Ba(CH3COO)2 + (NH4)2CrO4 💧→ BaCrO4↓ + 2CH3COONH4
Last updated:
The reaction of barium acetate and ammonium chromate yields barium chromate and ammonium acetate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium acetate and ammonium chromate
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 acetate and ammonium chromate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(CH3COO)2 | Barium acetate | 1 | Lewis acid | Very soluble in water |
| (NH4)2CrO4 | Ammonium chromate | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaCrO4 | Barium chromate | 1 | Lewis conjugate | Insoluble in water |
| CH3COONH4 | Ammonium acetate | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of barium acetate and ammonium chromate
- Ba(CH3COO)2Crystalline solid + (NH4)2CrO4Crystalline solidBaCrO4↓Crystalline solid + 2CH3COONH4Crystalline 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 | −26.5 | – | – | – |
per 1 mol of | −26.5 | – | – | – |
per 1 mol of | −26.5 | – | – | – |
per 1 mol of | −26.5 | – | – | – |
per 1 mol of | −13.3 | – | – | – |
Changes in aqueous solution
- Reaction of barium acetate and ammonium chromate◆
ΔrG −56.69 kJ/mol K 8.54 × 109 pK −9.93 - Ba(CH3COO)2Ionized aqueous solution + (NH4)2CrO4Ionized aqueous solutionBaCrO4↓Crystalline solid + 2CH3COONH4Ionized 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 | −27.2 | −56.69 | 98.8 | – |
per 1 mol of | −27.2 | −56.69 | 98.8 | – |
per 1 mol of | −27.2 | −56.69 | 98.8 | – |
per 1 mol of | −27.2 | −56.69 | 98.8 | – |
per 1 mol of | −13.6 | −28.34 | 49.4 | – |
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 |
|---|---|---|---|---|
| Ba(CH3COO)2 (cr) | -1484.5[1] | – | – | – |
| Ba(CH3COO)2 (ai) | -1509.67[1] | -1299.39[1] | 182.8[1] | – |
| Ba(CH3COO)2 (cr) 3 hydrate | -2369.0[1] | – | – | – |
| (NH4)2CrO4 (cr) | -1167.3[1] | – | – | – |
| (NH4)2CrO4 (ai) | -1146.16[1] | -886.36[1] | 277.0[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 |
|---|---|---|---|---|
| BaCrO4 (cr) | -1446.0[1] | -1345.22[1] | 158.6[1] | – |
| CH3COONH4 (cr) | -616.14[1] | – | – | – |
| CH3COONH4 (ai) | -618.52[1] | -448.61[1] | 200.0[1] | 73.6[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°, -1484.5 kJ · mol−1
- ^ ΔfH°, -1509.67 kJ · mol−1
- ^ ΔfG°, -1299.39 kJ · mol−1
- ^ S°, 182.8 J · K−1 · mol−1
- ^ ΔfH°, -2369.0 kJ · mol−1
- ^ ΔfH°, -1167.3 kJ · mol−1
- ^ ΔfH°, -1146.16 kJ · mol−1
- ^ ΔfG°, -886.36 kJ · mol−1
- ^ S°, 277.0 J · K−1 · mol−1
- ^ ΔfH°, -1446.0 kJ · mol−1
- ^ ΔfG°, -1345.22 kJ · mol−1
- ^ S°, 158.6 J · K−1 · 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