Ba(NO3)2 + 2RbF 💧→ BaF2↓ + 2RbNO3
Last updated:
The reaction of barium nitrate and rubidium fluoride yields barium fluoride and rubidium nitrate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium nitrate and rubidium 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 nitrate and rubidium fluoride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(NO3)2 | Barium nitrate | 1 | Lewis acid | Soluble in water |
| RbF | Rubidium 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 |
| RbNO3 | Rubidium nitrate | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of barium nitrate and rubidium 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 | −89.7 | – | – | – |
per 1 mol of | −89.7 | – | – | – |
per 1 mol of | −44.9 | – | – | – |
per 1 mol of | −89.7 | – | – | – |
per 1 mol of | −44.9 | – | – | – |
Changes in aqueous solution
- Reaction of barium nitrate and rubidium fluoride◆
ΔrG −38.5 kJ/mol K 5.56 × 106 pK −6.74
| 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 | −4.2 | −38.5 | 114.5 | – |
per 1 mol of | −4.2 | −38.5 | 114.5 | – |
per 1 mol of | −2.1 | −19.3 | 57.25 | – |
per 1 mol of | −4.2 | −38.5 | 114.5 | – |
per 1 mol of | −2.1 | −19.3 | 57.25 | – |
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(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] | – |
| RbF (cr) | -557.7[1] | – | – | – |
| RbF (g) | -331.4[1] | -349.0[1] | 237.09[1] | 35.69[1] |
| RbF (ai) | -583.79[1] | -562.77[1] | 107.5[1] | – |
| RbF (cr) 1.5 hydrate | -1013.8[1] | – | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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 |
|---|---|---|---|---|
| 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] | – |
| RbNO3 (cr) | -495.05[1] | -395.78[1] | 147.3[1] | 102.1[1] |
| RbNO3 (ai) | -458.52[1] | -395.24[1] | 267.8[1] | – |
* (cr):Crystalline solid, (g):Gas, (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°, -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°, -557.7 kJ · mol−1
- ^ ΔfH°, -331.4 kJ · mol−1
- ^ ΔfG°, -349.0 kJ · mol−1
- ^ S°, 237.09 J · K−1 · mol−1
- ^ Cp°, 35.69 J · K−1 · mol−1
- ^ ΔfH°, -583.79 kJ · mol−1
- ^ ΔfG°, -562.77 kJ · mol−1
- ^ S°, 107.5 J · K−1 · mol−1
- ^ ΔfH°, -1013.8 kJ · 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°, -495.05 kJ · mol−1
- ^ ΔfG°, -395.78 kJ · mol−1
- ^ S°, 147.3 J · K−1 · mol−1
- ^ Cp°, 102.1 J · K−1 · mol−1
- ^ ΔfH°, -458.52 kJ · mol−1
- ^ ΔfG°, -395.24 kJ · mol−1
- ^ S°, 267.8 J · K−1 · mol−1