You-iggy
  1. Home
  2. Chemical reactions
  3. 4H2S + NH4ClO4 → 4S + NH4Cl + 4H2O

4H2S + NH4ClO4 → 4S + NH4Cl + 4H2O

Last updated:
Reaction of hydrogen sulfide and ammonium perchlorate
4H2SHydrogen sulfide + NH4ClO4Ammonium perchlorate
⟶
4SSulfur + NH4ClAmmonium chloride + 4H2OWater

The reaction of hydrogen sulfide and ammonium perchlorate yields sulfur, ammonium chloride, 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 ammonium perchlorate
4H2SHydrogen sulfide + NH4ClO4Ammonium perchlorate
⟶
4SSulfur + NH4ClAmmonium chloride + 4H2OWater

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 ammonium perchlorate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2SHydrogen sulfide4
Reducing
Reducing
NH4ClO4Ammonium perchlorate1
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
SSulfur4
Oxidized
–
NH4ClAmmonium chloride1
Reduced
–
H2OWater4
–
–

Thermodynamic changes

Changes in standard condition (1)

Reaction of hydrogen sulfide and ammonium perchlorate
◆
ΔrG−928.40 kJ/mol
K4.45 × 10162
pK−162.65
4H2SGas + NH4ClO4Crystalline solid
⟶
4SCrystalline solidrhombic + NH4ClCrystalline solid + 4H2OLiquid
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
−1079.92−928.40−507.9–
per 1 mol of
−269.980−232.10−127.0–
−1079.92−928.40−507.9–
per 1 mol of
−269.980−232.10−127.0–
per 1 mol of
−1079.92−928.40−507.9–
per 1 mol of
−269.980−232.10−127.0–

Changes in standard condition (2)

Reaction of hydrogen sulfide and ammonium perchlorate
4H2SGas + NH4ClO4Crystalline solid
⟶
4SCrystalline solidmonoclinic + NH4ClCrystalline solid + 4H2OLiquid
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
−1078.60–––
per 1 mol of
−269.650–––
−1078.60–––
per 1 mol of
−269.650–––
per 1 mol of
−1078.60–––
per 1 mol of
−269.650–––

Changes in aqueous solution

Reaction of hydrogen sulfide and ammonium perchlorate
◆
ΔrG−959.89 kJ/mol
K1.46 × 10168
pK−168.17
4H2SUn-ionized aqueous solution + NH4ClO4Ionized aqueous solution
⟶
4SCrystalline solidrhombic + NH4ClIonized aqueous solution + 4H2OLiquid
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
−1022.4−959.89−203–
per 1 mol of
−255.60−239.97−50.8–
−1022.4−959.89−203–
per 1 mol of
−255.60−239.97−50.8–
per 1 mol of
−1022.4−959.89−203–
per 1 mol of
−255.60−239.97−50.8–

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]–
NH4ClO4 (cr)-295.31[1]-88.75[1]186.2[1]–
NH4ClO4 (ai)-261.83[1]-87.83[1]295.4[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
S (cr)
rhombic
0[1]0[1]31.80[1]22.64[1]
S (cr)
monoclinic
0.33[1]–––
S (g)278.805[1]238.250[1]167.821[1]23.673[1]
NH4Cl (cr)-314.43[1]-202.87[1]94.6[1]84.1[1]
NH4Cl (ai)-299.66[1]-210.52[1]169.9[1]-56.5[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, (ai):Ionized aqueous solution, (l):Liquid

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)