15RbI + 12HNO3 + 15H+ → 15Rb+ + 10HIO3 + 6N2↑ + 6H2O + 5HI↑
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- Reaction of rubidium iodide and nitric acid under acidic condition
- 15RbIRubidium iodide + 12HNO3Nitric acid + 15H+Hydrogen ion15Rb+Rubidium ion + 10HIO3Iodic acid + 6↑ + 6H2OWater + 5HI↑Hydrogen iodide⟶
The reaction of rubidium iodide, nitric acid, and hydrogen ion yields rubidium ion, iodic acid, , 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
- 15RbIRubidium iodide + 12HNO3Nitric acid + 15H+Hydrogen ion15Rb+Rubidium ion + 10HIO3Iodic acid + 6↑ + 6H2OWater + 5HI↑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 | 15 | Reducing | Oxidizable |
HNO3 | Nitric acid | 12 | Oxidizing | Oxidizing under acidic condition |
H+ | Hydrogen ion | 15 | – | Hydrogen ion |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Rb+ | Rubidium ion | 15 | – | – |
HIO3 | Iodic acid | 10 | Oxidized | – |
6 | Reduced | – | ||
H2O | Water | 6 | – | Water |
HI | Hydrogen iodide | 5 | – | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of rubidium iodide and nitric acid under acidic condition◆
ΔrG −631.6 kJ/mol K 4.48 × 10110 pK −110.65
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 | −379.6 | −631.6 | 847.8 | – |
per 1 mol of | −25.31 | −42.11 | 56.52 | – |
per 1 mol of | −31.63 | −52.63 | 70.65 | – |
per 1 mol of Hydrogen ion | −25.31 | −42.11 | 56.52 | – |
per 1 mol of Rubidium ion | −25.31 | −42.11 | 56.52 | – |
per 1 mol of | −37.96 | −63.16 | 84.78 | – |
−63.27 | −105.3 | 141.3 | – | |
per 1 mol of | −63.27 | −105.3 | 141.3 | – |
per 1 mol of | −75.92 | −126.3 | 169.6 | – |
Changes in standard condition (2)
- Reaction of rubidium iodide and nitric acid under acidic condition◆
ΔrG −897.9 kJ/mol K 2.02 × 10157 pK −157.31
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 | −787.9 | −897.9 | 371.3 | – |
per 1 mol of | −52.53 | −59.86 | 24.75 | – |
per 1 mol of | −65.66 | −74.83 | 30.94 | – |
per 1 mol of Hydrogen ion | −52.53 | −59.86 | 24.75 | – |
per 1 mol of Rubidium ion | −52.53 | −59.86 | 24.75 | – |
per 1 mol of | −78.79 | −89.79 | 37.13 | – |
−131.3 | −149.7 | 61.88 | – | |
per 1 mol of | −131.3 | −149.7 | 61.88 | – |
per 1 mol of | −157.6 | −179.6 | 74.26 | – |
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] | – |
(g) | 0[1] | 0[1] | 191.61[1] | 29.125[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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 191.61 J · K−1 · mol−1
- ^ Cp°, 29.125 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