Ba(OH)2 + 2NaF 💧→ BaF2↓ + 2NaOH
Last updated:
- Reaction of barium hydroxide and sodium fluoride
The reaction of barium hydroxide and sodium fluoride yields barium fluoride and sodium hydroxide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium hydroxide and sodium fluoride
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 hydroxide and sodium fluoride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(OH)2 | Barium hydroxide | 1 | Lewis acid | Very soluble in water |
| NaF | Sodium fluoride | 2 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaF2 | Barium fluoride | 1 | Lewis conjugate | Slightly soluble in water |
| NaOH | Sodium hydroxide | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of barium hydroxide and sodium fluoride
| 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 | 33.7 | – | – | – |
per 1 mol of | 33.7 | – | – | – |
per 1 mol of | 16.9 | – | – | – |
per 1 mol of | 33.7 | – | – | – |
per 1 mol of | 16.9 | – | – | – |
Changes in aqueous solution
- Reaction of barium hydroxide and sodium fluoride
| 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 | −57.1 | – | – | – |
per 1 mol of | −57.1 | – | – | – |
per 1 mol of | −28.6 | – | – | – |
per 1 mol of | −57.1 | – | – | – |
per 1 mol of | −28.6 | – | – | – |
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(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] | – |
| NaF (cr) | -573.647[1] | -543.494[1] | 51.46[1] | 46.86[1] |
| NaF (g) | -291.2[1] | -310.5[1] | 217.59[1] | 34.221[1] |
| NaF (ai) | -572.75[1] | -540.68[1] | 45.2[1] | -60.2[1] |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| BaF2 (cr) | -1207.1[1] | -1156.8[1] | 96.36[1] | 71.21[1] |
| BaF2 (g) | -818.0[1] | -828.4[1] | 300.98[1] | 53.76[1] |
| BaF2 (ai) | -1202.90[1] | -1118.35[1] | -18.0[1] | – |
| NaOH (cr) | -425.609[1] | -379.494[1] | 64.455[1] | 59.54[1] |
| NaOH (g) | -207.1[1] | -210.0[1] | 228.43[1] | 48.37[1] |
| NaOH (ai) | -470.114[1] | -419.150[1] | 48.1[1] | -102.1[1] |
| NaOH (cr) 1 hydrate | -734.543[1] | -629.338[1] | 99.50[1] | 90.17[1] |
| NaOH (l) 2 hydrate | -1019.076[1] | -873.091[1] | 195.979[1] | 239.41[1] |
| NaOH (l) 3.5 hydrate | -1459.798[1] | -1236.356[1] | 286.089[1] | 354.43[1] |
| NaOH (l) 4 hydrate | -1605.15[1] | -1356.64[1] | 318.70[1] | – |
| NaOH (l) 5 hydrate | -1894.31[1] | -1596.34[1] | 386.06[1] | – |
| NaOH (l) 7 hydrate | -2469.02[1] | -2073.80[1] | 526.31[1] | – |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid
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°, -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°, -573.647 kJ · mol−1
- ^ ΔfG°, -543.494 kJ · mol−1
- ^ S°, 51.46 J · K−1 · mol−1
- ^ Cp°, 46.86 J · K−1 · mol−1
- ^ ΔfH°, -291.2 kJ · mol−1
- ^ ΔfG°, -310.5 kJ · mol−1
- ^ S°, 217.59 J · K−1 · mol−1
- ^ Cp°, 34.221 J · K−1 · mol−1
- ^ ΔfH°, -572.75 kJ · mol−1
- ^ ΔfG°, -540.68 kJ · mol−1
- ^ S°, 45.2 J · K−1 · mol−1
- ^ Cp°, -60.2 J · K−1 · mol−1
- ^ ΔfH°, -1207.1 kJ · mol−1
- ^ ΔfG°, -1156.8 kJ · mol−1
- ^ S°, 96.36 J · K−1 · mol−1
- ^ Cp°, 71.21 J · K−1 · mol−1
- ^ ΔfH°, -818.0 kJ · mol−1
- ^ ΔfG°, -828.4 kJ · mol−1
- ^ S°, 300.98 J · K−1 · mol−1
- ^ Cp°, 53.76 J · K−1 · mol−1
- ^ ΔfH°, -1202.90 kJ · mol−1
- ^ ΔfG°, -1118.35 kJ · mol−1
- ^ S°, -18.0 J · K−1 · mol−1
- ^ ΔfH°, -425.609 kJ · mol−1
- ^ ΔfG°, -379.494 kJ · mol−1
- ^ S°, 64.455 J · K−1 · mol−1
- ^ Cp°, 59.54 J · K−1 · mol−1
- ^ ΔfH°, -207.1 kJ · mol−1
- ^ ΔfG°, -210.0 kJ · mol−1
- ^ S°, 228.43 J · K−1 · mol−1
- ^ Cp°, 48.37 J · K−1 · mol−1
- ^ ΔfH°, -470.114 kJ · mol−1
- ^ ΔfG°, -419.150 kJ · mol−1
- ^ S°, 48.1 J · K−1 · mol−1
- ^ Cp°, -102.1 J · K−1 · mol−1
- ^ ΔfH°, -734.543 kJ · mol−1
- ^ ΔfG°, -629.338 kJ · mol−1
- ^ S°, 99.50 J · K−1 · mol−1
- ^ Cp°, 90.17 J · K−1 · mol−1
- ^ ΔfH°, -1019.076 kJ · mol−1
- ^ ΔfG°, -873.091 kJ · mol−1
- ^ S°, 195.979 J · K−1 · mol−1
- ^ Cp°, 239.41 J · K−1 · mol−1
- ^ ΔfH°, -1459.798 kJ · mol−1
- ^ ΔfG°, -1236.356 kJ · mol−1
- ^ S°, 286.089 J · K−1 · mol−1
- ^ Cp°, 354.43 J · K−1 · mol−1
- ^ ΔfH°, -1605.15 kJ · mol−1
- ^ ΔfG°, -1356.64 kJ · mol−1
- ^ S°, 318.70 J · K−1 · mol−1
- ^ ΔfH°, -1894.31 kJ · mol−1
- ^ ΔfG°, -1596.34 kJ · mol−1
- ^ S°, 386.06 J · K−1 · mol−1
- ^ ΔfH°, -2469.02 kJ · mol−1
- ^ ΔfG°, -2073.80 kJ · mol−1
- ^ S°, 526.31 J · K−1 · mol−1