Cu + 2CsNO3 + 4H+ → Cu2+ + 2NO2↑ + 2Cs+ + 2H2O
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- Reaction of and caesium nitrate under acidic condition
- + 2CsNO3Caesium nitrate + 4H+Hydrogen ionCu2+Copper(II) ion + 2NO2↑Nitrogen dioxide + 2Cs+Caesium ion + 2H2OWater⟶
The reaction of , caesium nitrate, and hydrogen ion yields copper(II) ion, nitrogen dioxide, caesium 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 and caesium nitrate under acidic condition
- + 2CsNO3Caesium nitrate + 4H+Hydrogen ionCu2+Copper(II) ion + 2NO2↑Nitrogen dioxide + 2Cs+Caesium ion + 2H2OWater⟶
General equation
- Reaction of oxidizable species and oxidizing species under acidic condition
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of and caesium nitrate under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 1 | Reducing | Oxidizable | ||
| CsNO3 | Caesium nitrate | 2 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 4 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cu2+ | Copper(II) ion | 1 | Oxidized | – |
| NO2 | Nitrogen dioxide | 2 | Reduced | – |
| Cs+ | Caesium ion | 2 | – | – |
| H2O | Water | 2 | – | Water |
Thermodynamic changes
Changes in standard condition
- Reaction of and caesium nitrate under acidic condition◆
ΔrG −83.65 kJ/mol K 4.52 × 1014 pK −14.65
| 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 | −25.81 | −83.65 | 194.3 | – |
| −25.81 | −83.65 | 194.3 | – | |
per 1 mol of | −12.90 | −41.83 | 97.15 | – |
per 1 mol of Hydrogen ion | −6.452 | −20.91 | 48.58 | – |
per 1 mol of Copper(II) ion | −25.81 | −83.65 | 194.3 | – |
per 1 mol of | −12.90 | −41.83 | 97.15 | – |
per 1 mol of Caesium ion | −12.90 | −41.83 | 97.15 | – |
per 1 mol of | −12.90 | −41.83 | 97.15 | – |
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 |
|---|---|---|---|---|
| (cr) | 0[1] | 0[1] | 33.150[1] | 24.435[1] |
| (g) | 338.32[1] | 298.58[1] | 166.38[1] | 20.786[1] |
| CsNO3 (cr) | -505.97[1] | -406.54[1] | 155.2[1] | – |
| CsNO3 (g) | -374.0[1] | – | – | – |
| CsNO3 (ai) | -465.64[1] | -403.27[1] | 279.5[1] | -99[1] |
| H+ (g) | 1536.202[1] | – | – | – |
| H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (cr):Crystalline solid, (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 |
|---|---|---|---|---|
| Cu2+ (g) | 3054.07[1] | – | – | – |
| Cu2+ (ao) | 64.77[1] | 65.49[1] | -99.6[1] | – |
| NO2 (g) | 33.18[1] | 51.31[1] | 240.06[1] | 37.20[1] |
| Cs+ (g) | 457.964[1] | – | – | – |
| Cs+ (ao) | -258.28[1] | -292.02[1] | 133.05[1] | -10.5[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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 33.150 J · K−1 · mol−1
- ^ Cp°, 24.435 J · K−1 · mol−1
- ^ ΔfH°, 338.32 kJ · mol−1
- ^ ΔfG°, 298.58 kJ · mol−1
- ^ S°, 166.38 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -505.97 kJ · mol−1
- ^ ΔfG°, -406.54 kJ · mol−1
- ^ S°, 155.2 J · K−1 · mol−1
- ^ ΔfH°, -374.0 kJ · mol−1
- ^ ΔfH°, -465.64 kJ · mol−1
- ^ ΔfG°, -403.27 kJ · mol−1
- ^ S°, 279.5 J · K−1 · mol−1
- ^ Cp°, -99. 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°, 3054.07 kJ · mol−1
- ^ ΔfH°, 64.77 kJ · mol−1
- ^ ΔfG°, 65.49 kJ · mol−1
- ^ S°, -99.6 J · K−1 · mol−1
- ^ ΔfH°, 33.18 kJ · mol−1
- ^ ΔfG°, 51.31 kJ · mol−1
- ^ S°, 240.06 J · K−1 · mol−1
- ^ Cp°, 37.20 J · K−1 · mol−1
- ^ ΔfH°, 457.964 kJ · mol−1
- ^ ΔfH°, -258.28 kJ · mol−1
- ^ ΔfG°, -292.02 kJ · mol−1
- ^ S°, 133.05 J · K−1 · mol−1
- ^ Cp°, -10.5 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