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4Na + 2CsNO3 → 2NaNO2 + Na2O + Cs2O

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Reaction of sodium and caesium nitrate
4NaSodium + 2CsNO3Caesium nitrate
⟶
2NaNO2Sodium nitrite + Na2OSodium oxide + Cs2OCaesium oxide

The reaction of sodium and caesium nitrate yields sodium nitrite, sodium oxide, and caesium oxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reaction of sodium and caesium nitrate
4NaSodium + 2CsNO3Caesium nitrate
⟶
2NaNO2Sodium nitrite + Na2OSodium oxide + Cs2OCaesium oxide

General equation

Reaction of reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of sodium and caesium nitrate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaSodium4
Reducing
Reducing
CsNO3Caesium nitrate2
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaNO2Sodium nitrite2
Redoxed product
–
Na2OSodium oxide1
Oxidized
–
Cs2OCaesium oxide1
–
–

Thermodynamic changes

Changes in standard condition

Reaction of sodium and caesium nitrate
◆
ΔrG−439.62 kJ/mol
K1.04 × 1077
pK−77.02
4NaCrystalline solid + 2CsNO3Crystalline solid
⟶
2NaNO2Crystalline solid + Na2OCrystalline solid + Cs2OCrystalline 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
−465.35−439.62−85.7–
per 1 mol of
−116.34−109.91−21.4–
per 1 mol of
−232.68−219.81−42.9–
per 1 mol of
−232.68−219.81−42.9–
per 1 mol of
−465.35−439.62−85.7–
per 1 mol of
−465.35−439.62−85.7–

Changes in aqueous solution

Reaction of sodium and caesium nitrate
◆
ΔrG−465.3 kJ/mol
K3.29 × 1081
pK−81.52
4NaCrystalline solid + 2CsNO3Ionized aqueous solution
⟶
2NaNO2Ionized aqueous solution + Na2OCrystalline solid + Cs2OCrystalline 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
−518.3−465.3−177.9128
per 1 mol of
−129.6−116.3−44.4832.0
per 1 mol of
−259.1−232.7−88.9564.0
per 1 mol of
−259.1−232.7−88.9564.0
per 1 mol of
−518.3−465.3−177.9128
per 1 mol of
−518.3−465.3−177.9128

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
Na (cr)0[1]0[1]51.21[1]28.24[1]
Na (g)107.32[1]76.761[1]153.712[1]20.786[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

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
NaNO2 (cr)-358.65[1]-284.55[1]103.8[1]–
NaNO2 (ai)-344.8[1]-294.1[1]182.0[1]-51.0[1]
Na2O (cr)-414.22[1]-375.46[1]75.06[1]69.12[1]
Na2O (g)-35.6[1]-52.3[1]261.2[1]55.2[1]
Cs2O (cr)-345.77[1]-308.14[1]146.86[1]75.98[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)