Mg(OH)2 + Cl2O7 → Mg(ClO4)2 + H2O
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The reaction of magnesium hydroxide and dichlorine heptaoxide yields magnesium perchlorate and water. This reaction is an acid-base reaction and is classified as follows:
- Reaction of base and acidic oxide
- Reaction of hydroxide base and acidic oxide
- Reaction of strong hydroxide base and strongly acidic oxide
Table of contents
Reaction data
Chemical equation
- Reaction of magnesium hydroxide and dichlorine heptaoxide
General equation
- Reaction of base and acidic oxide
- BaseLewis base + Acidic oxideLewis acid + H2O ⟶ Oxoacid saltLewis conjugate + (H2O)
- Reaction of hydroxide base and acidic oxide
- Hydroxide baseLewis base + Acidic oxideLewis acid ⟶ Oxoacid saltLewis conjugate + H2O
- Reaction of strong hydroxide base and strongly acidic oxide
- Strong hydroxide baseLewis base + Strongly acidic oxideLewis acid ⟶ Salt of strong acid and strong baseLewis conjugate + H2O
Oxidation state of each atom
- Reaction of magnesium hydroxide and dichlorine heptaoxide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Mg(OH)2 | Magnesium hydroxide | 1 | Lewis base | Base Hydroxide base Strong hydroxide base |
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 |
H2O | Water | 1 | – | Water |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of magnesium hydroxide 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 | −168.3 | – | – | – |
per 1 mol of | −168.3 | – | – | – |
per 1 mol of | −168.3 | – | – | – |
per 1 mol of | −168.3 | – | – | – |
per 1 mol of | −168.3 | – | – | – |
Changes in standard condition (2)
- Reaction of magnesium hydroxide 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 | −172.3 | – | – | – |
per 1 mol of | −172.3 | – | – | – |
per 1 mol of | −172.3 | – | – | – |
per 1 mol of | −172.3 | – | – | – |
per 1 mol of | −172.3 | – | – | – |
Changes in aqueous solution (1)
- Reaction of magnesium hydroxide 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 | −324.9 | – | – | – |
per 1 mol of | −324.9 | – | – | – |
per 1 mol of | −324.9 | – | – | – |
per 1 mol of | −324.9 | – | – | – |
per 1 mol of | −324.9 | – | – | – |
Changes in aqueous solution (2)
- Reaction of magnesium hydroxide 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 | −328.9 | – | – | – |
per 1 mol of | −328.9 | – | – | – |
per 1 mol of | −328.9 | – | – | – |
per 1 mol of | −328.9 | – | – | – |
per 1 mol of | −328.9 | – | – | – |
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 |
---|---|---|---|---|
Mg(OH)2 (cr) | -924.54[1] | -833.51[1] | 63.18[1] | 77.03[1] |
Mg(OH)2 (am) precipitated | -920.5[1] | – | – | – |
Mg(OH)2 (g) | -561[1] | – | – | – |
Mg(OH)2 (ai) | -926.84[1] | -769.4[1] | -159.4[1] | – |
Cl2O7 (l) | 238.1[1] | – | – | – |
Cl2O7 (g) | 272.0[1] | – | – | – |
* (cr):Crystalline solid, (am):Amorphous 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 |
---|---|---|---|---|
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] | – |
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, (l):Liquid, (g):Gas
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°, -924.54 kJ · mol−1
- ^ ΔfG°, -833.51 kJ · mol−1
- ^ S°, 63.18 J · K−1 · mol−1
- ^ Cp°, 77.03 J · K−1 · mol−1
- ^ ΔfH°, -920.5 kJ · mol−1
- ^ ΔfH°, -561. kJ · mol−1
- ^ ΔfH°, -926.84 kJ · mol−1
- ^ ΔfG°, -769.4 kJ · mol−1
- ^ S°, -159.4 J · K−1 · 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
- ^ 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