2Fe(NO3)3 + 3Ba(OH)2 → 3Ba(NO3)2 + 2Fe(OH)3↓
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The reaction of iron(III) nitrate and barium hydroxide yields barium nitrate and iron(III) hydroxide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of iron(III) nitrate and barium hydroxide
General equation
- Reaction of salt of weak base and strong base
- Salt of weak baseBrønsted acid + Strong baseBrønsted base ⟶ Salt of strong baseConjugate acid + Weak baseConjugate base + (H2O)
- 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 iron(III) nitrate and barium hydroxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Fe(NO3)3 | Iron(III) nitrate | 2 | Brønsted acid Lewis acid | Salt of weak base Very soluble in water |
| Ba(OH)2 | Barium hydroxide | 3 | Brønsted base Lewis base | Strong base Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(NO3)2 | Barium nitrate | 3 | Conjugate acid Non-redox product | Salt of strong base – |
| Fe(OH)3 | Iron(III) hydroxide | 2 | Conjugate base Lewis conjugate | Weak base Insoluble in water |
Thermodynamic changes
Changes in aqueous solution (1)
- Reaction of iron(III) nitrate and barium hydroxide
| 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 | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
Changes in aqueous solution (2)
- Reaction of iron(III) nitrate and barium hydroxide
| 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 | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
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 |
|---|---|---|---|---|
| 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] | – | – | – |
| Ba(OH)2 (cr) | -944.7[1] | – | – | – |
| Ba(OH)2 (g) | -586[1] | – | – | – |
| Ba(OH)2 (cr) 1 hydrate | -1248.5[1] | – | – | – |
| Ba(OH)2 (cr) 3 hydrate | -1849.3[1] | – | – | – |
| Ba(OH)2 (cr) 8 hydrate | -3342.2[1] | -2792.8[1] | 427[1] | – |
* (ai):Ionized aqueous solution, (aq):Aqueous solution, (cr):Crystalline solid, (g):Gas
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 |
|---|---|---|---|---|
| Ba(NO3)2 (cr) | -992.07[1] | -796.59[1] | 213.8[1] | 151.38[1] |
| Ba(NO3)2 (ai) | -952.36[1] | -783.28[1] | 302.5[1] | – |
| Fe(OH)3 (cr) precipitated | -823.0[1] | -696.5[1] | 106.7[1] | – |
| Fe(OH)3 (ao) | – | -659.3[1] | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-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°, -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
- ^ ΔfH°, -944.7 kJ · mol−1
- ^ ΔfH°, -586. kJ · mol−1
- ^ ΔfH°, -1248.5 kJ · mol−1
- ^ ΔfH°, -1849.3 kJ · mol−1
- ^ ΔfH°, -3342.2 kJ · mol−1
- ^ ΔfG°, -2792.8 kJ · mol−1
- ^ S°, 427. J · K−1 · mol−1
- ^ ΔfH°, -992.07 kJ · mol−1
- ^ ΔfG°, -796.59 kJ · mol−1
- ^ S°, 213.8 J · K−1 · mol−1
- ^ Cp°, 151.38 J · K−1 · mol−1
- ^ ΔfH°, -952.36 kJ · mol−1
- ^ ΔfG°, -783.28 kJ · mol−1
- ^ S°, 302.5 J · K−1 · mol−1
- ^ ΔfH°, -823.0 kJ · mol−1
- ^ ΔfG°, -696.5 kJ · mol−1
- ^ S°, 106.7 J · K−1 · mol−1
- ^ ΔfG°, -659.3 kJ · mol−1