BeCl2 🔥⚡→ Be + Cl2↑
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- Molten salt electrolysis of beryllium chloride
Molten salt electrolysis of beryllium chloride 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 beryllium chloride
General equation
- Molten salt electrolysis
- SaltSelf redox agent🔥⚡⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Molten salt electrolysis of beryllium chloride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BeCl2 | Beryllium chloride | 1 | Self redox agent | Salt |
Products
Thermodynamic changes
Changes in standard condition (1)
- Molten salt electrolysis of beryllium chloride◆
ΔrG 445.6 kJ/mol K 0.86 × 10−78 pK 78.07
| 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 | 490.4 | 445.6 | 149.89 | −14.50 |
per 1 mol of | 490.4 | 445.6 | 149.89 | −14.50 |
| 490.4 | 445.6 | 149.89 | −14.50 | |
| 490.4 | 445.6 | 149.89 | −14.50 |
Changes in standard condition (2)
- Molten salt electrolysis of beryllium chloride◆
ΔrG 448.9 kJ/mol K 0.23 × 10−78 pK 78.64
| 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 | 495.8 | 448.9 | 156.76 | −12.08 |
per 1 mol of | 495.8 | 448.9 | 156.76 | −12.08 |
| 495.8 | 448.9 | 156.76 | −12.08 | |
| 495.8 | 448.9 | 156.76 | −12.08 |
Changes in aqueous solution (1)
- Molten salt electrolysis of beryllium chloride
| 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 | 715.9 | – | – | – |
per 1 mol of | 715.9 | – | – | – |
| 715.9 | – | – | – | |
| 715.9 | – | – | – |
Changes in aqueous solution (2)
- Molten salt electrolysis of beryllium chloride
| 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 | 692.5 | – | – | – |
per 1 mol of | 692.5 | – | – | – |
| 692.5 | – | – | – | |
| 692.5 | – | – | – |
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 |
|---|---|---|---|---|
| BeCl2 (cr) α | -490.4[1] | -445.6[1] | 82.68[1] | 64.85[1] |
| BeCl2 (cr) β | -495.8[1] | -448.9[1] | 75.81[1] | 62.43[1] |
| BeCl2 (g) | -358.6[1] | – | – | – |
| BeCl2 (aq) | -715.9[1] | – | – | – |
| BeCl2 (cr) 4 hydrate | -1808.3[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (aq):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) | 0[1] | 0[1] | 9.50[1] | 16.44[1] |
| (g) | 324.3[1] | 286.6[1] | 136.269[1] | 20.786[1] |
| (g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
| (ao) | -23.4[1] | 6.94[1] | 121[1] | – |
* (cr):Crystalline solid, (g):Gas, (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°, -490.4 kJ · mol−1
- ^ ΔfG°, -445.6 kJ · mol−1
- ^ S°, 82.68 J · K−1 · mol−1
- ^ Cp°, 64.85 J · K−1 · mol−1
- ^ ΔfH°, -495.8 kJ · mol−1
- ^ ΔfG°, -448.9 kJ · mol−1
- ^ S°, 75.81 J · K−1 · mol−1
- ^ Cp°, 62.43 J · K−1 · mol−1
- ^ ΔfH°, -358.6 kJ · mol−1
- ^ ΔfH°, -715.9 kJ · mol−1
- ^ ΔfH°, -1808.3 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 9.50 J · K−1 · mol−1
- ^ Cp°, 16.44 J · K−1 · mol−1
- ^ ΔfH°, 324.3 kJ · mol−1
- ^ ΔfG°, 286.6 kJ · mol−1
- ^ S°, 136.269 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 223.066 J · K−1 · mol−1
- ^ Cp°, 33.907 J · K−1 · mol−1
- ^ ΔfH°, -23.4 kJ · mol−1
- ^ ΔfG°, 6.94 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1