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14Cu + Co(NO3)2 + 2H2O → 7Cu2O + N2H4 + CoO

The reaction of copper, cobalt(II) nitrate, and water yields copper(I) oxide, hydrazine, and cobalt(II) oxide (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 cobalt(II) nitrate under neutral condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper14
Reducing
Oxidizable
Co(NO3)2Cobalt(II) nitrate1
Oxidizing
Oxidizing
H2OWater2
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cu2OCopper(I) oxide7
Oxidized
N2H4Hydrazine1
Reduced
CoOCobalt(II) oxide1

Thermodynamic changes

Changes in standard condition

Reaction of copper and cobalt(II) nitrate under neutral condition
14CuCrystalline solid + Co(NO3)2Crystalline solid + 2H2OLiquid
7Cu2OCrystalline solid + N2H4Liquid + CoOCrystalline 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
−375.4
per 1 mol of
−26.81
per 1 mol of
−375.4
per 1 mol of
−187.7
per 1 mol of
−53.63
per 1 mol of
−375.4
per 1 mol of
−375.4

Changes in aqueous solution

Reaction of copper and cobalt(II) nitrate under neutral condition
ΔrG−356.9 kJ/mol
K3.36 × 1062
pK−62.53
14CuCrystalline solid + Co(NO3)2Ionized aqueous solution + 2H2OLiquid
7Cu2OCrystalline solid + N2H4Un-ionized aqueous solution + CoOCrystalline 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
−339.4−356.959
per 1 mol of
−24.24−25.494.2
per 1 mol of
−339.4−356.959
per 1 mol of
−169.7−178.430
per 1 mol of
−48.49−50.998.4
per 1 mol of
−339.4−356.959
per 1 mol of
−339.4−356.959

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]
Co(NO3)2 (cr)-420.5[1]
Co(NO3)2 (ai)-472.8[1]-276.9[1]180[1]
Co(NO3)2 (cr)
2 hydrate
-1021.7[1]
Co(NO3)2 (cr)
3 hydrate
-1325.9[1]
Co(NO3)2 (cr)
4 hydrate
-1630.5[1]
Co(NO3)2 (cr)
6 hydrate
-2211.20[1]452[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
Cu2O (cr)-168.6[1]-146.0[1]93.14[1]63.64[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]
CoO (cr)-237.94[1]-214.20[1]52.97[1]55.23[1]
* (cr):Crystalline solid, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

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)