6HCl + 2SrCrO4 + 10H+ → 3Cl2 + 2Cr3+ + 2Sr2+ + 8H2O
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- Reaction of hydrogen chloride and strontium chromate under acidic condition
- 6HClHydrogen chloride + 2SrCrO4Strontium chromate + 10H+Hydrogen ion3 + 2Cr3+Chromium(III) ion + 2Sr2+Strontium ion + 8H2OWater⟶
The reaction of hydrogen chloride, strontium chromate, and hydrogen ion yields , chromium(III) ion, strontium ion, and water (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 hydrogen chloride and strontium chromate under acidic condition
- 6HClHydrogen chloride + 2SrCrO4Strontium chromate + 10H+Hydrogen ion3 + 2Cr3+Chromium(III) ion + 2Sr2+Strontium ion + 8H2OWater⟶
General equation
- Reaction of hardly oxidizable species and oxidizing species under acidic condition
- Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of hydrogen chloride and strontium chromate under acidic condition
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
HCl | Hydrogen chloride | 6 | Reducing | Hardly oxidizable |
SrCrO4 | Strontium chromate | 2 | Oxidizing | Oxidizing under acidic condition |
H+ | Hydrogen ion | 10 | – | Hydrogen ion |
Products
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 |
---|---|---|---|---|
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] |
SrCrO4 | – | – | – | – |
H+ (g) | 1536.202[1] | – | – | – |
H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (g):Gas, (ai):Ionized aqueous solution, (ao):Un-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 |
---|---|---|---|---|
(g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
(ao) | -23.4[1] | 6.94[1] | 121[1] | – |
Cr3+ (g) | 5648.4[1] | – | – | – |
Sr2+ (g) | 1790.54[1] | – | – | – |
Sr2+ (ao) | -545.80[1] | -559.48[1] | -32.6[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] |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (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°, -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°, 1536.202 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 0 J · K−1 · mol−1
- ^ Cp°, 0 J · K−1 · 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°, 5648.4 kJ · mol−1
- ^ ΔfH°, 1790.54 kJ · mol−1
- ^ ΔfH°, -545.80 kJ · mol−1
- ^ ΔfG°, -559.48 kJ · mol−1
- ^ S°, -32.6 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