Petrol combustion

This task is about complete and incomplete combustion.

Here are two equations describing the burning of petrol.

  1. 2C8H18 + 25O2          16CO2 + 18H2O               10808 kJ energy released
  2. 2C8H18 + 14O2          6C + 10CO + 18 H2O      7624 kJ energy released

Question 2Change answer

a)  Identify each reaction as either complete combustion or incomplete combustion.
     i)   Reaction 1 is  complete combustion.incomplete combustion.
     ii)   Reaction 2 is incomplete combustion.complete combustion.

Question 2Change answer

b)  Describe two disadvantages of incomplete combustion.
1.   2.