3BaI2 + 3Cl2 + 3H2O → 3BaCl2 + HIO3 + 5HI
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- Reaction of barium iodide and under neutral condition
The reaction of barium iodide, , and water yields barium chloride, iodic acid, and hydrogen iodide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of barium iodide and under neutral condition
General equation
- Reaction of oxidizable species and oxidizing species under neutral condition
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H2ONon-redox agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of barium iodide and under neutral condition
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
BaI2 | Barium iodide | 3 | Reducing | Oxidizable |
3 | Oxidizing | Oxidizing | ||
H2O | Water | 3 | – | Water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
BaCl2 | Barium chloride | 3 | Reduced | – |
HIO3 | Iodic acid | 1 | Oxidized | – |
HI | Hydrogen iodide | 5 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of barium iodide and under neutral condition
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 | −9.7 | – | – | – |
per 1 mol of | −3.2 | – | – | – |
−3.2 | – | – | – | |
per 1 mol of | −3.2 | – | – | – |
per 1 mol of | −3.2 | – | – | – |
per 1 mol of | −9.7 | – | – | – |
per 1 mol of | −1.9 | – | – | – |
Changes in aqueous solution (1)
- Reaction of barium iodide and under neutral condition◆
ΔrG 88.6 kJ/mol K 0.30 × 10−15 pK 15.52
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 | 177.0 | 88.6 | 298 | – |
per 1 mol of | 59.00 | 29.5 | 99.3 | – |
59.00 | 29.5 | 99.3 | – | |
per 1 mol of | 59.00 | 29.5 | 99.3 | – |
per 1 mol of | 59.00 | 29.5 | 99.3 | – |
per 1 mol of | 177.0 | 88.6 | 298 | – |
per 1 mol of | 35.40 | 17.7 | 59.6 | – |
Changes in aqueous solution (2)
- Reaction of barium iodide and under neutral condition◆
ΔrG −177.8 kJ/mol K 1.41 × 1031 pK −31.15
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 | −231.4 | −177.8 | −178 | – |
per 1 mol of | −77.13 | −59.27 | −59.3 | – |
−77.13 | −59.27 | −59.3 | – | |
per 1 mol of | −77.13 | −59.27 | −59.3 | – |
per 1 mol of | −77.13 | −59.27 | −59.3 | – |
per 1 mol of | −231.4 | −177.8 | −178 | – |
per 1 mol of | −46.28 | −35.56 | −35.6 | – |
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 |
---|---|---|---|---|
BaI2 (cr) | -602.1[1] | – | – | – |
BaI2 (g) | -326[1] | -377[1] | 343[1] | 61.5[1] |
BaI2 (ai) | -648.02[1] | -663.92[1] | 232.2[1] | – |
BaI2 (cr) 1 hydrate | -919.2[1] | – | – | – |
BaI2 (cr) 2 hydrate | -1216.7[1] | – | – | – |
BaI2 (cr) 2.5 hydrate | -1363.6[1] | – | – | – |
BaI2 (cr) 7 hydrate | -2676.5[1] | – | – | – |
(g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
(ao) | -23.4[1] | 6.94[1] | 121[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, (ao):Un-ionized aqueous solution, (l):Liquid
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] |
HIO3 (cr) | -230.1[1] | – | – | – |
HIO3 (ao) | -211.3[1] | -132.6[1] | 166.9[1] | – |
HI (g) | 26.48[1] | 1.70[1] | 206.594[1] | 29.158[1] |
HI (ai) | -55.19[1] | -51.57[1] | 111.3[1] | -142.3[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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°, -602.1 kJ · mol−1
- ^ ΔfH°, -326. kJ · mol−1
- ^ ΔfG°, -377. kJ · mol−1
- ^ S°, 343. J · K−1 · mol−1
- ^ Cp°, 61.5 J · K−1 · mol−1
- ^ ΔfH°, -648.02 kJ · mol−1
- ^ ΔfG°, -663.92 kJ · mol−1
- ^ S°, 232.2 J · K−1 · mol−1
- ^ ΔfH°, -919.2 kJ · mol−1
- ^ ΔfH°, -1216.7 kJ · mol−1
- ^ ΔfH°, -1363.6 kJ · mol−1
- ^ ΔfH°, -2676.5 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 223.066 J · K−1 · mol−1
- ^ Cp°, 33.907 J · K−1 · mol−1
- ^ ΔfH°, -23.4 kJ · mol−1
- ^ ΔfG°, 6.94 kJ · mol−1
- ^ S°, 121. 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
- ^ 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°, -230.1 kJ · mol−1
- ^ ΔfH°, -211.3 kJ · mol−1
- ^ ΔfG°, -132.6 kJ · mol−1
- ^ S°, 166.9 J · K−1 · mol−1
- ^ ΔfH°, 26.48 kJ · mol−1
- ^ ΔfG°, 1.70 kJ · mol−1
- ^ S°, 206.594 J · K−1 · mol−1
- ^ Cp°, 29.158 J · K−1 · mol−1
- ^ ΔfH°, -55.19 kJ · mol−1
- ^ ΔfG°, -51.57 kJ · mol−1
- ^ S°, 111.3 J · K−1 · mol−1
- ^ Cp°, -142.3 J · K−1 · mol−1