MnCl2 + Li2S 💧→ MnS↓ + 2LiCl
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The reaction of manganese(II) chloride and lithium sulfide yields manganese(II) sulfide and lithium chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of manganese(II) chloride and lithium sulfide
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base💧⟶ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of manganese(II) chloride and lithium sulfide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MnCl2 | Manganese(II) chloride | 1 | Lewis acid | Very soluble in water |
| Li2S | Lithium sulfide | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MnS | Manganese(II) sulfide | 1 | Lewis conjugate | Insoluble in water |
| LiCl | Lithium chloride | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of manganese(II) chloride and lithium sulfide
| 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 | −108.7 | – | – | – |
per 1 mol of | −108.7 | – | – | – |
per 1 mol of | −108.7 | – | – | – |
per 1 mol of | −108.7 | – | – | – |
per 1 mol of | −54.35 | – | – | – |
Changes in standard condition (2)
- Reaction of manganese(II) chloride and lithium sulfide
| 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 | −108.3 | – | – | – |
per 1 mol of | −108.3 | – | – | – |
per 1 mol of | −108.3 | – | – | – |
per 1 mol of | −108.3 | – | – | – |
per 1 mol of | −54.15 | – | – | – |
Changes in aqueous solution (1)
- Reaction of manganese(II) chloride and lithium sulfide
| 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 | −109.0 | – | – | – |
per 1 mol of | −109.0 | – | – | – |
per 1 mol of | −109.0 | – | – | – |
per 1 mol of | −109.0 | – | – | – |
per 1 mol of | −54.50 | – | – | – |
Changes in aqueous solution (2)
- Reaction of manganese(II) chloride and lithium sulfide
| 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 | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
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 |
|---|---|---|---|---|
| MnCl2 (cr) | -481.29[1] | -440.50[1] | 118.24[1] | 72.93[1] |
| MnCl2 (g) | -263.6[1] | – | – | – |
| MnCl2 (ai) | -555.05[1] | -490.8[1] | 38.9[1] | -222[1] |
| MnCl2 (ao) | – | -492.0[1] | – | – |
| MnCl2 (cr) 1 hydrate | -789.9[1] | -696.1[1] | 174.1[1] | – |
| MnCl2 (cr) 2 hydrate | -1092.0[1] | -942.1[1] | 218.8[1] | – |
| MnCl2 (cr) 4 hydrate | -1687.4[1] | -1423.6[1] | 303.3[1] | – |
| Li2S (cr) | -441.4[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution
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 |
|---|---|---|---|---|
| MnS (cr) green | -214.2[1] | -218.4[1] | 78.2[1] | 49.96[1] |
| MnS (am) precipitated, pink | -213.8[1] | – | – | – |
| LiCl (cr) | -408.61[1] | -384.37[1] | 59.33[1] | 47.99[1] |
| LiCl (g) | -195.4[1] | -216.7[1] | 212.824[1] | 33.22[1] |
| LiCl (ai) | -445.64[1] | -424.58[1] | 69.9[1] | -67.8[1] |
| LiCl (cr) 1 hydrate | -712.58[1] | -631.80[1] | 102.84[1] | – |
| LiCl (cr) 2 hydrate | -1012.65[1] | – | – | – |
| LiCl (cr) 3 hydrate | -1311.3[1] | – | – | – |
* (cr):Crystalline solid, (am):Amorphous solid, (g):Gas, (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°, -481.29 kJ · mol−1
- ^ ΔfG°, -440.50 kJ · mol−1
- ^ S°, 118.24 J · K−1 · mol−1
- ^ Cp°, 72.93 J · K−1 · mol−1
- ^ ΔfH°, -263.6 kJ · mol−1
- ^ ΔfH°, -555.05 kJ · mol−1
- ^ ΔfG°, -490.8 kJ · mol−1
- ^ S°, 38.9 J · K−1 · mol−1
- ^ Cp°, -222. J · K−1 · mol−1
- ^ ΔfG°, -492.0 kJ · mol−1
- ^ ΔfH°, -789.9 kJ · mol−1
- ^ ΔfG°, -696.1 kJ · mol−1
- ^ S°, 174.1 J · K−1 · mol−1
- ^ ΔfH°, -1092.0 kJ · mol−1
- ^ ΔfG°, -942.1 kJ · mol−1
- ^ S°, 218.8 J · K−1 · mol−1
- ^ ΔfH°, -1687.4 kJ · mol−1
- ^ ΔfG°, -1423.6 kJ · mol−1
- ^ S°, 303.3 J · K−1 · mol−1
- ^ ΔfH°, -441.4 kJ · mol−1
- ^ ΔfH°, -214.2 kJ · mol−1
- ^ ΔfG°, -218.4 kJ · mol−1
- ^ S°, 78.2 J · K−1 · mol−1
- ^ Cp°, 49.96 J · K−1 · mol−1
- ^ ΔfH°, -213.8 kJ · mol−1
- ^ ΔfH°, -408.61 kJ · mol−1
- ^ ΔfG°, -384.37 kJ · mol−1
- ^ S°, 59.33 J · K−1 · mol−1
- ^ Cp°, 47.99 J · K−1 · mol−1
- ^ ΔfH°, -195.4 kJ · mol−1
- ^ ΔfG°, -216.7 kJ · mol−1
- ^ S°, 212.824 J · K−1 · mol−1
- ^ Cp°, 33.22 J · K−1 · mol−1
- ^ ΔfH°, -445.64 kJ · mol−1
- ^ ΔfG°, -424.58 kJ · mol−1
- ^ S°, 69.9 J · K−1 · mol−1
- ^ Cp°, -67.8 J · K−1 · mol−1
- ^ ΔfH°, -712.58 kJ · mol−1
- ^ ΔfG°, -631.80 kJ · mol−1
- ^ S°, 102.84 J · K−1 · mol−1
- ^ ΔfH°, -1012.65 kJ · mol−1
- ^ ΔfH°, -1311.3 kJ · mol−1