Question

Use the equation to answer the question.

CH4 + 2O2 → CO2 + 2H2O
C
H
4

+

2
O
2

→

C
O
2

+

2
H
2
O

If you change the 2 in front of 2O2
2
O
2
to a 3, what will be the change in the results on the right side of the equation?

(1 point)
Responses

There is an extra O2
O
2
molecule left over.
There is an extra cap o sub 2 molecule left over.

There are now 3CO2
3
C
O
2
molecules.
There are now 3 cap c cap o sub 2 molecules.

There are now 3H2O
3
H
2
O
molecules.
There are now 3 cap h sub 2 cap o molecules.

Nothing changes in the equation.

Answer 1

If you change the 2 in front of 2O2 to a 3, the change in the results on the right side of the equation will be that there are now 3CO2 molecules and 3H2O molecules. So, the correct answer is "There are now 3CO2 molecules and 3H2O molecules."