CaBr2 + 2HClO3 → Ca(ClO3)2 + 2HBr↑
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- Reaction of calcium bromide and chloric acid
The reaction of calcium bromide and chloric acid yields calcium chlorate and hydrogen bromide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of calcium bromide and chloric acid
General equation
- Salt of volatile acidBrønsted base + Nonvolatile acidBrønsted acid ⟶ Salt of non volatile acidConjugate base + Volatile acidConjugate acid
Oxidation state of each atom
- Reaction of calcium bromide and chloric acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CaBr2 | Calcium bromide | 1 | Brønsted base | Salt of volatile acid |
| HClO3 | Chloric acid | 2 | Brønsted acid | Nonvolatile acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ca(ClO3)2 | Calcium chlorate | 1 | Conjugate base | Salt of non volatile acid |
| HBr | Hydrogen bromide | 2 | Conjugate acid | Volatile 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 |
|---|---|---|---|---|
| CaBr2 (cr) | -682.8[1] | -663.6[1] | 130[1] | – |
| CaBr2 (g) | -398.3[1] | – | – | – |
| CaBr2 (ai) | -785.92[1] | -761.49[1] | 111.7[1] | – |
| CaBr2 (cr) 6 hydrate | -2506.2[1] | -2152.8[1] | 410[1] | – |
| HClO3 (ai) | -103.97[1] | -7.95[1] | 162.3[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 |
|---|---|---|---|---|
| Ca(ClO3)2 | – | – | – | – |
| HBr (g) | -36.40[1] | -53.45[1] | 198.695[1] | 29.142[1] |
| HBr (ai) | -121.55[1] | -103.96[1] | 82.4[1] | -141.8[1] |
* (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°, -682.8 kJ · mol−1
- ^ ΔfG°, -663.6 kJ · mol−1
- ^ S°, 130. J · K−1 · mol−1
- ^ ΔfH°, -398.3 kJ · mol−1
- ^ ΔfH°, -785.92 kJ · mol−1
- ^ ΔfG°, -761.49 kJ · mol−1
- ^ S°, 111.7 J · K−1 · mol−1
- ^ ΔfH°, -2506.2 kJ · mol−1
- ^ ΔfG°, -2152.8 kJ · mol−1
- ^ S°, 410. J · K−1 · mol−1
- ^ ΔfH°, -103.97 kJ · mol−1
- ^ ΔfG°, -7.95 kJ · mol−1
- ^ S°, 162.3 J · K−1 · mol−1
- ^ ΔfH°, -36.40 kJ · mol−1
- ^ ΔfG°, -53.45 kJ · mol−1
- ^ S°, 198.695 J · K−1 · mol−1
- ^ Cp°, 29.142 J · K−1 · mol−1
- ^ ΔfH°, -121.55 kJ · mol−1
- ^ ΔfG°, -103.96 kJ · mol−1
- ^ S°, 82.4 J · K−1 · mol−1
- ^ Cp°, -141.8 J · K−1 · mol−1