SrBr2 🔥⚡→ Sr + Br2
Last updated:
- Molten salt electrolysis of strontium bromide
Molten salt electrolysis of strontium bromide yields and . This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Molten salt electrolysis of strontium bromide
General equation
- Molten salt electrolysis
- SaltSelf redox agent🔥⚡⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Molten salt electrolysis of strontium bromide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SrBr2 | Strontium bromide | 1 | Self redox agent | Salt |
Products
Thermodynamic changes
Changes in standard condition
- Molten salt electrolysis of strontium bromide◆
ΔrG 697.1 kJ/mol K 0.75 × 10−122 pK 122.13
| 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 | 717.6 | 697.1 | 69.4 | 26.7 |
per 1 mol of | 717.6 | 697.1 | 69.4 | 26.7 |
| 717.6 | 697.1 | 69.4 | 26.7 | |
| 717.6 | 697.1 | 69.4 | 26.7 |
Changes in aqueous solution
- Molten salt electrolysis of strontium bromide◆
ΔrG 771.32 kJ/mol K 0.74 × 10−135 pK 135.13
| 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 | 786.30 | 771.32 | 50.6 | – |
per 1 mol of | 786.30 | 771.32 | 50.6 | – |
| 786.30 | 771.32 | 50.6 | – | |
| 786.30 | 771.32 | 50.6 | – |
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 |
|---|---|---|---|---|
| SrBr2 (cr) | -717.6[1] | -697.1[1] | 135.10[1] | 75.35[1] |
| SrBr2 (g) | -410[1] | -444[1] | 323.5[1] | 60.7[1] |
| SrBr2 (ai) | -788.89[1] | -767.39[1] | 132.2[1] | – |
| SrBr2 (cr) 1 hydrate | -1031.4[1] | -954.3[1] | 180[1] | 120.9[1] |
| SrBr2 (cr) 6 hydrate | -2531.3[1] | -2174.1[1] | 406[1] | 343.5[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 |
|---|---|---|---|---|
| (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] |
| (cr) | – | – | – | – |
| (l) | 0[1] | 0[1] | 152.231[1] | 75.689[1] |
| (g) | 30.907[1] | 3.110[1] | 245.463[1] | 36.02[1] |
| (ao) | -2.59[1] | 3.93[1] | 130.5[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°, -717.6 kJ · mol−1
- ^ ΔfG°, -697.1 kJ · mol−1
- ^ S°, 135.10 J · K−1 · mol−1
- ^ Cp°, 75.35 J · K−1 · mol−1
- ^ ΔfH°, -410. kJ · mol−1
- ^ ΔfG°, -444. kJ · mol−1
- ^ S°, 323.5 J · K−1 · mol−1
- ^ Cp°, 60.7 J · K−1 · mol−1
- ^ ΔfH°, -788.89 kJ · mol−1
- ^ ΔfG°, -767.39 kJ · mol−1
- ^ S°, 132.2 J · K−1 · mol−1
- ^ ΔfH°, -1031.4 kJ · mol−1
- ^ ΔfG°, -954.3 kJ · mol−1
- ^ S°, 180. J · K−1 · mol−1
- ^ Cp°, 120.9 J · K−1 · mol−1
- ^ ΔfH°, -2531.3 kJ · mol−1
- ^ ΔfG°, -2174.1 kJ · mol−1
- ^ S°, 406. J · K−1 · mol−1
- ^ Cp°, 343.5 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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 152.231 J · K−1 · mol−1
- ^ Cp°, 75.689 J · K−1 · mol−1
- ^ ΔfH°, 30.907 kJ · mol−1
- ^ ΔfG°, 3.110 kJ · mol−1
- ^ S°, 245.463 J · K−1 · mol−1
- ^ Cp°, 36.02 J · K−1 · mol−1
- ^ ΔfH°, -2.59 kJ · mol−1
- ^ ΔfG°, 3.93 kJ · mol−1
- ^ S°, 130.5 J · K−1 · mol−1