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10Ag + 12HNO3 → 10AgNO3 + N2↑ + 6H2O

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Reaction of silver and nitric acid
10AgSilver + 12HNO3Nitric acid
⟶
10AgNO3Silver(I) nitrate + N2↑Nitrogen + 6H2OWater

The reaction of silver and nitric acid yields silver(I) nitrate, nitrogen, 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 silver and nitric acid
10AgSilver + 12HNO3Nitric acid
⟶
10AgNO3Silver(I) nitrate + N2↑Nitrogen + 6H2OWater

General equation

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

Oxidation state of each atom

Reaction of silver and nitric acid

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
AgSilver10
Reducing
Oxidizable
HNO3Nitric acid12
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
AgNO3Silver(I) nitrate10
Oxidized
–
N2Nitrogen1
Reduced
–
H2OWater6
–
–

Thermodynamic changes

Changes in standard condition

Reaction of silver and nitric acid
◆
ΔrG−788.35 kJ/mol
K1.30 × 10138
pK−138.11
10AgCrystalline solid + 12HNO3Liquid
⟶
10AgNO3Crystalline solid + N2↑Gas + 6H2OLiquid
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
−869.68−788.35−272.43−160.58
per 1 mol of
−86.968−78.835−27.243−16.058
per 1 mol of
−72.473−65.696−22.703−13.382
per 1 mol of
−86.968−78.835−27.243−16.058
per 1 mol of
−869.68−788.35−272.43−160.58
per 1 mol of
−144.95−131.39−45.405−26.763

Changes in aqueous solution (1)

Reaction of silver and nitric acid
◆
ΔrG−429.37 kJ/mol
K1.67 × 1075
pK−75.22
10AgCrystalline solid + 12HNO3Ionized aqueous solution
⟶
10AgNO3Ionized aqueous solution + N2↑Gas + 6H2OLiquid
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
−244.66−429.37620.8617.6
per 1 mol of
−24.466−42.93762.0861.76
per 1 mol of
−20.388−35.78151.7351.47
per 1 mol of
−24.466−42.93762.0861.76
per 1 mol of
−244.66−429.37620.8617.6
per 1 mol of
−40.777−71.562103.5102.9

Changes in aqueous solution (2)

Reaction of silver and nitric acid
◆
ΔrG−412.67 kJ/mol
K1.98 × 1072
pK−72.30
10AgCrystalline solid + 12HNO3Ionized aqueous solution
⟶
10AgNO3Un-ionized aqueous solution + N2↑Gas + 6H2OLiquid
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
–−412.67––
per 1 mol of
–−41.267––
per 1 mol of
–−34.389––
per 1 mol of
–−41.267––
per 1 mol of
–−412.67––
per 1 mol of
–−68.778––

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
Ag (cr)0[1]0[1]42.55[1]25.351[1]
Ag (g)284.55[1]245.65[1]172.997[1]20.786[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, (g):Gas, (l):Liquid, (ai):Ionized aqueous solution

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
AgNO3 (cr)-124.39[1]-33.41[1]140.92[1]93.05[1]
AgNO3 (ai)-101.80[1]-34.16[1]219.2[1]-64.9[1]
AgNO3 (ao)–-32.49[1]––
N2 (g)0[1]0[1]191.61[1]29.125[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, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution, (g):Gas, (l):Liquid

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)