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SrCrO4 → Sr2+ + CrO42−

Electrolytic dissociation of strontium chromate
SrCrO4Strontium chromate
Sr2+Strontium ion + CrO42−Chromate ion

Electrolytic dissociation of strontium chromate yields strontium ion and chromate ion. 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 categories

Reaction data

Chemical equation

Electrolytic dissociation of strontium chromate
SrCrO4Strontium chromate
Sr2+Strontium ion + CrO42−Chromate ion

General equation

Electrolytic dissociation of salt
SaltLewis conjugate
CationLewis acid + AnionLewis base

Oxidation state of each atom

Electrolytic dissociation of strontium chromate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SrCrO4Strontium chromate1
Lewis conjugate
Salt

Products

Chemical formulaNameCoefficientTypeType in general
equation
Sr2+Strontium ion1
Lewis acid
Cation
CrO42−Chromate ion1
Lewis base
Anion

Thermodynamic changes

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
SrCrO4

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
Sr2+ (g)1790.54[1]
Sr2+ (ao)-545.80[1]-559.48[1]-32.6[1]
CrO42− (ao)-881.15[1]-727.75[1]50.21[1]
* (g):Gas, (ao):Un-ionized aqueous solution

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)