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4Na + Ba(HCO3)2 → 2Na2O + BaCO3 + CO↑ + H2↑

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Reaction of sodium and barium hydrogencarbonate
4NaSodium + Ba(HCO3)2Barium hydrogencarbonate
⟶
2Na2OSodium oxide + BaCO3Barium carbonate + CO↑Carbon monoxide + H2↑Hydrogen

The reaction of sodium and barium hydrogencarbonate yields sodium oxide, barium carbonate, carbon monoxide, and hydrogen (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 barium hydrogencarbonate
4NaSodium + Ba(HCO3)2Barium hydrogencarbonate
⟶
2Na2OSodium oxide + BaCO3Barium carbonate + CO↑Carbon monoxide + H2↑Hydrogen

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 hydrogencarbonate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaSodium4
Reducing
Reducing
Ba(HCO3)2Barium hydrogencarbonate1
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na2OSodium oxide2
Oxidized
–
BaCO3Barium carbonate1
–
–
COCarbon monoxide1
Reduced
–
H2Hydrogen1
Reduced
–

Thermodynamic changes

Changes in standard condition (1)

Reaction of sodium and barium hydrogencarbonate
◆
ΔrG−291.4 kJ/mol
K1.12 × 1051
pK−51.05
4NaCrystalline solid + Ba(HCO3)2Ionized aqueous solution
⟶
2Na2OCrystalline solid + BaCO3Crystalline solid + CO↑Gas + H2↑Gas
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
−233.6−291.4193.7–
per 1 mol of
−58.40−72.8548.42–
−233.6−291.4193.7–
per 1 mol of
−116.8−145.796.85–
per 1 mol of
−233.6−291.4193.7–
per 1 mol of
−233.6−291.4193.7–
per 1 mol of
−233.6−291.4193.7–

Changes in standard condition (2)

Reaction of sodium and barium hydrogencarbonate
◆
ΔrG−273.8 kJ/mol
K9.28 × 1047
pK−47.97
4NaCrystalline solid + Ba(HCO3)2Ionized aqueous solution
⟶
2Na2OCrystalline solid + BaCO3Crystalline solid + CO↑Gas + H2↑Un-ionized 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
−237.8−273.8640–
per 1 mol of
−59.45−68.45160–
−237.8−273.8640–
per 1 mol of
−118.9−136.9320–
per 1 mol of
−237.8−273.8640–
per 1 mol of
−237.8−273.8640–
per 1 mol of
−237.8−273.8640–

Changes in standard condition (3)

Reaction of sodium and barium hydrogencarbonate
◆
ΔrG−274.1 kJ/mol
K1.05 × 1048
pK−48.02
4NaCrystalline solid + Ba(HCO3)2Ionized aqueous solution
⟶
2Na2OCrystalline solid + BaCO3Crystalline solid + CO↑Un-ionized aqueous solution + H2↑Gas
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
−244.1−274.1100.7–
per 1 mol of
−61.02−68.5325.18–
−244.1−274.1100.7–
per 1 mol of
−122.0−137.150.35–
per 1 mol of
−244.1−274.1100.7–
per 1 mol of
−244.1−274.1100.7–
per 1 mol of
−244.1−274.1100.7–

Changes in standard condition (4)

Reaction of sodium and barium hydrogencarbonate
◆
ΔrG−256.5 kJ/mol
K8.65 × 1044
pK−44.94
4NaCrystalline solid + Ba(HCO3)2Ionized aqueous solution
⟶
2Na2OCrystalline solid + BaCO3Crystalline solid + CO↑Un-ionized aqueous solution + H2↑Un-ionized 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
−248.3−256.5547–
per 1 mol of
−62.08−64.13137–
−248.3−256.5547–
per 1 mol of
−124.2−128.3274–
per 1 mol of
−248.3−256.5547–
per 1 mol of
−248.3−256.5547–
per 1 mol of
−248.3−256.5547–

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]
Ba(HCO3)2 (ai)-1921.63[1]-1734.30[1]192.0[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
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]
BaCO3 (cr)-1216.3[1]-1137.6[1]112.1[1]85.35[1]
BaCO3 (ai)-1214.78[1]-1088.59[1]-47.3[1]–
CO (g)-110.525[1]-137.168[1]197.674[1]29.142[1]
CO (ao)-120.96[1]-119.90[1]104.6[1]–
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]–
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

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)