BaI2 + Mg(HCO3)2 💧→ BaCO3↓ + MgI2 + H2CO3
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The reaction of barium iodide and magnesium hydrogencarbonate yields barium carbonate, magnesium iodide, and carbonic acid. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium iodide and magnesium hydrogencarbonate
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base💧⟶ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of barium iodide and magnesium hydrogencarbonate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaI2 | Barium iodide | 1 | Lewis acid | Very soluble in water |
| Mg(HCO3)2 | Magnesium hydrogencarbonate | 1 | Lewis base | Soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaCO3 | Barium carbonate | 1 | Lewis conjugate | Insoluble in water |
| MgI2 | Magnesium iodide | 1 | Non-redox product | – |
| H2CO3 | Carbonic acid | 1 | Non-redox product | – |
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 |
|---|---|---|---|---|
| BaI2 (cr) | -602.1[1] | – | – | – |
| BaI2 (g) | -326[1] | -377[1] | 343[1] | 61.5[1] |
| BaI2 (ai) | -648.02[1] | -663.92[1] | 232.2[1] | – |
| BaI2 (cr) 1 hydrate | -919.2[1] | – | – | – |
| BaI2 (cr) 2 hydrate | -1216.7[1] | – | – | – |
| BaI2 (cr) 2.5 hydrate | -1363.6[1] | – | – | – |
| BaI2 (cr) 7 hydrate | -2676.5[1] | – | – | – |
| Mg(HCO3)2 | – | – | – | – |
* (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 |
|---|---|---|---|---|
| BaCO3 (cr) | -1216.3[1] | -1137.6[1] | 112.1[1] | 85.35[1] |
| BaCO3 (ai) | -1214.78[1] | -1088.59[1] | -47.3[1] | – |
| MgI2 (cr) | -364.0[1] | -358.2[1] | 129.7[1] | – |
| MgI2 (g) | -172[1] | – | – | – |
| MgI2 (ai) | -577.22[1] | -558.1[1] | 84.5[1] | – |
| H2CO3 (ao) | -699.65[1] | -623.08[1] | 187.4[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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°, -602.1 kJ · mol−1
- ^ ΔfH°, -326. kJ · mol−1
- ^ ΔfG°, -377. kJ · mol−1
- ^ S°, 343. J · K−1 · mol−1
- ^ Cp°, 61.5 J · K−1 · mol−1
- ^ ΔfH°, -648.02 kJ · mol−1
- ^ ΔfG°, -663.92 kJ · mol−1
- ^ S°, 232.2 J · K−1 · mol−1
- ^ ΔfH°, -919.2 kJ · mol−1
- ^ ΔfH°, -1216.7 kJ · mol−1
- ^ ΔfH°, -1363.6 kJ · mol−1
- ^ ΔfH°, -2676.5 kJ · mol−1
- ^ ΔfH°, -1216.3 kJ · mol−1
- ^ ΔfG°, -1137.6 kJ · mol−1
- ^ S°, 112.1 J · K−1 · mol−1
- ^ Cp°, 85.35 J · K−1 · mol−1
- ^ ΔfH°, -1214.78 kJ · mol−1
- ^ ΔfG°, -1088.59 kJ · mol−1
- ^ S°, -47.3 J · K−1 · mol−1
- ^ ΔfH°, -364.0 kJ · mol−1
- ^ ΔfG°, -358.2 kJ · mol−1
- ^ S°, 129.7 J · K−1 · mol−1
- ^ ΔfH°, -172. kJ · mol−1
- ^ ΔfH°, -577.22 kJ · mol−1
- ^ ΔfG°, -558.1 kJ · mol−1
- ^ S°, 84.5 J · K−1 · mol−1
- ^ ΔfH°, -699.65 kJ · mol−1
- ^ ΔfG°, -623.08 kJ · mol−1
- ^ S°, 187.4 J · K−1 · mol−1