CuF2 + BaS 💧→ CuS↓ + BaF2↓
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The reaction of copper(II) fluoride and barium sulfide yields copper(II) sulfide and barium fluoride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of copper(II) fluoride and barium sulfide
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 copper(II) fluoride and barium sulfide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CuF2 | Copper(II) fluoride | 1 | Lewis acid | Soluble in water |
BaS | Barium sulfide | 1 | Lewis base | Soluble in water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CuS | Copper(II) sulfide | 1 | Lewis conjugate | Insoluble in water |
BaF2 | Barium fluoride | 1 | Lewis conjugate | Slightly soluble in water |
Thermodynamic changes
Changes in standard condition
- Reaction of copper(II) fluoride and barium sulfide
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 | −258 | – | – | – |
per 1 mol of | −258 | – | – | – |
per 1 mol of | −258 | – | – | – |
per 1 mol of | −258 | – | – | – |
per 1 mol of | −258 | – | – | – |
Changes in aqueous solution
- Reaction of copper(II) fluoride and barium sulfide
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 | −224.2 | – | – | – |
per 1 mol of | −224.2 | – | – | – |
per 1 mol of | −224.2 | – | – | – |
per 1 mol of | −224.2 | – | – | – |
per 1 mol of | −224.2 | – | – | – |
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 |
---|---|---|---|---|
CuF2 (cr) | -542.7[1] | – | – | – |
CuF2 (cr) 2 hydrate | – | -981.4[1] | – | – |
BaS (cr) | -460[1] | -456[1] | 78.2[1] | 49.37[1] |
BaS (g) | 50[1] | – | – | – |
BaS (aq) | -493.3[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (aq):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 |
---|---|---|---|---|
CuS (cr) | -53.1[1] | -53.6[1] | 66.5[1] | 47.82[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] | – |
* (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°, -542.7 kJ · mol−1
- ^ ΔfG°, -981.4 kJ · mol−1
- ^ ΔfH°, -460. kJ · mol−1
- ^ ΔfG°, -456. kJ · mol−1
- ^ S°, 78.2 J · K−1 · mol−1
- ^ Cp°, 49.37 J · K−1 · mol−1
- ^ ΔfH°, 50. kJ · mol−1
- ^ ΔfH°, -493.3 kJ · mol−1
- ^ ΔfH°, -53.1 kJ · mol−1
- ^ ΔfG°, -53.6 kJ · mol−1
- ^ S°, 66.5 J · K−1 · mol−1
- ^ Cp°, 47.82 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