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5Cu + 2CsClO3 + 12H+ → 5Cu2+ + Cl2↑ + 2Cs+ + 6H2O

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Reaction of copper and caesium chlorate under acidic condition
5CuCopper + 2CsClO3Caesium chlorate + 12H+Hydrogen ion
⟶
5Cu2+Copper(II) ion + Cl2↑Chlorine + 2Cs+Caesium ion + 6H2OWater

The reaction of copper, caesium chlorate, and hydrogen ion yields copper(II) ion, chlorine, caesium ion, 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 copper and caesium chlorate under acidic condition
5CuCopper + 2CsClO3Caesium chlorate + 12H+Hydrogen ion
⟶
5Cu2+Copper(II) ion + Cl2↑Chlorine + 2Cs+Caesium ion + 6H2OWater

General equation

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

Oxidation state of each atom

Reaction of copper and caesium chlorate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper5
Reducing
Oxidizable
CsClO3Caesium chlorate2
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion12
–
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu2+Copper(II) ion5
Oxidized
–
Cl2Chlorine1
Reduced
–
Cs+Caesium ion2
–
–
H2OWater6
–
Water

Thermodynamic changes

Changes in standard condition (1)

Reaction of copper and caesium chlorate under acidic condition
◆
ΔrG−1079.42 kJ/mol
K1.28 × 10189
pK−189.11
5CuCrystalline solid + 2CsClO3Ionized aqueous solution + 12H+Un-ionized aqueous solution
⟶
5Cu2+Un-ionized aqueous solution + Cl2↑Gas + 2Cs+Un-ionized aqueous solution + 6H2OLiquid
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
−1183.19−1079.42−345.9–
per 1 mol of
−236.638−215.884−69.18–
per 1 mol of
−591.595−539.710−172.9–
per 1 mol of
Hydrogen ion
−98.5992−89.9517−28.82–
per 1 mol of
Copper(II) ion
−236.638−215.884−69.18–
per 1 mol of
−1183.19−1079.42−345.9–
per 1 mol of
Caesium ion
−591.595−539.710−172.9–
per 1 mol of
−197.198−179.903−57.65–

Changes in standard condition (2)

Reaction of copper and caesium chlorate under acidic condition
◆
ΔrG−1072.48 kJ/mol
K7.77 × 10187
pK−187.89
5CuCrystalline solid + 2CsClO3Ionized aqueous solution + 12H+Un-ionized aqueous solution
⟶
5Cu2+Un-ionized aqueous solution + Cl2↑Un-ionized aqueous solution + 2Cs+Un-ionized aqueous solution + 6H2OLiquid
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
−1206.6−1072.48−448–
per 1 mol of
−241.32−214.496−89.6–
per 1 mol of
−603.30−536.240−224–
per 1 mol of
Hydrogen ion
−100.55−89.3733−37.3–
per 1 mol of
Copper(II) ion
−241.32−214.496−89.6–
per 1 mol of
−1206.6−1072.48−448–
per 1 mol of
Caesium ion
−603.30−536.240−224–
per 1 mol of
−201.10−178.747−74.7–

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
Cu (cr)0[1]0[1]33.150[1]24.435[1]
Cu (g)338.32[1]298.58[1]166.38[1]20.786[1]
CsClO3 (cr)-411.7[1]-307.9[1]156.1[1]–
CsClO3 (ai)-362.25[1]-299.97[1]295.4[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
Cu2+ (g)3054.07[1]–––
Cu2+ (ao)64.77[1]65.49[1]-99.6[1]–
Cl2 (g)0[1]0[1]223.066[1]33.907[1]
Cl2 (ao)-23.4[1]6.94[1]121[1]–
Cs+ (g)457.964[1]–––
Cs+ (ao)-258.28[1]-292.02[1]133.05[1]-10.5[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]
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (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)