3RbI + 6HNO3 + 3H+ 🔥→ 3Rb+ + 2HIO3 + 3N2O3↑ + 3H2O + HI↑
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- Reaction of rubidium iodide and nitric acid under acidic condition
- 3RbIRubidium iodide + 6HNO3Nitric acid + 3H+Hydrogen ion3Rb+Rubidium ion + 2HIO3Iodic acid + 3N2O3↑Dinitrogen trioxide + 3H2OWater + HI↑Hydrogen iodide🔥⟶
The reaction of rubidium iodide, nitric acid, and hydrogen ion yields rubidium ion, iodic acid, dinitrogen trioxide, water, 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 rubidium iodide and nitric acid under acidic condition
- 3RbIRubidium iodide + 6HNO3Nitric acid + 3H+Hydrogen ion3Rb+Rubidium ion + 2HIO3Iodic acid + 3N2O3↑Dinitrogen trioxide + 3H2OWater + HI↑Hydrogen iodide🔥⟶
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 rubidium iodide and nitric acid under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| RbI | Rubidium iodide | 3 | Reducing | Oxidizable |
| HNO3 | Nitric acid | 6 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 3 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Rb+ | Rubidium ion | 3 | – | – |
| HIO3 | Iodic acid | 2 | Oxidized | – |
| N2O3 | Dinitrogen trioxide | 3 | Reduced | – |
| H2O | Water | 3 | – | Water |
| HI | Hydrogen iodide | 1 | – | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of rubidium iodide and nitric acid under acidic condition◆
ΔrG 265.7 kJ/mol K 0.28 × 10−46 pK 46.55
| 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 | 407.3 | 265.7 | 475.3 | – |
per 1 mol of | 135.8 | 88.57 | 158.4 | – |
per 1 mol of | 67.88 | 44.28 | 79.22 | – |
per 1 mol of Hydrogen ion | 135.8 | 88.57 | 158.4 | – |
per 1 mol of Rubidium ion | 135.8 | 88.57 | 158.4 | – |
per 1 mol of | 203.7 | 132.8 | 237.7 | – |
per 1 mol of | 135.8 | 88.57 | 158.4 | – |
per 1 mol of | 135.8 | 88.57 | 158.4 | – |
per 1 mol of | 407.3 | 265.7 | 475.3 | – |
Changes in standard condition (2)
- Reaction of rubidium iodide and nitric acid under acidic condition◆
ΔrG 212.5 kJ/mol K 0.59 × 10−37 pK 37.23
| 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 | 325.6 | 212.5 | 380.0 | – |
per 1 mol of | 108.5 | 70.83 | 126.7 | – |
per 1 mol of | 54.27 | 35.42 | 63.33 | – |
per 1 mol of Hydrogen ion | 108.5 | 70.83 | 126.7 | – |
per 1 mol of Rubidium ion | 108.5 | 70.83 | 126.7 | – |
per 1 mol of | 162.8 | 106.3 | 190.0 | – |
per 1 mol of | 108.5 | 70.83 | 126.7 | – |
per 1 mol of | 108.5 | 70.83 | 126.7 | – |
per 1 mol of | 325.6 | 212.5 | 380.0 | – |
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 |
|---|---|---|---|---|
| RbI (cr) | -333.80[1] | -328.86[1] | 118.41[1] | 53.18[1] |
| RbI (g) | -134.3[1] | -174.1[1] | 268.81[1] | 37.36[1] |
| RbI (ai) | -306.35[1] | -335.56[1] | 232.6[1] | – |
| HNO3 (l) | -174.10[1] | -80.71[1] | 155.60[1] | 109.87[1] |
| HNO3 (g) | -135.06[1] | -74.72[1] | 266.38[1] | 53.35[1] |
| HNO3 (ai) | -207.36[1] | -111.25[1] | 146.4[1] | -86.6[1] |
| HNO3 (l) 1 hydrate | -473.46[1] | -328.77[1] | 216.90[1] | 182.46[1] |
| HNO3 (l) 3 hydrate | -1056.04[1] | -811.09[1] | 346.98[1] | 325.14[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, (l):Liquid, (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 |
|---|---|---|---|---|
| Rb+ (g) | 490.101[1] | – | – | – |
| Rb+ (ao) | -251.17[1] | -283.98[1] | 121.50[1] | – |
| HIO3 (cr) | -230.1[1] | – | – | – |
| HIO3 (ao) | -211.3[1] | -132.6[1] | 166.9[1] | – |
| N2O3 (l) | 50.29[1] | – | – | – |
| N2O3 (g) | 83.72[1] | 139.46[1] | 312.28[1] | 65.61[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] |
| 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] |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (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°, -333.80 kJ · mol−1
- ^ ΔfG°, -328.86 kJ · mol−1
- ^ S°, 118.41 J · K−1 · mol−1
- ^ Cp°, 53.18 J · K−1 · mol−1
- ^ ΔfH°, -134.3 kJ · mol−1
- ^ ΔfG°, -174.1 kJ · mol−1
- ^ S°, 268.81 J · K−1 · mol−1
- ^ Cp°, 37.36 J · K−1 · mol−1
- ^ ΔfH°, -306.35 kJ · mol−1
- ^ ΔfG°, -335.56 kJ · mol−1
- ^ S°, 232.6 J · K−1 · mol−1
- ^ ΔfH°, -174.10 kJ · mol−1
- ^ ΔfG°, -80.71 kJ · mol−1
- ^ S°, 155.60 J · K−1 · mol−1
- ^ Cp°, 109.87 J · K−1 · mol−1
- ^ ΔfH°, -135.06 kJ · mol−1
- ^ ΔfG°, -74.72 kJ · mol−1
- ^ S°, 266.38 J · K−1 · mol−1
- ^ Cp°, 53.35 J · K−1 · mol−1
- ^ ΔfH°, -207.36 kJ · mol−1
- ^ ΔfG°, -111.25 kJ · mol−1
- ^ S°, 146.4 J · K−1 · mol−1
- ^ Cp°, -86.6 J · K−1 · mol−1
- ^ ΔfH°, -473.46 kJ · mol−1
- ^ ΔfG°, -328.77 kJ · mol−1
- ^ S°, 216.90 J · K−1 · mol−1
- ^ Cp°, 182.46 J · K−1 · mol−1
- ^ ΔfH°, -1056.04 kJ · mol−1
- ^ ΔfG°, -811.09 kJ · mol−1
- ^ S°, 346.98 J · K−1 · mol−1
- ^ Cp°, 325.14 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°, 490.101 kJ · mol−1
- ^ ΔfH°, -251.17 kJ · mol−1
- ^ ΔfG°, -283.98 kJ · mol−1
- ^ S°, 121.50 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°, 50.29 kJ · mol−1
- ^ ΔfH°, 83.72 kJ · mol−1
- ^ ΔfG°, 139.46 kJ · mol−1
- ^ S°, 312.28 J · K−1 · mol−1
- ^ Cp°, 65.61 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°, 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