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H2S + CsClO4 → H2SO4 + CsCl

The reaction of hydrogen sulfide and caesium perchlorate yields sulfuric acid and caesium chloride (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 oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2SHydrogen sulfide1
Reducing
Reducing
CsClO4Caesium perchlorate1
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
H2SO4Sulfuric acid1
Oxidized
CsClCaesium chloride1
Reduced

Thermodynamic changes

Changes in standard condition

Reaction of hydrogen sulfide and caesium perchlorate
ΔrG−756.71 kJ/mol
K3.71 × 10132
pK−132.57
H2SGas + CsClO4Crystalline solid
H2SO4Liquid + CsClCrystalline solid
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
−793.31−756.71−122.7848.87
per 1 mol of
−793.31−756.71−122.7848.87
−793.31−756.71−122.7848.87
per 1 mol of
−793.31−756.71−122.7848.87
per 1 mol of
−793.31−756.71−122.7848.87

Changes in aqueous solution

Reaction of hydrogen sulfide and caesium perchlorate
ΔrG−839.40 kJ/mol
K1.14 × 10147
pK−147.06
H2SUn-ionized aqueous solution + CsClO4Ionized aqueous solution
H2SO4Ionized aqueous solution + CsClIonized 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
−907.4−839.40−226
per 1 mol of
−907.4−839.40−226
−907.4−839.40−226
per 1 mol of
−907.4−839.40−226
per 1 mol of
−907.4−839.40−226

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]
CsClO4 (cr)-443.09[1]-314.26[1]175.06[1]108.28[1]
CsClO4 (ai)-387.61[1]-300.54[1]315.1[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
H2SO4 (cr)
H2SO4 (l)-813.989[1]-690.003[1]156.904[1]138.91[1]
H2SO4 (ai)-909.27[1]-744.53[1]20.1[1]-293[1]
H2SO4 (l)
1 hydrate
-1127.621[1]-950.383[1]211.54[1]214.85[1]
H2SO4 (l)
2 hydrate
-1427.100[1]-1199.650[1]276.40[1]260.83[1]
H2SO4 (l)
3 hydrate
-1720.402[1]-1443.980[1]345.39[1]318.95[1]
H2SO4 (l)
4 hydrate
-2011.199[1]-1685.863[1]414.59[1]382.21[1]
H2SO4 (l)
6.5 hydrate
-2733.256[1]-2285.734[1]587.89[1]570.28[1]
CsCl (cr)-443.04[1]-414.53[1]101.17[1]52.47[1]
CsCl (g)-240.20[1]-257.80[1]255.96[1]36.94[1]
CsCl (ai)-425.43[1]-423.24[1]189.54[1]-146.9[1]
* (cr):Crystalline solid, (l):Liquid, (ai):Ionized aqueous solution, (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)