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C11H24 + 6O2 → 11C + 12H2O

Incomplete combustion of undecane

Incomplete combustion of undecane yields carbon 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

Incomplete combustion of undecane

General equation

Incomplete combustion of hydrocarbon with generating soot
HydrocarbonReducing agent + O2Oxidizing agent
COxidation product + H2OReduction product

Oxidation state of each atom

Incomplete combustion of undecane

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
C11H24Undecane1
Reducing
Hydrocarbon
O2Oxygen6
Oxidizing
Oxygen

Products

Chemical formulaNameCoefficientTypeType in general
equation
CCarbon11
Oxidized
Carbon
H2OWater12
Reduced
Water

Thermodynamic changes

Changes in standard condition (1)

Incomplete combustion of undecane
ΔrG−2868.3 kJ/mol
K3.19 × 10502
pK−502.50
C11H24Liquid + 6O2Gas
11CCrystalline solidgraphite + 12H2OLiquid
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
−3102.8−2868.3−786.9476.3
per 1 mol of
−3102.8−2868.3−786.9476.3
per 1 mol of
−517.13−478.05−131.279.38
per 1 mol of
−282.07−260.75−71.5443.30
per 1 mol of
−258.57−239.03−65.5839.69

Changes in standard condition (2)

Incomplete combustion of undecane
ΔrG−2836.4 kJ/mol
K8.24 × 10496
pK−496.92
C11H24Liquid + 6O2Gas
11CCrystalline soliddiamond + 12H2OLiquid
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
−3081.9−2836.4−823.9449.7
per 1 mol of
−3081.9−2836.4−823.9449.7
per 1 mol of
−513.65−472.73−137.374.95
per 1 mol of
−280.17−257.85−74.9040.88
per 1 mol of
−256.82−236.37−68.6637.48

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
C11H24 (l)-327.2[1]22.8[1]458.1[1]344.9[1]
O2 (g)0[2]0[2]205.138[2]29.355[2]
O2 (ao)-11.7[2]16.4[2]110.9[2]
* (l):Liquid, (g):Gas, (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
C (cr)
graphite
0[2]0[2]5.740[2]8.527[2]
C (cr)
diamond
1.895[2]2.900[2]2.377[2]6.113[2]
C (g)716.682[2]671.257[2]158.096[2]20.838[2]
H2O (cr)
H2O (l)-285.830[2]-237.129[2]69.91[2]75.291[2]
H2O (g)-241.818[2]-228.572[2]188.825[2]33.577[2]
* (cr):Crystalline solid, (g):Gas, (l):Liquid

References

List of references

  1. 1
  2. 2