BaSO3 + 2HCl → BaCl2 + SO2 + H2O
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The reaction of barium sulfite and hydrogen chloride yields barium chloride, sulfur dioxide, and water (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium sulfite and hydrogen chloride
General equation
- Salt of weak acidBrønsted base + Strong acidBrønsted acid ⟶ Salt of strong acidConjugate base + Acidic oxide + H2OConjugate acid
Oxidation state of each atom
- Reaction of barium sulfite and hydrogen chloride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaSO3 | Barium sulfite | 1 | Brønsted base | Salt of weak acid |
| HCl | Hydrogen chloride | 2 | Brønsted acid | Strong acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| BaCl2 | Barium chloride | 1 | Conjugate base | Salt of strong acid |
| SO2 | Sulfur dioxide | 1 | – | Acidic oxide |
| H2O | Water | 1 | Conjugate acid | Water |
Thermodynamic changes
Changes in standard condition
- Reaction of barium sulfite and hydrogen chloride
| 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 | −77.1 | – | – | – |
per 1 mol of | −77.1 | – | – | – |
per 1 mol of | −38.5 | – | – | – |
per 1 mol of | −77.1 | – | – | – |
per 1 mol of | −77.1 | – | – | – |
per 1 mol of | −77.1 | – | – | – |
Changes in aqueous solution (1)
- Reaction of barium sulfite and hydrogen chloride
| 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 | 59.2 | – | – | – |
per 1 mol of | 59.2 | – | – | – |
per 1 mol of | 29.6 | – | – | – |
per 1 mol of | 59.2 | – | – | – |
per 1 mol of | 59.2 | – | – | – |
per 1 mol of | 59.2 | – | – | – |
Changes in aqueous solution (2)
- Reaction of barium sulfite and hydrogen chloride
| 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 | 33.1 | – | – | – |
per 1 mol of | 33.1 | – | – | – |
per 1 mol of | 16.6 | – | – | – |
per 1 mol of | 33.1 | – | – | – |
per 1 mol of | 33.1 | – | – | – |
per 1 mol of | 33.1 | – | – | – |
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 |
|---|---|---|---|---|
| BaSO3 (cr) | -1179.5[1] | – | – | – |
| HCl (g) | -92.307[1] | -95.299[1] | 186.908[1] | 29.12[1] |
| HCl (ai) | -167.159[1] | -131.228[1] | 56.5[1] | -136.4[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 |
|---|---|---|---|---|
| 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] |
| SO2 (l) | -320.5[1] | – | – | – |
| SO2 (g) | -296.830[1] | -300.194[1] | 248.22[1] | 39.87[1] |
| SO2 (ao) | -322.980[1] | -300.676[1] | 161.9[1] | – |
| H2O (cr) | – | – | – | – |
| H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
| H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid, (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°, -1179.5 kJ · mol−1
- ^ ΔfH°, -92.307 kJ · mol−1
- ^ ΔfG°, -95.299 kJ · mol−1
- ^ S°, 186.908 J · K−1 · mol−1
- ^ Cp°, 29.12 J · K−1 · mol−1
- ^ ΔfH°, -167.159 kJ · mol−1
- ^ ΔfG°, -131.228 kJ · mol−1
- ^ S°, 56.5 J · K−1 · mol−1
- ^ Cp°, -136.4 J · K−1 · mol−1
- ^ 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°, -320.5 kJ · mol−1
- ^ ΔfH°, -296.830 kJ · mol−1
- ^ ΔfG°, -300.194 kJ · mol−1
- ^ S°, 248.22 J · K−1 · mol−1
- ^ Cp°, 39.87 J · K−1 · mol−1
- ^ ΔfH°, -322.980 kJ · mol−1
- ^ ΔfG°, -300.676 kJ · mol−1
- ^ S°, 161.9 J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1