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2Cu + 2NH2OH ๐Ÿ”ฅโ†’ 2CuO + N2H4 + H2โ†‘

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Reaction of copper and hydroxylamine
2CuCopper + 2NH2OHHydroxylamine
๐Ÿ”ฅ
โŸถ
2CuOCopper(II) oxide + N2H4Hydrazine + H2โ†‘Hydrogen

The reaction of copper and hydroxylamine yields copper(II) oxide, hydrazine, and hydrogen (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 hydroxylamine
2CuCopper + 2NH2OHHydroxylamine
๐Ÿ”ฅ
โŸถ
2CuOCopper(II) oxide + N2H4Hydrazine + H2โ†‘Hydrogen

General equation

Reaction of oxidizable species and oxidizing species
Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of copper and hydroxylamine

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper2
Reducing
Oxidizable
NH2OHHydroxylamine2
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
CuOCopper(II) oxide2
Oxidized
โ€“
N2H4Hydrazine1
Reduced
โ€“
H2Hydrogen1
Reduced
โ€“

Thermodynamic changes

Changes in standard condition

Reaction of copper and hydroxylamine
2CuCrystalline solid + 2NH2OHCrystalline solid
๐Ÿ”ฅ
โŸถ
2CuOCrystalline solid + N2H4Liquid + H2โ†‘Gas
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
โˆ’35.6โ€“โ€“โ€“
per 1 mol of
โˆ’17.8โ€“โ€“โ€“
per 1 mol of
Hydroxylamine
โˆ’17.8โ€“โ€“โ€“
per 1 mol of
โˆ’17.8โ€“โ€“โ€“
per 1 mol of
โˆ’35.6โ€“โ€“โ€“
per 1 mol of
โˆ’35.6โ€“โ€“โ€“

Changes in aqueous solution (1)

Reaction of copper and hydroxylamine
2CuCrystalline solid + 2NH2OHAqueous solution
๐Ÿ”ฅ
โŸถ
2CuOCrystalline solid + N2H4Un-ionized aqueous solution + H2โ†‘Gas
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
โˆ’83.7โ€“โ€“โ€“
per 1 mol of
โˆ’41.9โ€“โ€“โ€“
per 1 mol of
Hydroxylamine
โˆ’41.9โ€“โ€“โ€“
per 1 mol of
โˆ’41.9โ€“โ€“โ€“
per 1 mol of
โˆ’83.7โ€“โ€“โ€“
per 1 mol of
โˆ’83.7โ€“โ€“โ€“

Changes in aqueous solution (2)

Reaction of copper and hydroxylamine
2CuCrystalline solid + 2NH2OHAqueous solution
๐Ÿ”ฅ
โŸถ
2CuOCrystalline solid + N2H4Un-ionized aqueous solution + H2โ†‘Un-ionized aqueous solution
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
โˆ’87.9โ€“โ€“โ€“
per 1 mol of
โˆ’44.0โ€“โ€“โ€“
per 1 mol of
Hydroxylamine
โˆ’44.0โ€“โ€“โ€“
per 1 mol of
โˆ’44.0โ€“โ€“โ€“
per 1 mol of
โˆ’87.9โ€“โ€“โ€“
per 1 mol of
โˆ’87.9โ€“โ€“โ€“

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]
NH2OH (cr)-114.2[1]โ€“โ€“โ€“
NH2OH (aq)-98.3[1]โ€“โ€“โ€“
* (cr):Crystalline solid, (g):Gas, (aq):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
CuO (cr)-157.3[1]-129.7[1]42.63[1]42.30[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]โ€“
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]โ€“
* (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)