3Sr(NO3)2 🔥⚡→ 3Sr + 3N2O4 + 2O3↑
Last updated:
- Molten salt electrolysis of strontium nitrate
Molten salt electrolysis of strontium nitrate yields , dinitrogen tetraoxide, and (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Molten salt electrolysis of strontium nitrate
General equation
- Molten salt electrolysis
- SaltSelf redox agent🔥⚡⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Molten salt electrolysis of strontium nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr(NO3)2 | Strontium nitrate | 3 | Self redox agent | Salt |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 3 | Reduced | – | ||
| N2O4 | Dinitrogen tetraoxide | 3 | Reduced | – |
| 2 | Oxidized | – |
Thermodynamic changes
Changes in standard condition
- Molten salt electrolysis of strontium nitrate◆
ΔrG 2959.1 kJ/mol K 0.39 × 10−518 pK 518.41
| 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 | 3161.6 | 2959.1 | 678.7 | 136.0 |
per 1 mol of | 1053.9 | 986.37 | 226.2 | 45.33 |
| 1053.9 | 986.37 | 226.2 | 45.33 | |
per 1 mol of | 1053.9 | 986.37 | 226.2 | 45.33 |
| 1580.8 | 1479.5 | 339.4 | 68.00 |
Changes in aqueous solution (1)
- Molten salt electrolysis of strontium nitrate◆
ΔrG 2965.0 kJ/mol K 0.36 × 10−519 pK 519.45
| 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 | 3108.5 | 2965.0 | 481.8 | – |
per 1 mol of | 1036.2 | 988.33 | 160.6 | – |
| 1036.2 | 988.33 | 160.6 | – | |
per 1 mol of | 1036.2 | 988.33 | 160.6 | – |
| 1554.3 | 1482.5 | 240.9 | – |
Changes in aqueous solution (2)
- Molten salt electrolysis of strontium nitrate◆
ΔrG 2986.8 kJ/mol K 0.54 × 10−523 pK 523.26
| 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 | 3074.9 | 2986.8 | 296 | – |
per 1 mol of | 1025.0 | 995.60 | 98.7 | – |
| 1025.0 | 995.60 | 98.7 | – | |
per 1 mol of | 1025.0 | 995.60 | 98.7 | – |
| 1537.5 | 1493.4 | 148 | – |
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 |
|---|---|---|---|---|
| Sr(NO3)2 (cr) | -978.22[1] | -780.02[1] | 194.56[1] | 149.91[1] |
| Sr(NO3)2 (ai) | -960.52[1] | -781.98[1] | 260.2[1] | – |
| Sr(NO3)2 (cr) 4 hydrate | -2154.8[1] | -1730.39[1] | 369.0[1] | – |
* (cr):Crystalline solid, (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 |
|---|---|---|---|---|
| (cr) α | 0[1] | 0[1] | 52.3[1] | 26.4[1] |
| (g) | 164.4[1] | 130.9[1] | 164.62[1] | 20.786[1] |
| N2O4 (l) | -19.50[1] | 97.54[1] | 209.2[1] | 142.7[1] |
| N2O4 (g) | 9.16[1] | 97.89[1] | 304.29[1] | 77.28[1] |
| (g) | 142.7[1] | 163.2[1] | 238.93[1] | 39.20[1] |
| (ao) | 125.9[1] | 174.1[1] | 146[1] | – |
* (cr):Crystalline solid, (g):Gas, (l):Liquid, (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°, -978.22 kJ · mol−1
- ^ ΔfG°, -780.02 kJ · mol−1
- ^ S°, 194.56 J · K−1 · mol−1
- ^ Cp°, 149.91 J · K−1 · mol−1
- ^ ΔfH°, -960.52 kJ · mol−1
- ^ ΔfG°, -781.98 kJ · mol−1
- ^ S°, 260.2 J · K−1 · mol−1
- ^ ΔfH°, -2154.8 kJ · mol−1
- ^ ΔfG°, -1730.39 kJ · mol−1
- ^ S°, 369.0 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 52.3 J · K−1 · mol−1
- ^ Cp°, 26.4 J · K−1 · mol−1
- ^ ΔfH°, 164.4 kJ · mol−1
- ^ ΔfG°, 130.9 kJ · mol−1
- ^ S°, 164.62 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -19.50 kJ · mol−1
- ^ ΔfG°, 97.54 kJ · mol−1
- ^ S°, 209.2 J · K−1 · mol−1
- ^ Cp°, 142.7 J · K−1 · mol−1
- ^ ΔfH°, 9.16 kJ · mol−1
- ^ ΔfG°, 97.89 kJ · mol−1
- ^ S°, 304.29 J · K−1 · mol−1
- ^ Cp°, 77.28 J · K−1 · mol−1
- ^ ΔfH°, 142.7 kJ · mol−1
- ^ ΔfG°, 163.2 kJ · mol−1
- ^ S°, 238.93 J · K−1 · mol−1
- ^ Cp°, 39.20 J · K−1 · mol−1
- ^ ΔfH°, 125.9 kJ · mol−1
- ^ ΔfG°, 174.1 kJ · mol−1
- ^ S°, 146. J · K−1 · mol−1