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6Na + 4BaSO3 → 3Na2SO3 + BaS + 3BaO

The reaction of sodium and barium sulfite yields sodium sulfite, barium sulfide, and barium 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 reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of sodium and barium sulfite

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaSodium6
Reducing
Reducing
BaSO3Barium sulfite4
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na2SO3Sodium sulfite3
Oxidized
BaSBarium sulfide1
Reduced
BaOBarium oxide3

Thermodynamic changes

Changes in standard condition

Reaction of sodium and barium sulfite
6NaCrystalline solid + 4BaSO3Crystalline solid
3Na2SO3Crystalline solid + BaSCrystalline solid + 3BaOCrystalline 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
−705
per 1 mol of
−118
per 1 mol of
−176
per 1 mol of
−235
per 1 mol of
−705
per 1 mol of
−235

Changes in aqueous solution

Reaction of sodium and barium sulfite
6NaCrystalline solid + 4BaSO3Crystalline solid
3Na2SO3Ionized aqueous solution + BaSAqueous solution + 3BaOCrystalline 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
−783.4
per 1 mol of
−130.6
per 1 mol of
−195.8
per 1 mol of
−261.1
per 1 mol of
−783.4
per 1 mol of
−261.1

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]
BaSO3 (cr)-1179.5[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
Na2SO3 (cr)-1100.8[1]-1012.5[1]145.94[1]120.25[1]
Na2SO3 (ai)-1115.87[1]-1010.39[1]87.9[1]
Na2SO3 (cr)
7 hydrate
-3162.3[1]-2676.1[1]444[1]
BaS (cr)-460[1]-456[1]78.2[1]49.37[1]
BaS (g)50[1]
BaS (aq)-493.3[1]
BaO (cr)-553.5[1]-525.1[1]70.42[1]47.78[1]
BaO (g)-117[1]33.1[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (aq):Aqueous solution

References

List of references

  1. 1