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Cs2O + N2O5 → 2CsNO3

The reaction of caesium oxide and dinitrogen pentaoxide yields caesium nitrate. 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
Cs2OCaesium oxide1
Lewis base
Basic oxide
Strongly basic oxide
N2O5Dinitrogen pentaoxide1
Lewis acid
Acidic oxide
Strongly acidic oxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
CsNO3Caesium nitrate2
Lewis conjugate
Oxoacid salt
Salt of strong acid and strong base

Thermodynamic changes

Changes in standard condition

Reaction of caesium oxide and dinitrogen pentaoxide
ΔrG−618.8 kJ/mol
K2.56 × 10108
pK−108.41
Cs2OCrystalline solid + N2O5Crystalline solid
2CsNO3Crystalline 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
−623.1−618.8−14.7
per 1 mol of
−623.1−618.8−14.7
−623.1−618.8−14.7
per 1 mol of
−311.6−309.4−7.35

Changes in aqueous solution

Reaction of caesium oxide and dinitrogen pentaoxide
ΔrG−612.3 kJ/mol
K1.86 × 10107
pK−107.27
Cs2OCrystalline solid + N2O5Crystalline solid
2CsNO3Ionized 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
−542.4−612.3233.9−417
per 1 mol of
−542.4−612.3233.9−417
−542.4−612.3233.9−417
per 1 mol of
−271.2−306.1117.0−209

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
Cs2O (cr)-345.77[1]-308.14[1]146.86[1]75.98[1]
N2O5 (cr)-43.1[1]113.9[1]178.2[1]143.1[1]
N2O5 (g)11.3[1]115.1[1]355.7[1]84.5[1]
* (cr):Crystalline solid, (g):Gas

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
CsNO3 (cr)-505.97[1]-406.54[1]155.2[1]
CsNO3 (g)-374.0[1]
CsNO3 (ai)-465.64[1]-403.27[1]279.5[1]-99[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution

References

List of references

  1. 1