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11CH3COONH4 + 10HNO3 → 3N2H4 + 15NH4HCO3 + 7CO↑

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Reaction of ammonium acetate and nitric acid
11CH3COONH4Ammonium acetate + 10HNO3Nitric acid
⟶
3N2H4Hydrazine + 15NH4HCO3Ammonium hydrogencarbonate + 7CO↑Carbon monoxide

The reaction of ammonium acetate and nitric acid yields hydrazine, ammonium hydrogencarbonate, and carbon monoxide (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 ammonium acetate and nitric acid
11CH3COONH4Ammonium acetate + 10HNO3Nitric acid
⟶
3N2H4Hydrazine + 15NH4HCO3Ammonium hydrogencarbonate + 7CO↑Carbon monoxide

General equation

Reaction of reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of ammonium acetate and nitric acid

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CH3COONH4Ammonium acetate11
Reducing
Reducing
HNO3Nitric acid10
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
N2H4Hydrazine3
Reduced
–
NH4HCO3Ammonium hydrogencarbonate15
Redoxed product
–
COCarbon monoxide7
Oxidized
–

Thermodynamic changes

Changes in standard condition

Reaction of ammonium acetate and nitric acid
11CH3COONH4Crystalline solid + 10HNO3Liquid
⟶
3N2H4Liquid + 15NH4HCO3Crystalline solid + 7CO↑Gas
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
−4844.2–––
per 1 mol of
−440.38–––
per 1 mol of
−484.42–––
per 1 mol of
−1614.7–––
−322.95–––
per 1 mol of
−692.03–––

Changes in aqueous solution (1)

Reaction of ammonium acetate and nitric acid
◆
ΔrG−4519.7 kJ/mol
K6.56 × 10791
pK−791.82
11CH3COONH4Ionized aqueous solution + 10HNO3Ionized aqueous solution
⟶
3N2H4Un-ionized aqueous solution + 15NH4HCO3Ionized aqueous solution + 7CO↑Gas
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
−4160.93−4519.71203–
per 1 mol of
−378.266−410.88109.4–
per 1 mol of
−416.093−451.97120.3–
per 1 mol of
−1386.98−1506.6401.0–
−277.395−301.3180.20–
per 1 mol of
−594.419−645.67171.9–

Changes in aqueous solution (2)

Reaction of ammonium acetate and nitric acid
◆
ΔrG−4398.8 kJ/mol
K4.33 × 10770
pK−770.64
11CH3COONH4Ionized aqueous solution + 10HNO3Ionized aqueous solution
⟶
3N2H4Un-ionized aqueous solution + 15NH4HCO3Ionized aqueous solution + 7CO↑Un-ionized aqueous solution
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
−4233.97−4398.8551–
per 1 mol of
−384.906−399.8950.1–
per 1 mol of
−423.397−439.8855.1–
per 1 mol of
−1411.32−1466.3184–
−282.265−293.2536.7–
per 1 mol of
−604.853−628.4078.7–

Changes in aqueous solution (3)

Reaction of ammonium acetate and nitric acid
11CH3COONH4Ionized aqueous solution + 10HNO3Ionized aqueous solution
⟶
3N2H4Un-ionized aqueous solution + 15NH4HCO3Aqueous solution + 7CO↑Gas
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
−4118.9–––
per 1 mol of
−374.45–––
per 1 mol of
−411.89–––
per 1 mol of
−1373.0–––
−274.59–––
per 1 mol of
−588.41–––

Changes in aqueous solution (4)

Reaction of ammonium acetate and nitric acid
11CH3COONH4Ionized aqueous solution + 10HNO3Ionized aqueous solution
⟶
3N2H4Un-ionized aqueous solution + 15NH4HCO3Aqueous solution + 7CO↑Un-ionized aqueous solution
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
−4192.0–––
per 1 mol of
−381.09–––
per 1 mol of
−419.20–––
per 1 mol of
−1397.3–––
−279.47–––
per 1 mol of
−598.86–––

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
CH3COONH4 (cr)-616.14[1]–––
CH3COONH4 (ai)-618.52[1]-448.61[1]200.0[1]73.6[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]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid, (g):Gas

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
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]–
NH4HCO3 (cr)-849.4[1]-665.9[1]120.9[1]–
NH4HCO3 (ai)-824.50[1]-666.07[1]204.6[1]–
NH4HCO3 (aq)-821.7[1]–––
CO (g)-110.525[1]-137.168[1]197.674[1]29.142[1]
CO (ao)-120.96[1]-119.90[1]104.6[1]–
* (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):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)