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2RbOH + Li2O → Rb2O + 2LiOH

The reaction of rubidium hydroxide and lithium oxide yields rubidium oxide and lithium hydroxide. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

General equation

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
RbOHRubidium hydroxide2
Lewis base
Hydroxide base
Li2OLithium oxide1
Lewis acid
Dehydrating basic oxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
Rb2ORubidium oxide1
Basic oxide
LiOHLithium hydroxide2
Lewis conjugate
Hydroxide base

Thermodynamic changes

Changes in standard condition

Reaction of rubidium hydroxide and lithium oxide
2RbOHCrystalline solid + Li2OCrystalline solid
Rb2OCrystalline solid + 2LiOHCrystalline solid
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
125
per 1 mol of
62.5
per 1 mol of
125
per 1 mol of
125
per 1 mol of
62.5

Changes in aqueous solution (1)

Reaction of rubidium hydroxide and lithium oxide
2RbOHIonized aqueous solution + Li2OCrystalline solid
Rb2OCrystalline solid + 2LiOHIonized aqueous solution
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
204
per 1 mol of
102
per 1 mol of
204
per 1 mol of
204
per 1 mol of
102

Changes in aqueous solution (2)

Reaction of rubidium hydroxide and lithium oxide
2RbOHIonized aqueous solution + Li2OCrystalline solid
Rb2OCrystalline solid + 2LiOHUn-ionized aqueous solution
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
204
per 1 mol of
102
per 1 mol of
204
per 1 mol of
204
per 1 mol of
102

Thermodynamic data of reactants

Chemical formulaStandard 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
RbOH (cr)-418.19[1]
RbOH (g)-238[1]
RbOH (ai)-481.16[1]-441.21[1]110.75[1]
RbOH (cr)
1 hydrate
-748.85[1]
RbOH (cr)
2 hydrate
-1053.24[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 formulaStandard 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
Rb2O (cr)-339[1]
Rb2O (g)-50[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

  1. 1