SrCl2 + 4HNO3 → Sr(NO3)2 + Cl2↑ + 2NO2↑ + 2H2O
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- Reaction of strontium chloride and nitric acid
The reaction of strontium chloride and nitric acid yields strontium nitrate, , nitrogen 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 strontium chloride 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 strontium chloride and nitric acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SrCl2 | Strontium chloride | 1 | Reducing | Hardly oxidizable |
| HNO3 | Nitric acid | 4 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr(NO3)2 | Strontium nitrate | 1 | – | – |
| 1 | Oxidized | – | ||
| NO2 | Nitrogen dioxide | 2 | Reduced | – |
| H2O | Water | 2 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of strontium chloride and nitric acid◆
ΔrG −47.7 kJ/mol K 2.27 × 108 pK −8.36
| 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 | 41.8 | −47.7 | 300.32 | −106.28 |
per 1 mol of | 41.8 | −47.7 | 300.32 | −106.28 |
per 1 mol of | 10.4 | −11.9 | 75.080 | −26.570 |
per 1 mol of | 41.8 | −47.7 | 300.32 | −106.28 |
| 41.8 | −47.7 | 300.32 | −106.28 | |
per 1 mol of | 20.9 | −23.9 | 150.16 | −53.140 |
per 1 mol of | 20.9 | −23.9 | 150.16 | −53.140 |
Changes in aqueous solution (1)
- Reaction of strontium chloride and nitric acid◆
ΔrG 113.29 kJ/mol K 0.14 × 10−19 pK 19.85
| 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 | 243.72 | 113.29 | 437.3 | – |
per 1 mol of | 243.72 | 113.29 | 437.3 | – |
per 1 mol of | 60.930 | 28.323 | 109.3 | – |
per 1 mol of | 243.72 | 113.29 | 437.3 | – |
| 243.72 | 113.29 | 437.3 | – | |
per 1 mol of | 121.86 | 56.645 | 218.7 | – |
per 1 mol of | 121.86 | 56.645 | 218.7 | – |
Changes in aqueous solution (2)
- Reaction of strontium chloride and nitric acid◆
ΔrG 120.23 kJ/mol K 0.86 × 10−21 pK 21.06
| 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 | 220.3 | 120.23 | 335 | – |
per 1 mol of | 220.3 | 120.23 | 335 | – |
per 1 mol of | 55.08 | 30.058 | 83.8 | – |
per 1 mol of | 220.3 | 120.23 | 335 | – |
| 220.3 | 120.23 | 335 | – | |
per 1 mol of | 110.2 | 60.115 | 168 | – |
per 1 mol of | 110.2 | 60.115 | 168 | – |
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 |
|---|---|---|---|---|
| SrCl2 (cr) α | -828.9[1] | -781.1[1] | 114.85[1] | 75.60[1] |
| SrCl2 (g) | -485.8[1] | -496.2[1] | 310.81[1] | 55.77[1] |
| SrCl2 (ai) | -880.10[1] | -821.91[1] | 80.3[1] | – |
| SrCl2 (cr) 1 hydrate | -1136.8[1] | -1036.3[1] | 172[1] | 120.1[1] |
| SrCl2 (cr) 2 hydrate | -1438.0[1] | -1281.8[1] | 218[1] | 160.2[1] |
| SrCl2 (cr) 6 hydrate | -2623.8[1] | -2240.92[1] | 390.8[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 |
|---|---|---|---|---|
| Sr(NO3)2 (cr) | -978.22[1] | -780.02[1] | 194.56[1] | 149.91[1] |
| Sr(NO3)2 (ai) | -960.52[1] | -781.98[1] | 260.2[1] | – |
| Sr(NO3)2 (cr) 4 hydrate | -2154.8[1] | -1730.39[1] | 369.0[1] | – |
| (g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
| (ao) | -23.4[1] | 6.94[1] | 121[1] | – |
| NO2 (g) | 33.18[1] | 51.31[1] | 240.06[1] | 37.20[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, (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (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°, -828.9 kJ · mol−1
- ^ ΔfG°, -781.1 kJ · mol−1
- ^ S°, 114.85 J · K−1 · mol−1
- ^ Cp°, 75.60 J · K−1 · mol−1
- ^ ΔfH°, -485.8 kJ · mol−1
- ^ ΔfG°, -496.2 kJ · mol−1
- ^ S°, 310.81 J · K−1 · mol−1
- ^ Cp°, 55.77 J · K−1 · mol−1
- ^ ΔfH°, -880.10 kJ · mol−1
- ^ ΔfG°, -821.91 kJ · mol−1
- ^ S°, 80.3 J · K−1 · mol−1
- ^ ΔfH°, -1136.8 kJ · mol−1
- ^ ΔfG°, -1036.3 kJ · mol−1
- ^ S°, 172. J · K−1 · mol−1
- ^ Cp°, 120.1 J · K−1 · mol−1
- ^ ΔfH°, -1438.0 kJ · mol−1
- ^ ΔfG°, -1281.8 kJ · mol−1
- ^ S°, 218. J · K−1 · mol−1
- ^ Cp°, 160.2 J · K−1 · mol−1
- ^ ΔfH°, -2623.8 kJ · mol−1
- ^ ΔfG°, -2240.92 kJ · mol−1
- ^ S°, 390.8 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°, -978.22 kJ · mol−1
- ^ ΔfG°, -780.02 kJ · mol−1
- ^ S°, 194.56 J · K−1 · mol−1
- ^ Cp°, 149.91 J · K−1 · mol−1
- ^ ΔfH°, -960.52 kJ · mol−1
- ^ ΔfG°, -781.98 kJ · mol−1
- ^ S°, 260.2 J · K−1 · mol−1
- ^ ΔfH°, -2154.8 kJ · mol−1
- ^ ΔfG°, -1730.39 kJ · mol−1
- ^ S°, 369.0 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 223.066 J · K−1 · mol−1
- ^ Cp°, 33.907 J · K−1 · mol−1
- ^ ΔfH°, -23.4 kJ · mol−1
- ^ ΔfG°, 6.94 kJ · mol−1
- ^ S°, 121. 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°, -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