Be2+ + 2Cl− → BeCl2
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- Reaction of beryllium ion and chloride ion
The reaction of beryllium ion and chloride ion yields beryllium chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of beryllium ion and chloride ion
General equation
- Reaction of cation and anion
- CationLewis acid + AnionLewis base ⟶ ProductLewis conjugate + (H2O)
Oxidation state of each atom
- Reaction of beryllium ion and chloride ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Be2+ | Beryllium ion | 1 | Lewis acid | Cation |
| Cl− | Chloride ion | 2 | Lewis base | Anion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BeCl2 | Beryllium chloride | 1 | Lewis conjugate | – |
Thermodynamic changes
Changes in standard condition
- Reaction of beryllium ion and chloride ion
| 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 | 1.2 | – | – | – |
per 1 mol of Beryllium ion | 1.2 | – | – | – |
per 1 mol of Chloride ion | 0.60 | – | – | – |
per 1 mol of | 1.2 | – | – | – |
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 |
|---|---|---|---|---|
| Be2+ (g) | 2993.23[1] | – | – | – |
| Be2+ (ao) | -382.8[1] | -379.73[1] | -129.7[1] | – |
| Cl− (g) | -233.13[1] | – | – | – |
| Cl− (ao) | -167.159[1] | -131.228[1] | 56.5[1] | -136.4[1] |
* (g):Gas, (ao):Un-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 |
|---|---|---|---|---|
| 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
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°, 2993.23 kJ · mol−1
- ^ ΔfH°, -382.8 kJ · mol−1
- ^ ΔfG°, -379.73 kJ · mol−1
- ^ S°, -129.7 J · K−1 · mol−1
- ^ ΔfH°, -233.13 kJ · mol−1
- ^ ΔfH°, -167.159 kJ · mol−1
- ^ ΔfG°, -131.228 kJ · mol−1
- ^ S°, 56.5 J · K−1 · mol−1
- ^ Cp°, -136.4 J · K−1 · mol−1
- ^ 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