BaCl2 + K2SO4 💧→ BaSO4↓ + 2KCl
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The reaction of barium chloride and potassium sulfate yields barium sulfate and potassium chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium chloride and potassium 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 barium chloride and potassium sulfate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
BaCl2 | Barium chloride | 1 | Lewis acid | Very soluble in water |
K2SO4 | Potassium sulfate | 1 | Lewis base | Soluble in water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
BaSO4 | Barium sulfate | 1 | Lewis conjugate | Insoluble in water |
KCl | Potassium chloride | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of barium chloride and potassium sulfate◆
ΔrG −48.7 kJ/mol K 3.40 × 108 pK −8.53
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 | −50.3 | −48.7 | −1.9 | −2.25 |
per 1 mol of | −50.3 | −48.7 | −1.9 | −2.25 |
per 1 mol of | −50.3 | −48.7 | −1.9 | −2.25 |
per 1 mol of | −50.3 | −48.7 | −1.9 | −2.25 |
per 1 mol of | −25.1 | −24.4 | −0.95 | −1.13 |
Changes in standard condition (2)
- Reaction of barium chloride and potassium 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 | −43.6 | – | – | – |
per 1 mol of | −43.6 | – | – | – |
per 1 mol of | −43.6 | – | – | – |
per 1 mol of | −43.6 | – | – | – |
per 1 mol of | −21.8 | – | – | – |
Changes in aqueous solution
- Reaction of barium chloride and potassium sulfate◆
ΔrG 0.00 kJ/mol K 1.00 × 100 pK 0.00
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 | 1302.22 | 0.00 | 0.0 | – |
per 1 mol of | 1302.22 | 0.00 | 0.0 | – |
per 1 mol of | 1302.22 | 0.00 | 0.0 | – |
per 1 mol of | 1302.22 | 0.00 | 0.0 | – |
per 1 mol of | 651.110 | 0.00 | 0.0 | – |
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 |
---|---|---|---|---|
BaCl2 (cr) | -858.6[1] | -810.4[1] | 123.68[1] | 75.14[1] |
BaCl2 (g) | -525.9[1] | -537.6[1] | 325.29[1] | 56.19[1] |
BaCl2 (ai) | -871.95[1] | -823.21[1] | 122.6[1] | – |
BaCl2 (cr) 1 hydrate | -1160.6[1] | -1055.63[1] | 166.9[1] | – |
BaCl2 (cr) 2 hydrate | -1460.13[1] | -1296.32[1] | 202.9[1] | 161.96[1] |
K2SO4 (cr) | -1437.79[1] | -1321.37[1] | 175.56[1] | 131.46[1] |
K2SO4 (g) | -1096[1] | -1033[1] | 364[1] | 108.8[1] |
K2SO4 (ai) | -1414.02[1] | -1311.07[1] | 225.1[1] | -251[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 |
---|---|---|---|---|
BaSO4 (cr) | -1473.2[1] | -1362.2[1] | 132.2[1] | 101.75[1] |
BaSO4 (cr) precipitated | -1466.5[1] | – | – | – |
BaSO4 (ai) | -144.691[1] | -1305.30[1] | 29.7[1] | – |
KCl (cr) | -436.747[1] | -409.14[1] | 82.59[1] | 51.30[1] |
KCl (g) | -214.14[1] | -233.0[1] | 239.10[1] | 36.48[1] |
KCl (ai) | -419.53[1] | -414.49[1] | 159.0[1] | -114.6[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas
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°, -858.6 kJ · mol−1
- ^ ΔfG°, -810.4 kJ · mol−1
- ^ S°, 123.68 J · K−1 · mol−1
- ^ Cp°, 75.14 J · K−1 · mol−1
- ^ ΔfH°, -525.9 kJ · mol−1
- ^ ΔfG°, -537.6 kJ · mol−1
- ^ S°, 325.29 J · K−1 · mol−1
- ^ Cp°, 56.19 J · K−1 · mol−1
- ^ ΔfH°, -871.95 kJ · mol−1
- ^ ΔfG°, -823.21 kJ · mol−1
- ^ S°, 122.6 J · K−1 · mol−1
- ^ ΔfH°, -1160.6 kJ · mol−1
- ^ ΔfG°, -1055.63 kJ · mol−1
- ^ S°, 166.9 J · K−1 · mol−1
- ^ ΔfH°, -1460.13 kJ · mol−1
- ^ ΔfG°, -1296.32 kJ · mol−1
- ^ S°, 202.9 J · K−1 · mol−1
- ^ Cp°, 161.96 J · K−1 · mol−1
- ^ ΔfH°, -1437.79 kJ · mol−1
- ^ ΔfG°, -1321.37 kJ · mol−1
- ^ S°, 175.56 J · K−1 · mol−1
- ^ Cp°, 131.46 J · K−1 · mol−1
- ^ ΔfH°, -1096. kJ · mol−1
- ^ ΔfG°, -1033. kJ · mol−1
- ^ S°, 364. J · K−1 · mol−1
- ^ Cp°, 108.8 J · K−1 · mol−1
- ^ ΔfH°, -1414.02 kJ · mol−1
- ^ ΔfG°, -1311.07 kJ · mol−1
- ^ S°, 225.1 J · K−1 · mol−1
- ^ Cp°, -251. J · K−1 · mol−1
- ^ ΔfH°, -1473.2 kJ · mol−1
- ^ ΔfG°, -1362.2 kJ · mol−1
- ^ S°, 132.2 J · K−1 · mol−1
- ^ Cp°, 101.75 J · K−1 · mol−1
- ^ ΔfH°, -1466.5 kJ · mol−1
- ^ ΔfH°, -144.691 kJ · mol−1
- ^ ΔfG°, -1305.30 kJ · mol−1
- ^ S°, 29.7 J · K−1 · mol−1
- ^ ΔfH°, -436.747 kJ · mol−1
- ^ ΔfG°, -409.14 kJ · mol−1
- ^ S°, 82.59 J · K−1 · mol−1
- ^ Cp°, 51.30 J · K−1 · mol−1
- ^ ΔfH°, -214.14 kJ · mol−1
- ^ ΔfG°, -233.0 kJ · mol−1
- ^ S°, 239.10 J · K−1 · mol−1
- ^ Cp°, 36.48 J · K−1 · mol−1
- ^ ΔfH°, -419.53 kJ · mol−1
- ^ ΔfG°, -414.49 kJ · mol−1
- ^ S°, 159.0 J · K−1 · mol−1
- ^ Cp°, -114.6 J · K−1 · mol−1