Answer:
\(4Fe+3O_2\rightarrow 2Fe_2O_3\)
Explanation:
The unbalanced reaction of the reaction between iron and oxygen is shown below as:-
\(Fe+O_2\rightarrow Fe_2O_3\)
On the left hand side,
There is 1 iron atom and 2 oxygen atoms
On the right hand side,
There are 2 iron atoms and 3 oxygen atoms
Thus,
Right side, \(Fe_2O_3\) is multiplied by 2.
Left side, \(O_2\) must be multiplied by 3 and \(Fe\) by 4 so to balance iron and oxygen.
Thus, the balanced reaction is:-
\(4Fe+3O_2\rightarrow 2Fe_2O_3\)
