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4H2S + Rb2SO4 ๐Ÿ”ฅโ†’ 4S + Rb2S + 4H2O

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Reaction of hydrogen sulfide and rubidium sulfate
4H2SHydrogen sulfide + Rb2SO4Rubidium sulfate
๐Ÿ”ฅ
โŸถ
4SSulfur + Rb2SRubidium sulfide + 4H2OWater

The reaction of hydrogen sulfide and rubidium sulfate yields sulfur, rubidium sulfide, 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 rubidium sulfate
4H2SHydrogen sulfide + Rb2SO4Rubidium sulfate
๐Ÿ”ฅ
โŸถ
4SSulfur + Rb2SRubidium sulfide + 4H2OWater

General equation

Reaction of reducing species and reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of hydrogen sulfide and rubidium sulfate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2SHydrogen sulfide4
Reducing
Reducing
Rb2SO4Rubidium sulfate1
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
SSulfur4
Redoxed product
โ€“
Rb2SRubidium sulfide1
โ€“
โ€“
H2OWater4
โ€“
โ€“

Thermodynamic changes

Changes in standard condition (1)

Reaction of hydrogen sulfide and rubidium sulfate
4H2SGas + Rb2SO4Crystalline solid
๐Ÿ”ฅ
โŸถ
4SCrystalline solidrhombic + Rb2SCrystalline solid + 4H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
14.1โ€“โ€“โ€“
per 1 mol of
3.52โ€“โ€“โ€“
per 1 mol of
14.1โ€“โ€“โ€“
per 1 mol of
3.52โ€“โ€“โ€“
per 1 mol of
14.1โ€“โ€“โ€“
per 1 mol of
3.52โ€“โ€“โ€“

Changes in standard condition (2)

Reaction of hydrogen sulfide and rubidium sulfate
4H2SGas + Rb2SO4Crystalline solid
๐Ÿ”ฅ
โŸถ
4SCrystalline solidmonoclinic + Rb2SCrystalline solid + 4H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
15.4โ€“โ€“โ€“
per 1 mol of
3.85โ€“โ€“โ€“
per 1 mol of
15.4โ€“โ€“โ€“
per 1 mol of
3.85โ€“โ€“โ€“
per 1 mol of
15.4โ€“โ€“โ€“
per 1 mol of
3.85โ€“โ€“โ€“

Changes in aqueous solution

Reaction of hydrogen sulfide and rubidium sulfate
โ—†
ฮ”rGโˆ’6.7 kJ/mol
K1.49 ร— 101
pKโˆ’1.17
4H2SUn-ionized aqueous solution + Rb2SO4Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
4SCrystalline solidrhombic + Rb2SIonized aqueous solution + 4H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’42.3โˆ’6.7โˆ’112โ€“
per 1 mol of
โˆ’10.6โˆ’1.7โˆ’28.0โ€“
per 1 mol of
โˆ’42.3โˆ’6.7โˆ’112โ€“
per 1 mol of
โˆ’10.6โˆ’1.7โˆ’28.0โ€“
per 1 mol of
โˆ’42.3โˆ’6.7โˆ’112โ€“
per 1 mol of
โˆ’10.6โˆ’1.7โˆ’28.0โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’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]โ€“
Rb2SO4 (cr)-1435.61[1]-1316.89[1]197.44[1]134.06[1]
Rb2SO4 (g)-1068.6[1]โ€“โ€“โ€“
Rb2SO4 (ai)-1411.60[1]-1312.50[1]263.2[1]โ€“
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):Ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
S (cr)
rhombic
0[1]0[1]31.80[1]22.64[1]
S (cr)
monoclinic
0.33[1]โ€“โ€“โ€“
S (g)278.805[1]238.250[1]167.821[1]23.673[1]
Rb2S (cr)-360.7[1]โ€“โ€“โ€“
Rb2S (ai)-469.4[1]-482.0[1]228.4[1]โ€“
H2O (cr)โ€“โ€“โ€“โ€“
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)