Mg + MnO → MgO + Mn
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- Reaction of and manganese(II) oxide
The reaction of and manganese(II) oxide yields magnesium oxide and . This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of and manganese(II) oxide
General equation
- Reaction of reducing species and hardly reducible species
- Reducing speciesReducing agent + Hardly reducible speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and manganese(II) oxide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
1 | Reducing | Reducing | ||
MnO | Manganese(II) oxide | 1 | Oxidizing | Hardly reducible |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
MgO | Magnesium oxide | 1 | Oxidized | – |
1 | Reduced | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of and manganese(II) oxide◆
ΔrG −203.05 kJ/mol K 3.74 × 1035 pK −35.57
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 | −212.76 | −203.05 | −32.47 | −6.35 |
−212.76 | −203.05 | −32.47 | −6.35 | |
per 1 mol of | −212.76 | −203.05 | −32.47 | −6.35 |
per 1 mol of | −212.76 | −203.05 | −32.47 | −6.35 |
−212.76 | −203.05 | −32.47 | −6.35 |
Changes in standard condition (2)
- Reaction of and manganese(II) oxide
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 | – | – | −30.09 | −6.14 |
– | – | −30.09 | −6.14 | |
per 1 mol of | – | – | −30.09 | −6.14 |
per 1 mol of | – | – | −30.09 | −6.14 |
– | – | −30.09 | −6.14 |
Changes in standard condition (3)
- Reaction of and manganese(II) oxide◆
ΔrG −201.63 kJ/mol K 2.11 × 1035 pK −35.32
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 | −211.21 | −201.63 | −32.05 | −5.10 |
−211.21 | −201.63 | −32.05 | −5.10 | |
per 1 mol of | −211.21 | −201.63 | −32.05 | −5.10 |
per 1 mol of | −211.21 | −201.63 | −32.05 | −5.10 |
−211.21 | −201.63 | −32.05 | −5.10 |
Changes in aqueous solution
- Reaction of and manganese(II) oxide◆
ΔrG −203.05 kJ/mol K 3.74 × 1035 pK −35.57
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 | −212.76 | −203.05 | −32.47 | −6.35 |
−212.76 | −203.05 | −32.47 | −6.35 | |
per 1 mol of | −212.76 | −203.05 | −32.47 | −6.35 |
per 1 mol of | −212.76 | −203.05 | −32.47 | −6.35 |
−212.76 | −203.05 | −32.47 | −6.35 |
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] | 32.68[1] | 24.89[1] |
(g) | 147.70[1] | 113.10[1] | 148.650[1] | 20.786[1] |
MnO (cr) | -385.22[1] | -362.90[1] | 59.71[1] | 45.44[1] |
MnO (g) | 124.22[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 |
---|---|---|---|---|
MgO (cr) | -597.98[1] | -565.95[1] | 27.91[1] | 37.66[1] |
MgO (g) | 17[1] | – | – | – |
(cr) α | 0[1] | 0[1] | 32.01[1] | 26.32[1] |
(cr) β | – | – | 34.39[1] | 26.53[1] |
(cr) γ | 1.55[1] | 1.42[1] | 32.43[1] | 27.57[1] |
(g) | 280.7[1] | 238.5[1] | 173.70[1] | 20.79[1] |
* (cr):Crystalline solid, (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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 32.68 J · K−1 · mol−1
- ^ Cp°, 24.89 J · K−1 · mol−1
- ^ ΔfH°, 147.70 kJ · mol−1
- ^ ΔfG°, 113.10 kJ · mol−1
- ^ S°, 148.650 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -385.22 kJ · mol−1
- ^ ΔfG°, -362.90 kJ · mol−1
- ^ S°, 59.71 J · K−1 · mol−1
- ^ Cp°, 45.44 J · K−1 · mol−1
- ^ ΔfH°, 124.22 kJ · mol−1
- ^ 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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 32.01 J · K−1 · mol−1
- ^ Cp°, 26.32 J · K−1 · mol−1
- ^ S°, 34.39 J · K−1 · mol−1
- ^ Cp°, 26.53 J · K−1 · mol−1
- ^ ΔfH°, 1.55 kJ · mol−1
- ^ ΔfG°, 1.42 kJ · mol−1
- ^ S°, 32.43 J · K−1 · mol−1
- ^ Cp°, 27.57 J · K−1 · mol−1
- ^ ΔfH°, 280.7 kJ · mol−1
- ^ ΔfG°, 238.5 kJ · mol−1
- ^ S°, 173.70 J · K−1 · mol−1
- ^ Cp°, 20.79 J · K−1 · mol−1