2Na + 2NH4NO3 → 2NaNO3 + 2NH3↑ + H2↑
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- Reaction of and ammonium nitrate
The reaction of and ammonium nitrate yields sodium nitrate, ammonia, and (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 ammonium nitrate
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 and ammonium nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 2 | Reducing | Reducing | ||
| NH4NO3 | Ammonium nitrate | 2 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaNO3 | Sodium nitrate | 2 | Oxidized | – |
| NH3 | Ammonia | 2 | – | – |
| 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and ammonium nitrate◆
ΔrG −399.16 kJ/mol K 8.51 × 1069 pK −69.93
| 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 | −296.80 | −399.16 | 344.04 | −50.4 |
| −148.40 | −199.58 | 172.02 | −25.2 | |
per 1 mol of | −148.40 | −199.58 | 172.02 | −25.2 |
per 1 mol of | −148.40 | −199.58 | 172.02 | −25.2 |
per 1 mol of | −148.40 | −199.58 | 172.02 | −25.2 |
| −296.80 | −399.16 | 344.04 | −50.4 |
Changes in aqueous solution (1)
- Reaction of and ammonium nitrate◆
ΔrG −398.08 kJ/mol K 5.50 × 1069 pK −69.74
| 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 | −307.44 | −398.08 | 304.4 | −24.5 |
| −153.72 | −199.04 | 152.2 | −12.3 | |
per 1 mol of | −153.72 | −199.04 | 152.2 | −12.3 |
per 1 mol of | −153.72 | −199.04 | 152.2 | −12.3 |
per 1 mol of | −153.72 | −199.04 | 152.2 | −12.3 |
| −307.44 | −398.08 | 304.4 | −24.5 |
Changes in aqueous solution (2)
- Reaction of and ammonium nitrate◆
ΔrG −380.5 kJ/mol K 4.58 × 1066 pK −66.66
| 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 | −311.6 | −380.5 | 751 | – |
| −155.8 | −190.3 | 376 | – | |
per 1 mol of | −155.8 | −190.3 | 376 | – |
per 1 mol of | −155.8 | −190.3 | 376 | – |
per 1 mol of | −155.8 | −190.3 | 376 | – |
| −311.6 | −380.5 | 751 | – |
Changes in aqueous solution (3)
- Reaction of and ammonium nitrate◆
ΔrG −418.18 kJ/mol K 1.83 × 1073 pK −73.26
| 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 | −375.80 | −418.18 | 142.1 | – |
| −187.90 | −209.09 | 71.05 | – | |
per 1 mol of | −187.90 | −209.09 | 71.05 | – |
per 1 mol of | −187.90 | −209.09 | 71.05 | – |
per 1 mol of | −187.90 | −209.09 | 71.05 | – |
| −375.80 | −418.18 | 142.1 | – |
Changes in aqueous solution (4)
- Reaction of and ammonium nitrate◆
ΔrG −400.6 kJ/mol K 1.52 × 1070 pK −70.18
| 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 | −380.0 | −400.6 | 588 | – |
| −190.0 | −200.3 | 294 | – | |
per 1 mol of | −190.0 | −200.3 | 294 | – |
per 1 mol of | −190.0 | −200.3 | 294 | – |
per 1 mol of | −190.0 | −200.3 | 294 | – |
| −380.0 | −400.6 | 588 | – |
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] | 51.21[1] | 28.24[1] |
| (g) | 107.32[1] | 76.761[1] | 153.712[1] | 20.786[1] |
| NH4NO3 (cr) | -365.56[1] | -183.87[1] | 151.08[1] | 139.3[1] |
| NH4NO3 (ai) | -339.87[1] | -190.56[1] | 259.8[1] | -6.7[1] |
* (cr):Crystalline solid, (g):Gas, (ai):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 |
|---|---|---|---|---|
| NaNO3 (cr) | -467.85[1] | -367.00[1] | 116.52[1] | 92.88[1] |
| NaNO3 (ai) | -447.48[1] | -373.15[1] | 205.4[1] | -40.2[1] |
| NH3 (g) | -46.11[1] | -16.45[1] | 192.45[1] | 35.06[1] |
| NH3 (ao) | -80.29[1] | -26.50[1] | 111.3[1] | – |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 51.21 J · K−1 · mol−1
- ^ Cp°, 28.24 J · K−1 · mol−1
- ^ ΔfH°, 107.32 kJ · mol−1
- ^ ΔfG°, 76.761 kJ · mol−1
- ^ S°, 153.712 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -365.56 kJ · mol−1
- ^ ΔfG°, -183.87 kJ · mol−1
- ^ S°, 151.08 J · K−1 · mol−1
- ^ Cp°, 139.3 J · K−1 · mol−1
- ^ ΔfH°, -339.87 kJ · mol−1
- ^ ΔfG°, -190.56 kJ · mol−1
- ^ S°, 259.8 J · K−1 · mol−1
- ^ Cp°, -6.7 J · K−1 · mol−1
- ^ ΔfH°, -467.85 kJ · mol−1
- ^ ΔfG°, -367.00 kJ · mol−1
- ^ S°, 116.52 J · K−1 · mol−1
- ^ Cp°, 92.88 J · K−1 · mol−1
- ^ ΔfH°, -447.48 kJ · mol−1
- ^ ΔfG°, -373.15 kJ · mol−1
- ^ S°, 205.4 J · K−1 · mol−1
- ^ Cp°, -40.2 J · K−1 · mol−1
- ^ ΔfH°, -46.11 kJ · mol−1
- ^ ΔfG°, -16.45 kJ · mol−1
- ^ S°, 192.45 J · K−1 · mol−1
- ^ Cp°, 35.06 J · K−1 · mol−1
- ^ ΔfH°, -80.29 kJ · mol−1
- ^ ΔfG°, -26.50 kJ · mol−1
- ^ S°, 111.3 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1