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H+ + HSO4 → SO3 + H2O

Reaction of hydrogen ion and hydrogensulfate ion
H+Hydrogen ion + HSO4Hydrogensulfate ion
SO3Sulfur trioxide + H2OWater

The reaction of hydrogen ion and hydrogensulfate ion yields sulfur trioxide and water (Other reactions are here). This reaction is an acid-base 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 ion and hydrogensulfate ion
H+Hydrogen ion + HSO4Hydrogensulfate ion
SO3Sulfur trioxide + H2OWater

General equation

Reaction of cation and anion
CationLewis acid + AnionLewis base
ProductLewis conjugate + (H2O)

Oxidation state of each atom

Reaction of hydrogen ion and hydrogensulfate ion

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H+Hydrogen ion1
Lewis acid
Cation
HSO4Hydrogensulfate ion1
Lewis base
Anion

Products

Chemical formulaNameCoefficientTypeType in general
equation
SO3Sulfur trioxide1
Lewis conjugate
H2OWater1
Water

Thermodynamic changes

Changes in standard condition

Reaction of hydrogen ion and hydrogensulfate ion
ΔrG144.57 kJ/mol
K0.47 × 10−25
pK25.33
H+Un-ionized aqueous solution + HSO4Un-ionized aqueous solution
SO3Crystalline solidβ + H2OLiquid
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
147.00144.578.8
per 1 mol of
Hydrogen ion
147.00144.578.8
per 1 mol of
Hydrogensulfate ion
147.00144.578.8
per 1 mol of
147.00144.578.8
per 1 mol of
147.00144.578.8

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
H+ (g)1536.202[1]
H+ (ao)0[1]0[1]0[1]0[1]
HSO4 (ao)-887.34[1]-755.91[1]131.8[1]-84[1]
* (g):Gas, (ao):Un-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
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]
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