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Cu + Zn(NO3)2 + 3H+ ๐Ÿ”ฅโ†’ Cu+ + NO2โ†‘ + Zn2+ + HNO3 + H2O

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Reaction of copper and zinc nitrate under acidic condition
CuCopper + Zn(NO3)2Zinc nitrate + 3H+Hydrogen ion
๐Ÿ”ฅ
โŸถ
Cu+Copper(I) ion + NO2โ†‘Nitrogen dioxide + Zn2+Zinc ion + HNO3Nitric acid + H2OWater

The reaction of copper, zinc nitrate, and hydrogen ion yields copper(I) ion, nitrogen dioxide, zinc ion, nitric acid, 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 zinc nitrate under acidic condition
CuCopper + Zn(NO3)2Zinc nitrate + 3H+Hydrogen ion
๐Ÿ”ฅ
โŸถ
Cu+Copper(I) ion + NO2โ†‘Nitrogen dioxide + Zn2+Zinc ion + HNO3Nitric acid + H2OWater

General equation

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

Oxidation state of each atom

Reaction of copper and zinc nitrate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper1
Reducing
Oxidizable
Zn(NO3)2Zinc nitrate1
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion3
โ€“
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu+Copper(I) ion1
Oxidized
โ€“
NO2Nitrogen dioxide1
Reduced
โ€“
Zn2+Zinc ion1
โ€“
โ€“
HNO3Nitric acid1
โ€“
โ€“
H2OWater1
โ€“
Water

Thermodynamic changes

Changes in standard condition

Reaction of copper and zinc nitrate under acidic condition
โ—†
ฮ”rGโˆ’24.58 kJ/mol
K2.02 ร— 104
pKโˆ’4.31
CuCrystalline solid + Zn(NO3)2Ionized aqueous solution + 3H+Un-ionized aqueous solution
๐Ÿ”ฅ
โŸถ
Cu+Un-ionized aqueous solution + NO2โ†‘Gas + Zn2+Un-ionized aqueous solution + HNO3Ionized aqueous solution + H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
26.38โˆ’24.58171.0โ€“
per 1 mol of
26.38โˆ’24.58171.0โ€“
per 1 mol of
26.38โˆ’24.58171.0โ€“
per 1 mol of
Hydrogen ion
8.793โˆ’8.19357.00โ€“
per 1 mol of
Copper(I) ion
26.38โˆ’24.58171.0โ€“
per 1 mol of
26.38โˆ’24.58171.0โ€“
per 1 mol of
Zinc ion
26.38โˆ’24.58171.0โ€“
per 1 mol of
26.38โˆ’24.58171.0โ€“
per 1 mol of
26.38โˆ’24.58171.0โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’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]
Zn(NO3)2 (cr)-483.7[1]โ€“โ€“โ€“
Zn(NO3)2 (ai)-568.61[1]-369.57[1]180.7[1]-126[1]
Zn(NO3)2 (cr)
1 hydrate
-805.0[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
2 hydrate
-1110.27[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
4 hydrate
-1699.12[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
6 hydrate
-2306.64[1]-1772.71[1]456.9[1]323.0[1]
H+ (g)1536.202[1]โ€“โ€“โ€“
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
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Cu+ (g)1089.986[1]โ€“โ€“โ€“
Cu+ (ao)71.67[1]49.98[1]40.6[1]โ€“
NO2 (g)33.18[1]51.31[1]240.06[1]37.20[1]
Zn2+ (g)2782.78[1]โ€“โ€“โ€“
Zn2+ (ao)-153.89[1]-147.06[1]-112.1[1]46[1]
HNO3 (l)-174.10[1]-80.71[1]155.60[1]109.87[1]
HNO3 (g)-135.06[1]-74.72[1]266.38[1]53.35[1]
HNO3 (ai)-207.36[1]-111.25[1]146.4[1]-86.6[1]
HNO3 (l)
1 hydrate
-473.46[1]-328.77[1]216.90[1]182.46[1]
HNO3 (l)
3 hydrate
-1056.04[1]-811.09[1]346.98[1]325.14[1]
H2O (cr)โ€“โ€“โ€“โ€“
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, (l):Liquid, (ai):Ionized aqueous solution, (cr):Crystalline solid

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)