00:02
Hello, in this question we are given this unbalanced equation and we are asked to balance it.
00:09
And balancing means that we need to add coefficients so that we have the same number of each type of atom on each side of the equation.
00:17
So let's just jump right in and we'll start off with iron.
00:20
There's one iron on the left but we have two on the right.
00:23
That means we need to add a coefficient of two in front of the fe on the left to give us two iron on each side.
00:31
Next let's look at the oxygen.
00:32
We have o2 on the left and o3 on the right.
00:38
Well to get these to balance there's not a whole number that we could write on either side that would make these equal.
00:46
What we need to do is to bump them both up to the least common multiple of two and three.
00:56
So the least common multiple of two and three is of course six.
01:11
So we need to have six of these on each side...