | -597.98[1] | -565.95[1] | 27.91[1] | 37.66[1] |
| MgO (g) | 17[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°, -790.65 kJ · mol−1
- ^ ΔfG°, -589.4 kJ · mol−1
- ^ S°, 164.0 J · K−1 · mol−1
- ^ Cp°, 141.92 J · K−1 · mol−1
- ^ ΔfH°, -881.57 kJ · mol−1
- ^ ΔfG°, -677.3 kJ · mol−1
- ^ S°, 154.8 J · K−1 · mol−1
- ^ ΔfH°, -1409.2 kJ · mol−1
- ^ ΔfH°, -2613.28 kJ · mol−1
- ^ ΔfG°, -2080.3 kJ · mol−1
- ^ S°, 452. J · K−1 · mol−1
- ^ ΔfH°, -365.774 kJ · mol−1
- ^ ΔfG°, -262.259 kJ · mol−1
- ^ S°, 123.4 J · K−1 · mol−1
- ^ ΔfH°, -344.09 kJ · mol−1
- ^ ΔfG°, -269.84 kJ · mol−1
- ^ S°, 221.3 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
- ^ ΔfH°, -597.98 kJ · mol−1
- ^ ΔfG°, -565.95 kJ · mol−1
- ^ S°, 27.91 J · K−1 · mol−1
- ^ Cp°, 37.66 J · K−1 · mol−1
- ^ ΔfH°, 17. kJ · mol−1