MgO + Cl2O7 → Mg(ClO4)2
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The reaction of magnesium oxide and dichlorine heptaoxide yields magnesium perchlorate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of magnesium oxide and dichlorine heptaoxide
General equation
- Reaction of basic oxide and acidic oxide
- Basic oxideLewis base + Acidic oxideLewis acid ⟶ Oxoacid saltLewis conjugate
- Reaction of strongly basic oxide and strongly acidic oxide
- Strongly basic oxideLewis base + Strongly acidic oxideLewis acid ⟶ Salt of strong acid and strong baseLewis conjugate
Oxidation state of each atom
- Reaction of magnesium oxide and dichlorine heptaoxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MgO | Magnesium oxide | 1 | Lewis base | Basic oxide Strongly basic oxide |
| Cl2O7 | Dichlorine heptaoxide | 1 | Lewis acid | Acidic oxide Strongly acidic oxide |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Mg(ClO4)2 | Magnesium perchlorate | 1 | Lewis conjugate | Oxoacid salt Salt of strong acid and strong base |
Thermodynamic changes
Changes in standard condition
- Reaction of magnesium oxide and dichlorine heptaoxide
| 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 | −209.0 | – | – | – |
per 1 mol of | −209.0 | – | – | – |
per 1 mol of | −209.0 | – | – | – |
per 1 mol of | −209.0 | – | – | – |
Changes in aqueous solution
- Reaction of magnesium oxide and dichlorine heptaoxide
| 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 | −365.6 | – | – | – |
per 1 mol of | −365.6 | – | – | – |
per 1 mol of | −365.6 | – | – | – |
per 1 mol of | −365.6 | – | – | – |
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 |
|---|---|---|---|---|
| MgO (cr) | -597.98[1] | -565.95[1] | 27.91[1] | 37.66[1] |
| MgO (g) | 17[1] | – | – | – |
| Cl2O7 (l) | 238.1[1] | – | – | – |
| Cl2O7 (g) | 272.0[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| Mg(ClO4)2 (cr) | -568.90[1] | – | – | – |
| Mg(ClO4)2 (ai) | -725.51[1] | -471.8[1] | 225.9[1] | – |
| Mg(ClO4)2 (cr) 2 hydrate | -1218.8[1] | – | – | – |
| Mg(ClO4)2 (cr) 4 hydrate | -1837.2[1] | – | – | – |
| Mg(ClO4)2 (cr) 6 hydrate | -2445.5[1] | -1862.7[1] | 520.9[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°, -597.98 kJ · mol−1
- ^ ΔfG°, -565.95 kJ · mol−1
- ^ S°, 27.91 J · K−1 · mol−1
- ^ Cp°, 37.66 J · K−1 · mol−1
- ^ ΔfH°, 17. kJ · mol−1
- ^ ΔfH°, 238.1 kJ · mol−1
- ^ ΔfH°, 272.0 kJ · mol−1
- ^ ΔfH°, -568.90 kJ · mol−1
- ^ ΔfH°, -725.51 kJ · mol−1
- ^ ΔfG°, -471.8 kJ · mol−1
- ^ S°, 225.9 J · K−1 · mol−1
- ^ ΔfH°, -1218.8 kJ · mol−1
- ^ ΔfH°, -1837.2 kJ · mol−1
- ^ ΔfH°, -2445.5 kJ · mol−1
- ^ ΔfG°, -1862.7 kJ · mol−1
- ^ S°, 520.9 J · K−1 · mol−1