16Al + 24LiOH → 6Li[AlH4] + 5Al2O3 + 9Li2O
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- Reaction of and lithium hydroxide
The reaction of and lithium hydroxide yields lithium tetrahydridoaluminate, aluminium oxide, and lithium oxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of and lithium hydroxide
General equation
- Reaction of reducing species and reducible species
- Reducing speciesReducing agent + Reducible speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and lithium hydroxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 16 | Reducing | Reducing | ||
| LiOH | Lithium hydroxide | 24 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Li[AlH4] | Lithium tetrahydridoaluminate | 6 | Redoxed product | – |
| Al2O3 | Aluminium oxide | 5 | Oxidized | – |
| Li2O | Lithium oxide | 9 | – | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of and lithium hydroxide◆
ΔrG −2695.5 kJ/mol K 1.70 × 10472 pK −472.23
| 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 | −2819.4 | −2695.5 | −415.31 | −200.26 |
| −176.21 | −168.47 | −25.957 | −12.516 | |
per 1 mol of | −117.48 | −112.31 | −17.305 | −8.3442 |
per 1 mol of | −469.90 | −449.25 | −69.218 | −33.377 |
per 1 mol of | −563.88 | −539.10 | −83.062 | −40.052 |
per 1 mol of | −313.27 | −299.50 | −46.146 | −22.251 |
Changes in standard condition (2)
- Reaction of and lithium hydroxide
| 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 | −2773.4 | – | – | – |
| −173.34 | – | – | – | |
per 1 mol of | −115.56 | – | – | – |
per 1 mol of | −462.23 | – | – | – |
per 1 mol of | −554.68 | – | – | – |
per 1 mol of | −308.16 | – | – | – |
Changes in standard condition (3)
- Reaction of and lithium hydroxide
| 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 | −2726 | – | – | – |
| −170.4 | – | – | – | |
per 1 mol of | −113.6 | – | – | – |
per 1 mol of | −454.3 | – | – | – |
per 1 mol of | −545.2 | – | – | – |
per 1 mol of | −302.9 | – | – | – |
Changes in standard condition (4)
- Reaction of and lithium hydroxide
| 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 | −2752.4 | – | – | – |
| −172.03 | – | – | – | |
per 1 mol of | −114.68 | – | – | – |
per 1 mol of | −458.73 | – | – | – |
per 1 mol of | −550.48 | – | – | – |
per 1 mol of | −305.82 | – | – | – |
Changes in standard condition (5)
- Reaction of and lithium hydroxide
| 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 | −2725.4 | – | – | – |
| −170.34 | – | – | – | |
per 1 mol of | −113.56 | – | – | – |
per 1 mol of | −454.23 | – | – | – |
per 1 mol of | −545.08 | – | – | – |
per 1 mol of | −302.82 | – | – | – |
Changes in standard condition (6)
- Reaction of and lithium hydroxide
| 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 | −2601 | – | – | – |
| −162.6 | – | – | – | |
per 1 mol of | −108.4 | – | – | – |
per 1 mol of | −433.5 | – | – | – |
per 1 mol of | −520.2 | – | – | – |
per 1 mol of | −289.0 | – | – | – |
Changes in aqueous solution (1)
- Reaction of and lithium hydroxide◆
ΔrG −2416.4 kJ/mol K 2.16 × 10423 pK −423.33
| 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 | −2254.2 | −2416.4 | 544.69 | 2909.2 |
| −140.89 | −151.03 | 34.043 | 181.82 | |
per 1 mol of | −93.925 | −100.68 | 22.695 | 121.22 |
per 1 mol of | −375.70 | −402.73 | 90.782 | 484.87 |
per 1 mol of | −450.84 | −483.28 | 108.94 | 581.84 |
per 1 mol of | −250.47 | −268.49 | 60.521 | 323.24 |
Changes in aqueous solution (2)
- Reaction of and lithium hydroxide◆
ΔrG −2387.1 kJ/mol K 1.59 × 10418 pK −418.20
| 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 | −2256.2 | −2387.1 | 441.5 | – |
| −141.01 | −149.19 | 27.59 | – | |
per 1 mol of | −94.008 | −99.462 | 18.40 | – |
per 1 mol of | −376.03 | −397.85 | 73.58 | – |
per 1 mol of | −451.24 | −477.42 | 88.30 | – |
per 1 mol of | −250.69 | −265.23 | 49.06 | – |
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] | 28.33[1] | 24.35[1] |
| (g) | 326.4[1] | 285.7[1] | 164.54[1] | 21.38[1] |
| LiOH (cr) | -484.93[1] | -438.95[1] | 42.80[1] | 49.66[1] |
| LiOH (g) | -238.1[1] | -242.3[1] | 210.90[1] | 46.02[1] |
| LiOH (ai) | -508.48[1] | -450.58[1] | 2.80[1] | -79.9[1] |
| LiOH (ao) | -508.4[1] | -451.8[1] | 7.1[1] | – |
| LiOH (cr) 1 hydrate | -788.01[1] | -680.95[1] | 71.21[1] | 79.50[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 |
|---|---|---|---|---|
| Li[AlH4] (cr) | -116.3[1] | -44.7[1] | 78.74[1] | 83.18[1] |
| Al2O3 (cr) α, corundum | -1675.7[1] | -1582.3[1] | 50.92[1] | 79.04[1] |
| Al2O3 (cr) δ | -1666.5[1] | – | – | – |
| Al2O3 (cr) ρ | -1657[1] | – | – | – |
| Al2O3 (cr) κ | -1662.3[1] | – | – | – |
| Al2O3 (cr) γ | -1656.9[1] | – | – | – |
| Al2O3 (am) | -1632[1] | – | – | – |
| Al2O3 (cr) 1 hydrate | -1998.91[1] | -1841.78[1] | 70.67[1] | 106.19[1] |
| Al2O3 (cr) 3 hydrate | -2576.5[1] | – | – | – |
| Li2O (cr) | -597.94[1] | -561.18[1] | 37.57[1] | 54.10[1] |
| Li2O (g) | -160.7[1] | -181.6[1] | 231.48[1] | 49.83[1] |
* (cr):Crystalline solid, (am):Amorphous 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°, 28.33 J · K−1 · mol−1
- ^ Cp°, 24.35 J · K−1 · mol−1
- ^ ΔfH°, 326.4 kJ · mol−1
- ^ ΔfG°, 285.7 kJ · mol−1
- ^ S°, 164.54 J · K−1 · mol−1
- ^ Cp°, 21.38 J · K−1 · mol−1
- ^ ΔfH°, -484.93 kJ · mol−1
- ^ ΔfG°, -438.95 kJ · mol−1
- ^ S°, 42.80 J · K−1 · mol−1
- ^ Cp°, 49.66 J · K−1 · mol−1
- ^ ΔfH°, -238.1 kJ · mol−1
- ^ ΔfG°, -242.3 kJ · mol−1
- ^ S°, 210.90 J · K−1 · mol−1
- ^ Cp°, 46.02 J · K−1 · mol−1
- ^ ΔfH°, -508.48 kJ · mol−1
- ^ ΔfG°, -450.58 kJ · mol−1
- ^ S°, 2.80 J · K−1 · mol−1
- ^ Cp°, -79.9 J · K−1 · mol−1
- ^ ΔfH°, -508.4 kJ · mol−1
- ^ ΔfG°, -451.8 kJ · mol−1
- ^ S°, 7.1 J · K−1 · mol−1
- ^ ΔfH°, -788.01 kJ · mol−1
- ^ ΔfG°, -680.95 kJ · mol−1
- ^ S°, 71.21 J · K−1 · mol−1
- ^ Cp°, 79.50 J · K−1 · mol−1
- ^ ΔfH°, -116.3 kJ · mol−1
- ^ ΔfG°, -44.7 kJ · mol−1
- ^ S°, 78.74 J · K−1 · mol−1
- ^ Cp°, 83.18 J · K−1 · mol−1
- ^ ΔfH°, -1675.7 kJ · mol−1
- ^ ΔfG°, -1582.3 kJ · mol−1
- ^ S°, 50.92 J · K−1 · mol−1
- ^ Cp°, 79.04 J · K−1 · mol−1
- ^ ΔfH°, -1666.5 kJ · mol−1
- ^ ΔfH°, -1657. kJ · mol−1
- ^ ΔfH°, -1662.3 kJ · mol−1
- ^ ΔfH°, -1656.9 kJ · mol−1
- ^ ΔfH°, -1632. kJ · mol−1
- ^ ΔfH°, -1998.91 kJ · mol−1
- ^ ΔfG°, -1841.78 kJ · mol−1
- ^ S°, 70.67 J · K−1 · mol−1
- ^ Cp°, 106.19 J · K−1 · mol−1
- ^ ΔfH°, -2576.5 kJ · mol−1
- ^ ΔfH°, -597.94 kJ · mol−1
- ^ ΔfG°, -561.18 kJ · mol−1
- ^ S°, 37.57 J · K−1 · mol−1
- ^ Cp°, 54.10 J · K−1 · mol−1
- ^ ΔfH°, -160.7 kJ · mol−1
- ^ ΔfG°, -181.6 kJ · mol−1
- ^ S°, 231.48 J · K−1 · mol−1
- ^ Cp°, 49.83 J · K−1 · mol−1