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Rb2O + CO2 → Rb2CO3

The reaction of rubidium oxide and carbon dioxide yields rubidium carbonate. 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
Rb2ORubidium oxide1
Lewis base
Basic oxide
Strongly basic oxide
CO2Carbon dioxide1
Lewis acid
Acidic oxide
Weakly acidic oxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
Rb2CO3Rubidium carbonate1
Lewis conjugate
Oxoacid salt
Salt of weak acid and strong base

Thermodynamic changes

Changes in standard condition

Reaction of rubidium oxide and carbon dioxide
Rb2OCrystalline solid + CO2Gas
Rb2CO3Crystalline 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
−403
per 1 mol of
−403
per 1 mol of
−403
per 1 mol of
−403

Changes in aqueous solution

Reaction of rubidium oxide and carbon dioxide
Rb2OCrystalline solid + CO2Un-ionized aqueous solution
Rb2CO3Ionized 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
−427
per 1 mol of
−427
per 1 mol of
−427
per 1 mol of
−427

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
Rb2O (cr)-339[1]
Rb2O (g)-50[1]
CO2 (g)-393.509[1]-394.359[1]213.74[1]37.11[1]
CO2 (ao)-413.80[1]-385.98[1]117.6[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-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
Rb2CO3 (cr)-1136.0[1]-1051.0[1]181.33[1]117.61[1]
Rb2CO3 (ai)-1179.47[1]-1095.78[1]186.2[1]
Rb2CO3 (cr)
1 hydrate
-1448.5[1]
Rb2CO3 (cr)
1.5 hydrate
-1604.5[1]
Rb2CO3 (cr)
3 hydrate
-2048.1[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution

References

List of references

  1. 1