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CuF2 + BaS 💧→ CuS↓ + BaF2

The reaction of copper(II) fluoride and barium sulfide yields copper(II) sulfide and barium fluoride. 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

General equation

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuF2Copper(II) fluoride1
Lewis acid
Soluble in water
BaSBarium sulfide1
Lewis base
Soluble in water

Products

Chemical formulaNameCoefficientTypeType in general
equation
CuSCopper(II) sulfide1
Lewis conjugate
Insoluble in water
BaF2Barium fluoride1
Lewis conjugate
Slightly soluble in water

Thermodynamic changes

Changes in standard condition

Reaction of copper(II) fluoride and barium sulfide
CuF2Crystalline solid + BaSCrystalline solid
💧
CuSCrystalline solid + BaF2Crystalline 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
−258
−258
per 1 mol of
−258
per 1 mol of
−258
per 1 mol of
−258

Changes in aqueous solution

Reaction of copper(II) fluoride and barium sulfide
CuF2Crystalline solid + BaSAqueous solution
💧
CuSCrystalline solid + BaF2Crystalline 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
−224.2
−224.2
per 1 mol of
−224.2
per 1 mol of
−224.2
per 1 mol of
−224.2

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
CuF2 (cr)-542.7[1]
CuF2 (cr)
2 hydrate
-981.4[1]
BaS (cr)-460[1]-456[1]78.2[1]49.37[1]
BaS (g)50[1]
BaS (aq)-493.3[1]
* (cr):Crystalline solid, (g):Gas, (aq):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
CuS (cr)-53.1[1]-53.6[1]66.5[1]47.82[1]
BaF2 (cr)-1207.1[1]-1156.8[1]96.36[1]71.21[1]
BaF2 (g)-818.0[1]-828.4[1]300.98[1]53.76[1]
BaF2 (ai)-1202.90[1]-1118.35[1]-18.0[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution

References

List of references

  1. 1