You-iggy
  1. Home
  2. Chemical reactions
  3. 3H2S + 4N2O3 → 3SO3 + 4N2 + 3H2O

3H2S + 4N2O3 → 3SO3 + 4N2 + 3H2O

Last updated:
Reaction of hydrogen sulfide and dinitrogen trioxide
3H2SHydrogen sulfide + 4N2O3Dinitrogen trioxide
⟶
3SO3Sulfur trioxide + 4N2Nitrogen + 3H2OWater

The reaction of hydrogen sulfide and dinitrogen trioxide yields sulfur trioxide, nitrogen, 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

Reaction of hydrogen sulfide and dinitrogen trioxide
3H2SHydrogen sulfide + 4N2O3Dinitrogen trioxide
⟶
3SO3Sulfur trioxide + 4N2Nitrogen + 3H2OWater

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 hydrogen sulfide and dinitrogen trioxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2SHydrogen sulfide3
Reducing
Reducing
N2O3Dinitrogen trioxide4
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
SO3Sulfur trioxide3
Oxidized
–
N2Nitrogen4
Reduced
–
H2OWater3
–
–

Thermodynamic changes

Changes in standard condition

Reaction of hydrogen sulfide and dinitrogen trioxide
◆
ΔrG−2289.80 kJ/mol
K1.43 × 10401
pK−401.16
3H2SGas + 4N2O3Gas
⟶
3SO3Liquid + 4N2Gas + 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
−2453.60−2289.80−548.9–
per 1 mol of
−817.867−763.267−183.0–
−613.400−572.450−137.2–
per 1 mol of
−817.867−763.267−183.0–
per 1 mol of
−613.400−572.450−137.2–
per 1 mol of
−817.867−763.267−183.0–

Changes in aqueous solution

Reaction of hydrogen sulfide and dinitrogen trioxide
3H2SUn-ionized aqueous solution + 4N2O3Liquid
⟶
3SO3Crystalline solidβ + 4N2Gas + 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
−2303.1–––
per 1 mol of
−767.70–––
−575.77–––
per 1 mol of
−767.70–––
per 1 mol of
−575.77–––
per 1 mol of
−767.70–––

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]–
N2O3 (l)50.29[1]–––
N2O3 (g)83.72[1]139.46[1]312.28[1]65.61[1]
* (g):Gas, (ao):Un-ionized aqueous solution, (l):Liquid

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
SO3 (cr)
β
-454.51[1]-374.21[1]70.7[1]–
SO3 (l)-441.04[1]-373.75[1]113.8[1]–
SO3 (g)-395.72[1]-371.06[1]256.76[1]50.67[1]
N2 (g)0[1]0[1]191.61[1]29.125[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, (l):Liquid, (g):Gas

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)