3Sr(NO3)2 + Fe2(SO4)3 💧→ 3SrSO4↓ + 2Fe(NO3)3
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The reaction of strontium nitrate and iron(III) sulfate yields strontium sulfate and iron(III) nitrate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of strontium nitrate and iron(III) 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 strontium nitrate and iron(III) sulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr(NO3)2 | Strontium nitrate | 3 | Lewis acid | Very soluble in water |
| Fe2(SO4)3 | Iron(III) sulfate | 1 | Lewis base | Soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SrSO4 | Strontium sulfate | 3 | Lewis conjugate | Very slightly soluble in water |
| Fe(NO3)3 | Iron(III) nitrate | 2 | Non-redox product | – |
Thermodynamic changes
Changes in aqueous solution (1)
- Reaction of strontium nitrate and iron(III) sulfate◆
ΔrG −110.6 kJ/mol K 2.38 × 1019 pK −19.38
| 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 | 5.9 | −110.6 | 389 | – |
per 1 mol of | 2.0 | −36.87 | 130 | – |
per 1 mol of | 5.9 | −110.6 | 389 | – |
per 1 mol of | 2.0 | −36.87 | 130 | – |
per 1 mol of | 3.0 | −55.30 | 195 | – |
Changes in aqueous solution (2)
- Reaction of strontium nitrate and iron(III) 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 | −2.5 | – | – | – |
per 1 mol of | −0.83 | – | – | – |
per 1 mol of | −2.5 | – | – | – |
per 1 mol of | −0.83 | – | – | – |
per 1 mol of | −1.3 | – | – | – |
Changes in aqueous solution (3)
- Reaction of strontium nitrate and iron(III) 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 | 15.8 | – | – | – |
per 1 mol of | 5.27 | – | – | – |
per 1 mol of | 15.8 | – | – | – |
per 1 mol of | 5.27 | – | – | – |
per 1 mol of | 7.90 | – | – | – |
Changes in aqueous solution (4)
- Reaction of strontium nitrate and iron(III) 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 | 7.4 | – | – | – |
per 1 mol of | 2.5 | – | – | – |
per 1 mol of | 7.4 | – | – | – |
per 1 mol of | 2.5 | – | – | – |
per 1 mol of | 3.7 | – | – | – |
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 |
|---|---|---|---|---|
| Sr(NO3)2 (cr) | -978.22[1] | -780.02[1] | 194.56[1] | 149.91[1] |
| Sr(NO3)2 (ai) | -960.52[1] | -781.98[1] | 260.2[1] | – |
| Sr(NO3)2 (cr) 4 hydrate | -2154.8[1] | -1730.39[1] | 369.0[1] | – |
| Fe2(SO4)3 (cr) | -2581.5[1] | – | – | – |
| Fe2(SO4)3 (ai) | -2825.0[1] | -2242.8[1] | -571.5[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 |
|---|---|---|---|---|
| SrSO4 (cr) | -1453.1[1] | -1340.9[1] | 117[1] | – |
| SrSO4 (cr) precipitated | -1449.8[1] | – | – | – |
| SrSO4 (ai) | -1455.07[1] | -1304.00[1] | -12.6[1] | – |
| Fe(NO3)3 (ai) | -670.7[1] | -338.3[1] | 123.4[1] | – |
| Fe(NO3)3 (aq) | -674.9[1] | – | – | – |
| Fe(NO3)3 (cr) 9 hydrate | -3285.3[1] | – | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):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°, -978.22 kJ · mol−1
- ^ ΔfG°, -780.02 kJ · mol−1
- ^ S°, 194.56 J · K−1 · mol−1
- ^ Cp°, 149.91 J · K−1 · mol−1
- ^ ΔfH°, -960.52 kJ · mol−1
- ^ ΔfG°, -781.98 kJ · mol−1
- ^ S°, 260.2 J · K−1 · mol−1
- ^ ΔfH°, -2154.8 kJ · mol−1
- ^ ΔfG°, -1730.39 kJ · mol−1
- ^ S°, 369.0 J · K−1 · mol−1
- ^ ΔfH°, -2581.5 kJ · mol−1
- ^ ΔfH°, -2825.0 kJ · mol−1
- ^ ΔfG°, -2242.8 kJ · mol−1
- ^ S°, -571.5 J · K−1 · mol−1
- ^ ΔfH°, -1453.1 kJ · mol−1
- ^ ΔfG°, -1340.9 kJ · mol−1
- ^ S°, 117. J · K−1 · mol−1
- ^ ΔfH°, -1449.8 kJ · mol−1
- ^ ΔfH°, -1455.07 kJ · mol−1
- ^ ΔfG°, -1304.00 kJ · mol−1
- ^ S°, -12.6 J · K−1 · mol−1
- ^ ΔfH°, -670.7 kJ · mol−1
- ^ ΔfG°, -338.3 kJ · mol−1
- ^ S°, 123.4 J · K−1 · mol−1
- ^ ΔfH°, -674.9 kJ · mol−1
- ^ ΔfH°, -3285.3 kJ · mol−1