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2LiOH + N2O5 → 2LiNO3 + H2O

The reaction of lithium hydroxide and dinitrogen pentaoxide yields lithium nitrate and water. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

General equation

Reaction of base and acidic oxide
BaseLewis base + Acidic oxideLewis acid + H2O
Oxoacid saltLewis conjugate + (H2O)

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
LiOHLithium hydroxide2
Lewis base
Base
Hydroxide base
Strong hydroxide base
N2O5Dinitrogen pentaoxide1
Lewis acid
Acidic oxide
Strongly acidic oxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
LiNO3Lithium nitrate2
Lewis conjugate
Oxoacid salt
Salt of strong acid and strong base
H2OWater1
Water

Thermodynamic changes

Changes in standard condition

Reaction of lithium hydroxide and dinitrogen pentaoxide
ΔrG−235.3 kJ/mol
K1.67 × 1041
pK−41.22
2LiOHCrystalline solid + N2O5Crystalline solid
2LiNO3Crystalline solid + H2OLiquid
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
−239.1−235.3−13.9
per 1 mol of
−119.5−117.7−6.95
−239.1−235.3−13.9
per 1 mol of
−119.5−117.7−6.95
per 1 mol of
−239.1−235.3−13.9

Changes in aqueous solution (1)

Reaction of lithium hydroxide and dinitrogen pentaoxide
ΔrG−258.9 kJ/mol
K2.28 × 1045
pK−45.36
2LiOHIonized aqueous solution + N2O5Crystalline solid
2LiNO3Ionized aqueous solution + H2OLiquid
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
−197.5−258.9206.556.0
per 1 mol of
−98.75−129.4103.328.0
−197.5−258.9206.556.0
per 1 mol of
−98.75−129.4103.328.0
per 1 mol of
−197.5−258.9206.556.0

Changes in aqueous solution (2)

Reaction of lithium hydroxide and dinitrogen pentaoxide
ΔrG−263.1 kJ/mol
K1.24 × 1046
pK−46.09
2LiOHIonized aqueous solution + N2O5Crystalline solid
2LiNO3Un-ionized aqueous solution + H2OLiquid
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
−263.1
per 1 mol of
−131.6
−263.1
per 1 mol of
−131.6
per 1 mol of
−263.1

Changes in aqueous solution (3)

Reaction of lithium hydroxide and dinitrogen pentaoxide
ΔrG−256.4 kJ/mol
K8.30 × 1044
pK−44.92
2LiOHUn-ionized aqueous solution + N2O5Crystalline solid
2LiNO3Ionized aqueous solution + H2OLiquid
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
−197.6−256.4197.9
per 1 mol of
−98.80−128.298.95
−197.6−256.4197.9
per 1 mol of
−98.80−128.298.95
per 1 mol of
−197.6−256.4197.9

Changes in aqueous solution (4)

Reaction of lithium hydroxide and dinitrogen pentaoxide
ΔrG−260.6 kJ/mol
K4.52 × 1045
pK−45.66
2LiOHUn-ionized aqueous solution + N2O5Crystalline solid
2LiNO3Un-ionized aqueous solution + H2OLiquid
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
−260.6
per 1 mol of
−130.3
−260.6
per 1 mol of
−130.3
per 1 mol of
−260.6

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
LiOH (cr)-484.93[1]-438.95[1]42.80[1]49.66[1]
LiOH (g)-238.1[1]-242.3[1]210.90[1]46.02[1]
LiOH (ai)-508.48[1]-450.58[1]2.80[1]-79.9[1]
LiOH (ao)-508.4[1]-451.8[1]7.1[1]
LiOH (cr)
1 hydrate
-788.01[1]-680.95[1]71.21[1]79.50[1]
N2O5 (cr)-43.1[1]113.9[1]178.2[1]143.1[1]
N2O5 (g)11.3[1]115.1[1]355.7[1]84.5[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-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
LiNO3 (cr)-483.13[1]-381.1[1]90.0[1]
LiNO3 (ai)-485.85[1]-404.5[1]160.2[1]-18.0[1]
LiNO3 (ao)-406.6[1]
LiNO3 (cr)
3 hydrate
-1374.4[1]-1103.5[1]223.4[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, (l):Liquid, (g):Gas

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)