You-iggy
  1. Home
  2. Chemical reactions
  3. 6H2S + 3BaCO3 → BaSO3 + 3SO2 + 2BaS + 3CH4

6H2S + 3BaCO3 → BaSO3 + 3SO2 + 2BaS + 3CH4

Last updated:
Reaction of hydrogen sulfide and barium carbonate
6H2SHydrogen sulfide + 3BaCO3Barium carbonate
⟶
BaSO3Barium sulfite + 3SO2Sulfur dioxide + 2BaSBarium sulfide + 3CH4Methane

The reaction of hydrogen sulfide and barium carbonate yields barium sulfite, sulfur dioxide, barium sulfide, and methane (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 hydrogen sulfide and barium carbonate
6H2SHydrogen sulfide + 3BaCO3Barium carbonate
⟶
BaSO3Barium sulfite + 3SO2Sulfur dioxide + 2BaSBarium sulfide + 3CH4Methane

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 hydrogen sulfide and barium carbonate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2SHydrogen sulfide6
Reducing
Reducing
BaCO3Barium carbonate3
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
BaSO3Barium sulfite1
Oxidized
–
SO2Sulfur dioxide3
Oxidized
–
BaSBarium sulfide2
–
–
CH4Methane3
Reduced
–

Thermodynamic changes

Changes in standard condition

Reaction of hydrogen sulfide and barium carbonate
6H2SGas + 3BaCO3Crystalline solid
⟶
BaSO3Crystalline solid + 3SO2Gas + 2BaSCrystalline solid + 3CH4Gas
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
558–––
per 1 mol of
93.0–––
per 1 mol of
186–––
per 1 mol of
558–––
per 1 mol of
186–––
per 1 mol of
279–––
per 1 mol of
186–––

Changes in aqueous solution (1)

Reaction of hydrogen sulfide and barium carbonate
6H2SUn-ionized aqueous solution + 3BaCO3Crystalline solid
⟶
BaSO3Crystalline solid + 3SO2Gas + 2BaSAqueous solution + 3CH4Gas
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
606.1–––
per 1 mol of
101.0–––
per 1 mol of
202.0–––
per 1 mol of
606.1–––
per 1 mol of
202.0–––
per 1 mol of
303.1–––
per 1 mol of
202.0–––

Changes in aqueous solution (2)

Reaction of hydrogen sulfide and barium carbonate
6H2SUn-ionized aqueous solution + 3BaCO3Crystalline solid
⟶
BaSO3Crystalline solid + 3SO2Gas + 2BaSAqueous solution + 3CH4Un-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
563.4–––
per 1 mol of
93.90–––
per 1 mol of
187.8–––
per 1 mol of
563.4–––
per 1 mol of
187.8–––
per 1 mol of
281.7–––
per 1 mol of
187.8–––

Changes in aqueous solution (3)

Reaction of hydrogen sulfide and barium carbonate
6H2SUn-ionized aqueous solution + 3BaCO3Crystalline solid
⟶
BaSO3Crystalline solid + 3SO2Un-ionized aqueous solution + 2BaSAqueous solution + 3CH4Gas
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
527.6–––
per 1 mol of
87.93–––
per 1 mol of
175.9–––
per 1 mol of
527.6–––
per 1 mol of
175.9–––
per 1 mol of
263.8–––
per 1 mol of
175.9–––

Changes in aqueous solution (4)

Reaction of hydrogen sulfide and barium carbonate
6H2SUn-ionized aqueous solution + 3BaCO3Crystalline solid
⟶
BaSO3Crystalline solid + 3SO2Un-ionized aqueous solution + 2BaSAqueous solution + 3CH4Un-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
484.9–––
per 1 mol of
80.82–––
per 1 mol of
161.6–––
per 1 mol of
484.9–––
per 1 mol of
161.6–––
per 1 mol of
242.4–––
per 1 mol of
161.6–––

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
H2S (g)-20.63[1]-33.56[1]205.79[1]34.23[1]
H2S (ao)-39.7[1]-27.83[1]121[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]–
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (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
BaSO3 (cr)-1179.5[1]–––
SO2 (l)-320.5[1]–––
SO2 (g)-296.830[1]-300.194[1]248.22[1]39.87[1]
SO2 (ao)-322.980[1]-300.676[1]161.9[1]–
BaS (cr)-460[1]-456[1]78.2[1]49.37[1]
BaS (g)50[1]–––
BaS (aq)-493.3[1]–––
CH4 (g)-74.81[1]-50.72[1]186.264[1]35.309[1]
CH4 (ao)-89.04[1]-34.33[1]83.7[1]–
* (cr):Crystalline solid, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution, (aq):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)