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2H2 + Ba(HCO3)2 🔥→ BaO + 2CO + 3H2O

The reaction of hydrogen and barium hydrogencarbonate yields barium oxide, carbon monoxide, and water (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

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2Hydrogen2
Reducing
Reducing
Ba(HCO3)2Barium hydrogencarbonate1
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
BaOBarium oxide1
COCarbon monoxide2
Reduced
H2OWater3
Oxidized

Thermodynamic changes

Changes in standard condition (1)

Reaction of hydrogen and barium hydrogencarbonate
ΔrG188.3 kJ/mol
K0.10 × 10−32
pK32.99
2H2Un-ionized aqueous solution + Ba(HCO3)2Ionized aqueous solution
🔥
BaOCrystalline solid + 2COGas + 3H2OLiquid
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
298.0188.3−671
per 1 mol of
149.094.15−336
298.0188.3−671
per 1 mol of
298.0188.3−671
per 1 mol of
149.094.15−336
per 1 mol of
99.3362.77−224

Changes in standard condition (2)

Reaction of hydrogen and barium hydrogencarbonate
ΔrG222.8 kJ/mol
K0.93 × 10−39
pK39.03
2H2Un-ionized aqueous solution + Ba(HCO3)2Ionized aqueous solution
🔥
BaOCrystalline solid + 2COUn-ionized aqueous solution + 3H2OLiquid
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
277.1222.8−857
per 1 mol of
138.6111.4−429
277.1222.8−857
per 1 mol of
277.1222.8−857
per 1 mol of
138.6111.4−429
per 1 mol of
92.3774.27−286

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
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]
Ba(HCO3)2 (ai)-1921.63[1]-1734.30[1]192.0[1]
* (g):Gas, (ao):Un-ionized aqueous solution, (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
BaO (cr)-553.5[1]-525.1[1]70.42[1]47.78[1]
BaO (g)-117[1]33.1[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]
H2O (cr)
H2O (l)-285.830[1]-237.129[1]69.91[1]75.291[1]
H2O (g)-241.818[1]-228.572[1]188.825[1]33.577[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution, (l):Liquid

References

List of references

  1. 1