Ca(HCO3)2 → CaHCO3+ + H+ + CO32−
Last updated:
- Electrolytic dissociation of calcium hydrogencarbonate
- Ca(HCO3)2Calcium hydrogencarbonateCaHCO3+Calcium hydrogencarbonate ion + H+Hydrogen ion + CO32−Carbonate ion⟶
Electrolytic dissociation of calcium hydrogencarbonate yields calcium hydrogencarbonate ion, hydrogen ion, and carbonate ion (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolytic dissociation of calcium hydrogencarbonate
- Ca(HCO3)2Calcium hydrogencarbonateCaHCO3+Calcium hydrogencarbonate ion + H+Hydrogen ion + CO32−Carbonate ion⟶
General equation
- Electrolytic dissociation of salt
- SaltLewis conjugate ⟶ CationLewis acid + AnionLewis base
Oxidation state of each atom
- Electrolytic dissociation of calcium hydrogencarbonate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ca(HCO3)2 | Calcium hydrogencarbonate | 1 | Lewis conjugate | Salt |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CaHCO3+ | Calcium hydrogencarbonate ion | 1 | Lewis acid | Cation |
| H+ | Hydrogen ion | 1 | Lewis acid | Cation |
| CO32− | Carbonate ion | 1 | Lewis base | Anion |
Thermodynamic changes
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 |
|---|---|---|---|---|
| Ca(HCO3)2 | – | – | – | – |
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 |
|---|---|---|---|---|
| CaHCO3+ | – | – | – | – |
| H+ (g) | 1536.202[1] | – | – | – |
| H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
| CO32− (ao) | -677.14[1] | -527.81[1] | -56.9[1] | – |
* (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)