Ba(HSO4)2 🔥→ Ba(OH)2 + 2SO3
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Decomposition of barium hydrogensulfate yields barium hydroxide and sulfur trioxide (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Decomposition of barium hydrogensulfate
General equation
- Thermal decomposition without redox
- Thermally decomposable substanceLewis conjugate🔥⟶ ProductLewis acid + ProductLewis base
Oxidation state of each atom
- Decomposition of barium hydrogensulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(HSO4)2 | Barium hydrogensulfate | 1 | Lewis conjugate | Thermally decomposable |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ba(OH)2 | Barium hydroxide | 1 | Lewis acid | – |
| SO3 | Sulfur trioxide | 2 | Lewis acid | – |
Thermodynamic changes
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(HSO4)2 | – | – | – | – |
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 |
|---|---|---|---|---|
| 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] | – |
| SO3 (cr) β | -454.51[1] | -374.21[1] | 70.7[1] | – |
| SO3 (l) | -441.04[1] | -373.75[1] | 113.8[1] | – |
| SO3 (g) | -395.72[1] | -371.06[1] | 256.76[1] | 50.67[1] |
* (cr):Crystalline solid, (g):Gas, (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°, -454.51 kJ · mol−1
- ^ ΔfG°, -374.21 kJ · mol−1
- ^ S°, 70.7 J · K−1 · mol−1
- ^ ΔfH°, -441.04 kJ · mol−1
- ^ ΔfG°, -373.75 kJ · mol−1
- ^ S°, 113.8 J · K−1 · mol−1
- ^ ΔfH°, -395.72 kJ · mol−1
- ^ ΔfG°, -371.06 kJ · mol−1
- ^ S°, 256.76 J · K−1 · mol−1
- ^ Cp°, 50.67 J · K−1 · mol−1