Mg(NO2)2 + Li2CO3 💧→ MgCO3↓ + 2LiNO2
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The reaction of magnesium nitrite and lithium carbonate yields magnesium carbonate and lithium nitrite. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of magnesium nitrite and lithium carbonate
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 magnesium nitrite and lithium carbonate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Mg(NO2)2 | Magnesium nitrite | 1 | Lewis acid | Soluble in water |
| Li2CO3 | Lithium carbonate | 1 | Lewis base | Soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MgCO3 | Magnesium carbonate | 1 | Lewis conjugate | Very slightly soluble in water |
| LiNO2 | Lithium nitrite | 2 | 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 |
|---|---|---|---|---|
| Mg(NO2)2 | – | – | – | – |
| Li2CO3 (cr) | -1215.9[1] | -1132.06[1] | 90.37[1] | 99.12[1] |
| Li2CO3 (ai) | -1234.11[1] | -1114.6[1] | -29.7[1] | – |
* (cr):Crystalline solid, (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 |
|---|---|---|---|---|
| MgCO3 (cr) | -1095.8[1] | -1012.1[1] | 65.7[1] | 75.52[1] |
| MgCO3 (cr) 3 hydrate | – | -1726.1[1] | – | – |
| MgCO3 (cr) 5 hydrate | – | -2199.2[1] | – | – |
| LiNO2 (cr) | -372.4[1] | -302.0[1] | 96[1] | – |
| LiNO2 (ai) | -383.09[1] | -325.5[1] | 136.8[1] | -28.9[1] |
| LiNO2 (cr) 0.5 hydrate | – | -423.3[1] | – | – |
| LiNO2 (cr) 1 hydrate | -676.1[1] | -544.2[1] | 121[1] | – |
* (cr):Crystalline solid, (ai):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°, -1215.9 kJ · mol−1
- ^ ΔfG°, -1132.06 kJ · mol−1
- ^ S°, 90.37 J · K−1 · mol−1
- ^ Cp°, 99.12 J · K−1 · mol−1
- ^ ΔfH°, -1234.11 kJ · mol−1
- ^ ΔfG°, -1114.6 kJ · mol−1
- ^ S°, -29.7 J · K−1 · mol−1
- ^ ΔfH°, -1095.8 kJ · mol−1
- ^ ΔfG°, -1012.1 kJ · mol−1
- ^ S°, 65.7 J · K−1 · mol−1
- ^ Cp°, 75.52 J · K−1 · mol−1
- ^ ΔfG°, -1726.1 kJ · mol−1
- ^ ΔfG°, -2199.2 kJ · mol−1
- ^ ΔfH°, -372.4 kJ · mol−1
- ^ ΔfG°, -302.0 kJ · mol−1
- ^ S°, 96. J · K−1 · mol−1
- ^ ΔfH°, -383.09 kJ · mol−1
- ^ ΔfG°, -325.5 kJ · mol−1
- ^ S°, 136.8 J · K−1 · mol−1
- ^ Cp°, -28.9 J · K−1 · mol−1
- ^ ΔfG°, -423.3 kJ · mol−1
- ^ ΔfH°, -676.1 kJ · mol−1
- ^ ΔfG°, -544.2 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1