2CsOH + Li2O 🔥→ Cs2O + 2LiOH
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- Reaction of caesium hydroxide and lithium oxide
The reaction of caesium hydroxide and lithium oxide yields caesium oxide and lithium hydroxide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of caesium hydroxide and lithium oxide
General equation
- Hydroxide baseLewis base + Dehydrating basic oxideLewis acid ⟶ Basic oxide + Hydroxide baseLewis conjugate
Oxidation state of each atom
- Reaction of caesium hydroxide and lithium oxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CsOH | Caesium hydroxide | 2 | Lewis base | Hydroxide base |
| Li2O | Lithium oxide | 1 | Lewis acid | Dehydrating basic oxide |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cs2O | Caesium oxide | 1 | – | Basic oxide |
| LiOH | Lithium hydroxide | 2 | Lewis conjugate | Hydroxide base |
Thermodynamic changes
Changes in standard condition
- Reaction of caesium hydroxide and lithium 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 | 116.77 | – | – | – |
per 1 mol of | 58.385 | – | – | – |
per 1 mol of | 116.77 | – | – | – |
per 1 mol of | 116.77 | – | – | – |
per 1 mol of | 58.385 | – | – | – |
Changes in aqueous solution (1)
- Reaction of caesium hydroxide and lithium oxide◆
ΔrG 250.38 kJ/mol K 0.14 × 10−43 pK 43.86
| 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 | 211.75 | 250.38 | −129.71 | – |
per 1 mol of | 105.88 | 125.19 | −64.855 | – |
per 1 mol of | 211.75 | 250.38 | −129.71 | – |
per 1 mol of | 211.75 | 250.38 | −129.71 | – |
per 1 mol of | 105.88 | 125.19 | −64.855 | – |
Changes in aqueous solution (2)
- Reaction of caesium hydroxide and lithium oxide◆
ΔrG 247.9 kJ/mol K 0.37 × 10−43 pK 43.43
| 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 | 211.9 | 247.9 | −121.1 | – |
per 1 mol of | 106.0 | 124.0 | −60.55 | – |
per 1 mol of | 211.9 | 247.9 | −121.1 | – |
per 1 mol of | 211.9 | 247.9 | −121.1 | – |
per 1 mol of | 106.0 | 124.0 | −60.55 | – |
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 |
|---|---|---|---|---|
| CsOH (cr) | -417.23[1] | – | – | – |
| CsOH (g) | -247[1] | -247[1] | 254.83[1] | 49.71[1] |
| CsOH (ai) | -488.27[1] | -449.25[1] | 122.30[1] | – |
| CsOH (cr) 1 hydrate | -754.04[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, (g):Gas, (ai):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 |
|---|---|---|---|---|
| Cs2O (cr) | -345.77[1] | -308.14[1] | 146.86[1] | 75.98[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
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°, -417.23 kJ · mol−1
- ^ ΔfH°, -247. kJ · mol−1
- ^ ΔfG°, -247. kJ · mol−1
- ^ S°, 254.83 J · K−1 · mol−1
- ^ Cp°, 49.71 J · K−1 · mol−1
- ^ ΔfH°, -488.27 kJ · mol−1
- ^ ΔfG°, -449.25 kJ · mol−1
- ^ S°, 122.30 J · K−1 · mol−1
- ^ ΔfH°, -754.04 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
- ^ ΔfH°, -345.77 kJ · mol−1
- ^ ΔfG°, -308.14 kJ · mol−1
- ^ S°, 146.86 J · K−1 · mol−1
- ^ Cp°, 75.98 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