You-iggy

11NaCl + 4CaSeO4 + 8H+ → 3NaClO4 + 8Na+ + 4Se + 4CaCl2 + 4H2O

Reaction of sodium chloride and calcium selenate under acidic condition

The reaction of sodium chloride, calcium selenate, and hydrogen ion yields sodium perchlorate, sodium ion, selenium, calcium chloride, 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 sodium chloride and calcium selenate under acidic condition

General equation

Reaction of hardly oxidizable species and oxidizing species under acidic condition
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent
ProductOxidation product + ProductReduction product + H2ONon-redox product

Oxidation state of each atom

Reaction of sodium chloride and calcium selenate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride11
Reducing
Hardly oxidizable
CaSeO4Calcium selenate4
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion8
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClO4Sodium perchlorate3
Oxidized
Na+Sodium ion8
SeSelenium4
Reduced
CaCl2Calcium chloride4
H2OWater4
Water

Thermodynamic changes

Changes in standard condition

Reaction of sodium chloride and calcium selenate under acidic condition
11NaClIonized aqueous solution + 4CaSeO4Crystalline solid + 8H+Un-ionized aqueous solution
3NaClO4Ionized aqueous solution + 8Na+Un-ionized aqueous solution + 4SeCrystalline solidhexagonal, gray + 4CaCl2Ionized aqueous solution + 4H2OLiquid
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
1238.06
per 1 mol of
112.551
per 1 mol of
309.515
per 1 mol of
Hydrogen ion
154.757
per 1 mol of
412.687
per 1 mol of
Sodium ion
154.757
per 1 mol of
309.515
per 1 mol of
309.515
per 1 mol of
309.515

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
NaCl (cr)-411.153[1]-384.138[1]72.13[1]50.50[1]
NaCl (g)-176.65[1]-196.66[1]229.81[1]35.77[1]
NaCl (ai)-407.27[1]-393.133[1]115.5[1]-90.0[1]
CaSeO4 (cr)-1109.81[1]
CaSeO4 (cr)
2 hydrate
-1706.7[1]-1486.8[1]222[1]
H+ (g)1536.202[1]
H+ (ao)0[1]0[1]0[1]0[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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
NaClO4 (cr)-383.30[1]-254.85[1]142.3[1]
NaClO4 (ai)-369.45[1]-270.41[1]241.0[1]
NaClO4 (cr)
1 hydrate
-677.77[1]-494.29[1]190.8[1]
Na+ (g)609.358[1]
Na+ (ao)-240.12[1]-261.905[1]59.0[1]46.4[1]
Se (cr)
hexagonal, gray
0[1]0[1]42.442[1]25.363[1]
Se (cr)
monoclinic, red
6.7[1]
Se (vit)5.0[1]
Se (g)227.07[1]187.03[1]176.72[1]20.820[1]
CaCl2 (cr)-795.8[1]-748.1[1]104.6[1]72.59[1]
CaCl2 (g)-471.5[1]-479.24[1]290.27[1]59.33[1]
CaCl2 (ai)-877.13[1]-816.01[1]59.8[1]
CaCl2 (cr)
1 hydrate
-1109.2[1]
CaCl2 (cr)
2 hydrate
-1402.9[1]
CaCl2 (cr)
4 hydrate
-2009.6[1]
CaCl2 (cr)
6 hydrate
-2607.9[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, (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (vit):Vitreous liquid, (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)