2CsBr + 3HNO3 🔥→ 2CsNO3 + Br2 + HNO2 + H2O
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- Reaction of caesium bromide and nitric acid
The reaction of caesium bromide and nitric acid yields caesium nitrate, , nitrous acid, 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 caesium bromide and nitric acid
General equation
- Reaction of hardly oxidizable species and oxidizing species
- Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of caesium bromide and nitric acid
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CsBr | Caesium bromide | 2 | Reducing | Hardly oxidizable |
HNO3 | Nitric acid | 3 | Oxidizing | Oxidizing |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CsNO3 | Caesium nitrate | 2 | – | – |
1 | Oxidized | – | ||
HNO2 | Nitrous acid | 1 | Reduced | – |
H2O | Water | 1 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of caesium bromide and nitric acid◆
ΔrG 35.4 kJ/mol K 0.63 × 10−6 pK 6.20
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 | 42.8 | 35.4 | 24.9 | – |
per 1 mol of | 21.4 | 17.7 | 12.4 | – |
per 1 mol of | 14.3 | 11.8 | 8.30 | – |
per 1 mol of | 21.4 | 17.7 | 12.4 | – |
42.8 | 35.4 | 24.9 | – | |
per 1 mol of | 42.8 | 35.4 | 24.9 | – |
per 1 mol of | 42.8 | 35.4 | 24.9 | – |
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 |
---|---|---|---|---|
CsBr (cr) | -405.81[1] | -391.41[1] | 113.05[1] | 52.93[1] |
CsBr (g) | -209.2[1] | -241.0[1] | 267.43[1] | 37.07[1] |
CsBr (ai) | -379.82[1] | -395.97[1] | 215.48[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] |
* (cr):Crystalline solid, (g):Gas, (ai):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 |
---|---|---|---|---|
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] |
(cr) | – | – | – | – |
(l) | 0[1] | 0[1] | 152.231[1] | 75.689[1] |
(g) | 30.907[1] | 3.110[1] | 245.463[1] | 36.02[1] |
(ao) | -2.59[1] | 3.93[1] | 130.5[1] | – |
HNO2 (g) cis | -77.99[1] | -42.94[1] | 248.76[1] | 44.77[1] |
HNO2 (g) trans | -80.12[1] | -45.24[1] | 249.22[1] | 46.07[1] |
HNO2 (g) | -79.5[1] | -46.0[1] | 254.1[1] | 45.6[1] |
HNO2 (ao) | -119.2[1] | -50.6[1] | 135.6[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] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid, (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°, -405.81 kJ · mol−1
- ^ ΔfG°, -391.41 kJ · mol−1
- ^ S°, 113.05 J · K−1 · mol−1
- ^ Cp°, 52.93 J · K−1 · mol−1
- ^ ΔfH°, -209.2 kJ · mol−1
- ^ ΔfG°, -241.0 kJ · mol−1
- ^ S°, 267.43 J · K−1 · mol−1
- ^ Cp°, 37.07 J · K−1 · mol−1
- ^ ΔfH°, -379.82 kJ · mol−1
- ^ ΔfG°, -395.97 kJ · mol−1
- ^ S°, 215.48 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°, -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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 152.231 J · K−1 · mol−1
- ^ Cp°, 75.689 J · K−1 · mol−1
- ^ ΔfH°, 30.907 kJ · mol−1
- ^ ΔfG°, 3.110 kJ · mol−1
- ^ S°, 245.463 J · K−1 · mol−1
- ^ Cp°, 36.02 J · K−1 · mol−1
- ^ ΔfH°, -2.59 kJ · mol−1
- ^ ΔfG°, 3.93 kJ · mol−1
- ^ S°, 130.5 J · K−1 · mol−1
- ^ ΔfH°, -77.99 kJ · mol−1
- ^ ΔfG°, -42.94 kJ · mol−1
- ^ S°, 248.76 J · K−1 · mol−1
- ^ Cp°, 44.77 J · K−1 · mol−1
- ^ ΔfH°, -80.12 kJ · mol−1
- ^ ΔfG°, -45.24 kJ · mol−1
- ^ S°, 249.22 J · K−1 · mol−1
- ^ Cp°, 46.07 J · K−1 · mol−1
- ^ ΔfH°, -79.5 kJ · mol−1
- ^ ΔfG°, -46.0 kJ · mol−1
- ^ S°, 254.1 J · K−1 · mol−1
- ^ Cp°, 45.6 J · K−1 · mol−1
- ^ ΔfH°, -119.2 kJ · mol−1
- ^ ΔfG°, -50.6 kJ · mol−1
- ^ S°, 135.6 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