Mn(CH3COO)2 + Na2SiO3 💧→ MnSiO3↓ + 2CH3COONa
Last updated:
The reaction of manganese(II) acetate and sodium metasilicate yields manganese(II) metasilicate and sodium acetate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of manganese(II) acetate and sodium metasilicate
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 manganese(II) acetate and sodium metasilicate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Mn(CH3COO)2 | Manganese(II) acetate | 1 | Lewis acid | Very soluble in water |
| Na2SiO3 | Sodium metasilicate | 1 | Lewis base | Soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MnSiO3 | Manganese(II) metasilicate | 1 | Lewis conjugate | Insoluble in water |
| CH3COONa | Sodium acetate | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of manganese(II) acetate and sodium metasilicate
- Mn(CH3COO)2Crystalline solid + Na2SiO3Crystalline solidMnSiO3↓Crystalline solid + 2CH3COONaCrystalline solid💧⟶
| 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 | −35.5 | – | – | – |
per 1 mol of | −35.5 | – | – | – |
per 1 mol of | −35.5 | – | – | – |
per 1 mol of | −35.5 | – | – | – |
per 1 mol of | −17.8 | – | – | – |
Changes in aqueous solution
- Reaction of manganese(II) acetate and sodium metasilicate
- Mn(CH3COO)2Aqueous solution + Na2SiO3Aqueous solutionMnSiO3↓Crystalline solid + 2CH3COONaIonized aqueous solution💧⟶
| 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 | 12.1 | – | – | – |
per 1 mol of | 12.1 | – | – | – |
per 1 mol of | 12.1 | – | – | – |
per 1 mol of | 12.1 | – | – | – |
per 1 mol of | 6.05 | – | – | – |
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 |
|---|---|---|---|---|
| Mn(CH3COO)2 (cr) | -1148.1[1] | – | – | – |
| Mn(CH3COO)2 (aq) | -1199.1[1] | – | – | – |
| Mn(CH3COO)2 (cr) 4 hydrate | -2338.0[1] | – | – | – |
| Na2SiO3 (cr) | -1554.90[1] | -1462.80[1] | 113.85[1] | – |
| Na2SiO3 (vit) | -1540.1[1] | – | – | – |
| Na2SiO3 (aq) | -1586.2[1] | – | – | – |
| Na2SiO3 (cr) 5 hydrate | -3048.5[1] | – | – | – |
| Na2SiO3 (cr) 9 hydrate | -4228.8[1] | – | – | – |
* (cr):Crystalline solid, (aq):Aqueous solution, (vit):Vitreous liquid
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 |
|---|---|---|---|---|
| MnSiO3 (cr) | -1320.9[1] | -1240.5[1] | 89.1[1] | 86.44[1] |
| MnSiO3 (vit) | -1285.3[1] | – | – | – |
| CH3COONa (cr) | -708.81[1] | -607.18[1] | 123.0[1] | 79.9[1] |
| CH3COONa (ai) | -726.13[1] | -631.20[1] | 145.6[1] | 40.2[1] |
| CH3COONa (cr) 3 hydrate | -1603.3[1] | -1328.6[1] | 243[1] | – |
* (cr):Crystalline solid, (vit):Vitreous liquid, (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°, -1148.1 kJ · mol−1
- ^ ΔfH°, -1199.1 kJ · mol−1
- ^ ΔfH°, -2338.0 kJ · mol−1
- ^ ΔfH°, -1554.90 kJ · mol−1
- ^ ΔfG°, -1462.80 kJ · mol−1
- ^ S°, 113.85 J · K−1 · mol−1
- ^ ΔfH°, -1540.1 kJ · mol−1
- ^ ΔfH°, -1586.2 kJ · mol−1
- ^ ΔfH°, -3048.5 kJ · mol−1
- ^ ΔfH°, -4228.8 kJ · mol−1
- ^ ΔfH°, -1320.9 kJ · mol−1
- ^ ΔfG°, -1240.5 kJ · mol−1
- ^ S°, 89.1 J · K−1 · mol−1
- ^ Cp°, 86.44 J · K−1 · mol−1
- ^ ΔfH°, -1285.3 kJ · mol−1
- ^ ΔfH°, -708.81 kJ · mol−1
- ^ ΔfG°, -607.18 kJ · mol−1
- ^ S°, 123.0 J · K−1 · mol−1
- ^ Cp°, 79.9 J · K−1 · mol−1
- ^ ΔfH°, -726.13 kJ · mol−1
- ^ ΔfG°, -631.20 kJ · mol−1
- ^ S°, 145.6 J · K−1 · mol−1
- ^ Cp°, 40.2 J · K−1 · mol−1
- ^ ΔfH°, -1603.3 kJ · mol−1
- ^ ΔfG°, -1328.6 kJ · mol−1
- ^ S°, 243. J · K−1 · mol−1