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2Na + Cd(NO3)2 → NaNO2 + NaNO3 + CdO

The reaction of sodium and cadmium nitrate yields sodium nitrite, sodium nitrate, and cadmium 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

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 cadmium nitrate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaSodium2
Reducing
Reducing
Cd(NO3)2Cadmium nitrate1
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaNO2Sodium nitrite1
Redoxed product
NaNO3Sodium nitrate1
Oxidized
CdOCadmium oxide1

Thermodynamic changes

Changes in standard condition

Reaction of sodium and cadmium nitrate
2NaCrystalline solid + Cd(NO3)2Crystalline solid
NaNO2Crystalline solid + NaNO3Crystalline solid + CdOCrystalline 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
−628.4
per 1 mol of
−314.2
per 1 mol of
−628.4
per 1 mol of
−628.4
per 1 mol of
−628.4
per 1 mol of
−628.4

Changes in aqueous solution

Reaction of sodium and cadmium nitrate
ΔrG−595.5 kJ/mol
K2.12 × 10104
pK−104.33
2NaCrystalline solid + Cd(NO3)2Ionized aqueous solution
NaNO2Ionized aqueous solution + NaNO3Ionized aqueous solution + CdOCrystalline 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
−559.9−595.5120.1
per 1 mol of
−279.9−297.860.05
per 1 mol of
−559.9−595.5120.1
per 1 mol of
−559.9−595.5120.1
per 1 mol of
−559.9−595.5120.1
per 1 mol of
−559.9−595.5120.1

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]
Cd(NO3)2 (cr)-456.31[1]
Cd(NO3)2 (ai)-490.62[1]-300.11[1]219.7[1]
Cd(NO3)2 (cr)
2 hydrate
-1055.62[1]
Cd(NO3)2 (cr)
4 hydrate
-1648.96[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]
NaNO3 (cr)-467.85[1]-367.00[1]116.52[1]92.88[1]
NaNO3 (ai)-447.48[1]-373.15[1]205.4[1]-40.2[1]
CdO (cr)-258.2[1]-228.4[1]54.8[1]43.43[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution

References

List of references

  1. 1