CdO + N2O5 → Cd(NO3)2
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The reaction of cadmium oxide and dinitrogen pentaoxide yields cadmium nitrate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of cadmium oxide and dinitrogen pentaoxide
General equation
- Reaction of basic oxide and acidic oxide
- Basic oxideLewis base + Acidic oxideLewis acid ⟶ Oxoacid saltLewis conjugate
- Reaction of weakly basic oxide and strongly acidic oxide
- Weakly basic oxideLewis base + Strongly acidic oxideLewis acid ⟶ Salt of strong acid and weak baseLewis conjugate
Oxidation state of each atom
- Reaction of cadmium oxide and dinitrogen pentaoxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CdO | Cadmium oxide | 1 | Lewis base | Basic oxide Weakly basic oxide |
| N2O5 | Dinitrogen pentaoxide | 1 | Lewis acid | Acidic oxide Strongly acidic oxide |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cd(NO3)2 | Cadmium nitrate | 1 | Lewis conjugate | Oxoacid salt Salt of strong acid and weak base |
Thermodynamic changes
Changes in standard condition
- Reaction of cadmium oxide and dinitrogen pentaoxide
| 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 | −155.0 | – | – | – |
per 1 mol of | −155.0 | – | – | – |
per 1 mol of | −155.0 | – | – | – |
per 1 mol of | −155.0 | – | – | – |
Changes in aqueous solution
- Reaction of cadmium oxide and dinitrogen pentaoxide◆
ΔrG −185.6 kJ/mol K 3.28 × 1032 pK −32.52
| 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 | −189.3 | −185.6 | −13.3 | – |
per 1 mol of | −189.3 | −185.6 | −13.3 | – |
per 1 mol of | −189.3 | −185.6 | −13.3 | – |
per 1 mol of | −189.3 | −185.6 | −13.3 | – |
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 |
|---|---|---|---|---|
| CdO (cr) | -258.2[1] | -228.4[1] | 54.8[1] | 43.43[1] |
| N2O5 (cr) | -43.1[1] | 113.9[1] | 178.2[1] | 143.1[1] |
| N2O5 (g) | 11.3[1] | 115.1[1] | 355.7[1] | 84.5[1] |
* (cr):Crystalline solid, (g):Gas
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 |
|---|---|---|---|---|
| Cd(NO3)2 (cr) | -456.31[1] | – | – | – |
| Cd(NO3)2 (ai) | -490.62[1] | -300.11[1] | 219.7[1] | – |
| Cd(NO3)2 (cr) 2 hydrate | -1055.62[1] | – | – | – |
| Cd(NO3)2 (cr) 4 hydrate | -1648.96[1] | – | – | – |
* (cr):Crystalline solid, (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°, -258.2 kJ · mol−1
- ^ ΔfG°, -228.4 kJ · mol−1
- ^ S°, 54.8 J · K−1 · mol−1
- ^ Cp°, 43.43 J · K−1 · mol−1
- ^ ΔfH°, -43.1 kJ · mol−1
- ^ ΔfG°, 113.9 kJ · mol−1
- ^ S°, 178.2 J · K−1 · mol−1
- ^ Cp°, 143.1 J · K−1 · mol−1
- ^ ΔfH°, 11.3 kJ · mol−1
- ^ ΔfG°, 115.1 kJ · mol−1
- ^ S°, 355.7 J · K−1 · mol−1
- ^ Cp°, 84.5 J · K−1 · mol−1
- ^ ΔfH°, -456.31 kJ · mol−1
- ^ ΔfH°, -490.62 kJ · mol−1
- ^ ΔfG°, -300.11 kJ · mol−1
- ^ S°, 219.7 J · K−1 · mol−1
- ^ ΔfH°, -1055.62 kJ · mol−1
- ^ ΔfH°, -1648.96 kJ · mol−1