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7Cu + 8Pb(NO3)2 + 10H2O → 7Cu(NO3)2 + N2H4 + 8Pb(OH)2

The reaction of copper, lead(II) nitrate, and water yields copper(II) nitrate, hydrazine, and lead(II) hydroxide (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

General equation

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

Oxidation state of each atom

Reaction of copper and lead(II) nitrate under neutral condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper7
Reducing
Oxidizable
Pb(NO3)2Lead(II) nitrate8
Oxidizing
Oxidizing
H2OWater10
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu(NO3)2Copper(II) nitrate7
Oxidized
N2H4Hydrazine1
Reduced
Pb(OH)2Lead(II) hydroxide8

Thermodynamic changes

Changes in standard condition (1)

Reaction of copper and lead(II) nitrate under neutral condition
7CuCrystalline solid + 8Pb(NO3)2Crystalline solid + 10H2OLiquid
7Cu(NO3)2Crystalline solid + N2H4Liquid + 8Pb(OH)2Crystalline 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
per 1 mol of
per 1 mol of
per 1 mol of
per 1 mol of
per 1 mol of
per 1 mol of

Changes in standard condition (2)

Reaction of copper and lead(II) nitrate under neutral condition
7CuCrystalline solid + 8Pb(NO3)2Crystalline solid + 10H2OLiquid
7Cu(NO3)2Crystalline solid + N2H4Liquid + 8Pb(OH)2Crystalline solidprecipitated
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
276.6
per 1 mol of
39.51
per 1 mol of
34.58
per 1 mol of
27.66
per 1 mol of
39.51
per 1 mol of
276.6
per 1 mol of
34.58

Changes in aqueous solution

Reaction of copper and lead(II) nitrate under neutral condition
ΔrG−241.9 kJ/mol
K2.39 × 1042
pK−42.38
7CuCrystalline solid + 8Pb(NO3)2Ionized aqueous solution + 10H2OLiquid
7Cu(NO3)2Ionized aqueous solution + N2H4Un-ionized aqueous solution + 8Pb(OH)2Crystalline 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
−241.9
per 1 mol of
−34.56
per 1 mol of
−30.24
per 1 mol of
−24.19
per 1 mol of
−34.56
per 1 mol of
−241.9
per 1 mol of
−30.24

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]
Pb(NO3)2 (cr)-451.9[1]
Pb(NO3)2 (ai)-416.3[1]-246.93[1]303.3[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, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid

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
Cu(NO3)2 (cr)-302.9[1]
Cu(NO3)2 (ai)-349.95[1]-157.02[1]193.3[1]
Cu(NO3)2 (cr)
3 hydrate
-1217.1[1]
Cu(NO3)2 (cr)
6 hydrate
-2110.8[1]
N2H4 (l)50.63[1]149.34[1]121.21[1]98.87[1]
N2H4 (g)95.40[1]159.35[1]238.47[1]49.58[1]
N2H4 (ao)34.31[1]128.1[1]138[1]
Pb(OH)2 (cr)-452.2[1]
Pb(OH)2 (cr)
precipitated
-515.9[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1