2AgF + (NH4)2SO4 💧→ Ag2SO4↓ + 2NH4F
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The reaction of silver(I) fluoride and ammonium sulfate yields silver(I) sulfate and ammonium fluoride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of silver(I) fluoride and ammonium sulfate
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 silver(I) fluoride and ammonium sulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| AgF | Silver(I) fluoride | 2 | Lewis acid | Very soluble in water |
| (NH4)2SO4 | Ammonium sulfate | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ag2SO4 | Silver(I) sulfate | 1 | Lewis conjugate | Slightly soluble in water |
| NH4F | Ammonium fluoride | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of silver(I) fluoride and ammonium sulfate
| 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 | −53.8 | – | – | – |
per 1 mol of | −26.9 | – | – | – |
per 1 mol of | −53.8 | – | – | – |
per 1 mol of | −53.8 | – | – | – |
per 1 mol of | −26.9 | – | – | – |
Changes in aqueous solution (1)
- Reaction of silver(I) fluoride and ammonium sulfate◆
ΔrG 0.04 kJ/mol K 0.98 × 100 pK 0.01
| 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 | 0.04 | 0.04 | 0.0 | −2 |
per 1 mol of | 0.0200 | 0.0200 | 0.0 | −1 |
per 1 mol of | 0.0400 | 0.0400 | 0.0 | −2 |
per 1 mol of | 0.0400 | 0.0400 | 0.0 | −2 |
per 1 mol of | 0.0200 | 0.0200 | 0.0 | −1 |
Changes in aqueous solution (2)
- Reaction of silver(I) fluoride and ammonium sulfate◆
ΔrG 4.1 kJ/mol K 0.19 × 100 pK 0.72
| 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 | 23.7 | 4.1 | 66.2 | – |
per 1 mol of | 11.8 | 2.0 | 33.1 | – |
per 1 mol of | 23.7 | 4.1 | 66.2 | – |
per 1 mol of | 23.7 | 4.1 | 66.2 | – |
per 1 mol of | 11.8 | 2.0 | 33.1 | – |
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 |
|---|---|---|---|---|
| AgF (cr) | -204.6[1] | – | – | – |
| AgF (ai) | -227.07[1] | -201.69[1] | 59.0[1] | -84.9[1] |
| AgF (ao) | -238.9[1] | -203.7[1] | 25.9[1] | – |
| AgF (cr) 2 hydrate | -800.8[1] | -671.0[1] | 174.9[1] | 130[1] |
| AgF (cr) 4 hydrate | -1388.3[1] | -1147.0[1] | 268[1] | 209[1] |
| (NH4)2SO4 (cr) | -1180.85[1] | -901.67[1] | 220.1[1] | 187.49[1] |
| (NH4)2SO4 (ai) | -1174.28[1] | -903.14[1] | 246.9[1] | -133.1[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-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 |
|---|---|---|---|---|
| Ag2SO4 (cr) | -715.88[1] | -618.41[1] | 200.4[1] | 131.38[1] |
| Ag2SO4 (ai) | -698.10[1] | -590.30[1] | 165.7[1] | -251[1] |
| NH4F (cr) | -463.96[1] | -348.68[1] | 71.96[1] | 65.27[1] |
| NH4F (ai) | -465.14[1] | -358.09[1] | 99.6[1] | -26.8[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°, -204.6 kJ · mol−1
- ^ ΔfH°, -227.07 kJ · mol−1
- ^ ΔfG°, -201.69 kJ · mol−1
- ^ S°, 59.0 J · K−1 · mol−1
- ^ Cp°, -84.9 J · K−1 · mol−1
- ^ ΔfH°, -238.9 kJ · mol−1
- ^ ΔfG°, -203.7 kJ · mol−1
- ^ S°, 25.9 J · K−1 · mol−1
- ^ ΔfH°, -800.8 kJ · mol−1
- ^ ΔfG°, -671.0 kJ · mol−1
- ^ S°, 174.9 J · K−1 · mol−1
- ^ Cp°, 130. J · K−1 · mol−1
- ^ ΔfH°, -1388.3 kJ · mol−1
- ^ ΔfG°, -1147.0 kJ · mol−1
- ^ S°, 268. J · K−1 · mol−1
- ^ Cp°, 209. J · K−1 · mol−1
- ^ ΔfH°, -1180.85 kJ · mol−1
- ^ ΔfG°, -901.67 kJ · mol−1
- ^ S°, 220.1 J · K−1 · mol−1
- ^ Cp°, 187.49 J · K−1 · mol−1
- ^ ΔfH°, -1174.28 kJ · mol−1
- ^ ΔfG°, -903.14 kJ · mol−1
- ^ S°, 246.9 J · K−1 · mol−1
- ^ Cp°, -133.1 J · K−1 · mol−1
- ^ ΔfH°, -715.88 kJ · mol−1
- ^ ΔfG°, -618.41 kJ · mol−1
- ^ S°, 200.4 J · K−1 · mol−1
- ^ Cp°, 131.38 J · K−1 · mol−1
- ^ ΔfH°, -698.10 kJ · mol−1
- ^ ΔfG°, -590.30 kJ · mol−1
- ^ S°, 165.7 J · K−1 · mol−1
- ^ Cp°, -251. J · K−1 · mol−1
- ^ ΔfH°, -463.96 kJ · mol−1
- ^ ΔfG°, -348.68 kJ · mol−1
- ^ S°, 71.96 J · K−1 · mol−1
- ^ Cp°, 65.27 J · K−1 · mol−1
- ^ ΔfH°, -465.14 kJ · mol−1
- ^ ΔfG°, -358.09 kJ · mol−1
- ^ S°, 99.6 J · K−1 · mol−1
- ^ Cp°, -26.8 J · K−1 · mol−1