Ca(CH3COO)2 + (NH4)2B4O7 💧→ CaB4O7↓ + 2CH3COONH4
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The reaction of calcium acetate and ammonium tetraborate yields calcium tetraborate and ammonium acetate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of calcium acetate and ammonium tetraborate
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 calcium acetate and ammonium tetraborate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ca(CH3COO)2 | Calcium acetate | 1 | Lewis acid | Very soluble in water |
| (NH4)2B4O7 | Ammonium tetraborate | 1 | Lewis base | Soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CaB4O7 | Calcium tetraborate | 1 | Lewis conjugate | Slightly soluble in water |
| CH3COONH4 | Ammonium acetate | 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 |
|---|---|---|---|---|
| Ca(CH3COO)2 (cr) | -1479.5[1] | – | – | – |
| Ca(CH3COO)2 (ai) | -1514.86[1] | -1292.19[1] | 120.1[1] | – |
| Ca(CH3COO)2 (cr) 1 hydrate | -1772.3[1] | – | – | – |
| (NH4)2B4O7 | – | – | – | – |
* (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 |
|---|---|---|---|---|
| CaB4O7 (cr) | -3360.25[1] | -3167.01[1] | 134.7[1] | 157.95[1] |
| CaB4O7 (vit) | -3307.37[1] | – | – | – |
| CH3COONH4 (cr) | -616.14[1] | – | – | – |
| CH3COONH4 (ai) | -618.52[1] | -448.61[1] | 200.0[1] | 73.6[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°, -1479.5 kJ · mol−1
- ^ ΔfH°, -1514.86 kJ · mol−1
- ^ ΔfG°, -1292.19 kJ · mol−1
- ^ S°, 120.1 J · K−1 · mol−1
- ^ ΔfH°, -1772.3 kJ · mol−1
- ^ ΔfH°, -3360.25 kJ · mol−1
- ^ ΔfG°, -3167.01 kJ · mol−1
- ^ S°, 134.7 J · K−1 · mol−1
- ^ Cp°, 157.95 J · K−1 · mol−1
- ^ ΔfH°, -3307.37 kJ · mol−1
- ^ ΔfH°, -616.14 kJ · mol−1
- ^ ΔfH°, -618.52 kJ · mol−1
- ^ ΔfG°, -448.61 kJ · mol−1
- ^ S°, 200.0 J · K−1 · mol−1
- ^ Cp°, 73.6 J · K−1 · mol−1