4NH4HCO3 + 7O2 → 4NO2 + 4CO2 + 10H2O
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- Reaction of ammonium hydrogencarbonate and
The reaction of ammonium hydrogencarbonate and yields nitrogen dioxide, carbon dioxide, 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 ammonium hydrogencarbonate and
General equation
- Reaction of reducing species and oxidizing species
- Reducing speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of ammonium hydrogencarbonate and
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NH4HCO3 | Ammonium hydrogencarbonate | 4 | Reducing | Reducing |
7 | Oxidizing | Oxidizing |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NO2 | Nitrogen dioxide | 4 | Redoxed product | – |
CO2 | Carbon dioxide | 4 | – | – |
H2O | Water | 10 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of ammonium hydrogencarbonate and ◆
ΔrG −1079.9 kJ/mol K 1.55 × 10189 pK −189.19
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 | −902.0 | −1079.9 | 594.7 | – |
per 1 mol of | −225.5 | −269.98 | 148.7 | – |
−128.9 | −154.27 | 84.96 | – | |
per 1 mol of | −225.5 | −269.98 | 148.7 | – |
per 1 mol of | −225.5 | −269.98 | 148.7 | – |
per 1 mol of | −90.20 | −107.99 | 59.47 | – |
Changes in aqueous solution (1)
- Reaction of ammonium hydrogencarbonate and ◆
ΔrG −1194.0 kJ/mol K 1.51 × 10209 pK −209.18
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 | −919.7 | −1194.0 | 919.6 | – |
per 1 mol of | −229.9 | −298.50 | 229.9 | – |
−131.4 | −170.57 | 131.4 | – | |
per 1 mol of | −229.9 | −298.50 | 229.9 | – |
per 1 mol of | −229.9 | −298.50 | 229.9 | – |
per 1 mol of | −91.97 | −119.40 | 91.96 | – |
Changes in aqueous solution (2)
- Reaction of ammonium hydrogencarbonate and ◆
ΔrG −1160.5 kJ/mol K 2.05 × 10203 pK −203.31
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 | −1000.9 | −1160.5 | 535.0 | – |
per 1 mol of | −250.22 | −290.13 | 133.8 | – |
−142.99 | −165.79 | 76.43 | – | |
per 1 mol of | −250.22 | −290.13 | 133.8 | – |
per 1 mol of | −250.22 | −290.13 | 133.8 | – |
per 1 mol of | −100.09 | −116.05 | 53.50 | – |
Changes in aqueous solution (3)
- Reaction of ammonium hydrogencarbonate and
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 | −930.9 | – | – | – |
per 1 mol of | −232.7 | – | – | – |
−133.0 | – | – | – | |
per 1 mol of | −232.7 | – | – | – |
per 1 mol of | −232.7 | – | – | – |
per 1 mol of | −93.09 | – | – | – |
Changes in aqueous solution (4)
- Reaction of ammonium hydrogencarbonate and
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 | −1012.1 | – | – | – |
per 1 mol of | −253.03 | – | – | – |
−144.59 | – | – | – | |
per 1 mol of | −253.03 | – | – | – |
per 1 mol of | −253.03 | – | – | – |
per 1 mol of | −101.21 | – | – | – |
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 |
---|---|---|---|---|
NH4HCO3 (cr) | -849.4[1] | -665.9[1] | 120.9[1] | – |
NH4HCO3 (ai) | -824.50[1] | -666.07[1] | 204.6[1] | – |
NH4HCO3 (aq) | -821.7[1] | – | – | – |
(g) | 0[1] | 0[1] | 205.138[1] | 29.355[1] |
(ao) | -11.7[1] | 16.4[1] | 110.9[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):Aqueous solution, (g):Gas, (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 |
---|---|---|---|---|
NO2 (g) | 33.18[1] | 51.31[1] | 240.06[1] | 37.20[1] |
CO2 (g) | -393.509[1] | -394.359[1] | 213.74[1] | 37.11[1] |
CO2 (ao) | -413.80[1] | -385.98[1] | 117.6[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°, -849.4 kJ · mol−1
- ^ ΔfG°, -665.9 kJ · mol−1
- ^ S°, 120.9 J · K−1 · mol−1
- ^ ΔfH°, -824.50 kJ · mol−1
- ^ ΔfG°, -666.07 kJ · mol−1
- ^ S°, 204.6 J · K−1 · mol−1
- ^ ΔfH°, -821.7 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 205.138 J · K−1 · mol−1
- ^ Cp°, 29.355 J · K−1 · mol−1
- ^ ΔfH°, -11.7 kJ · mol−1
- ^ ΔfG°, 16.4 kJ · mol−1
- ^ S°, 110.9 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°, -393.509 kJ · mol−1
- ^ ΔfG°, -394.359 kJ · mol−1
- ^ S°, 213.74 J · K−1 · mol−1
- ^ Cp°, 37.11 J · K−1 · mol−1
- ^ ΔfH°, -413.80 kJ · mol−1
- ^ ΔfG°, -385.98 kJ · mol−1
- ^ S°, 117.6 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