Answer:
The balanced equation is given below:
CH4 + 2O2 —> CO2 + 2H2O
The coefficients are: 1, 2, 1, 2
Step-by-step explanation:
The equation for the Combustion of methane (CH4) is given below:
CH4 + O2 —> CO2 + H2O
Now we can balance the equation above as follow:
There are 4 atoms of H on the left side and 2 atoms on the right side. It can be balance by putting 2 in front of H2O as shown below:
CH4 + O2 —> CO2 + 2H2O
Now, there are a total of 4 atoms of O on the right side and 2 atoms on the left. It can be balance by putting 2 in front of O2 as shown below:
CH4 + 2O2 —> CO2 + 2H2O
Now the equation is balanced.
The coefficients are: 1, 2, 1, 2