7. Balance the following equation. What is the coefficient for Oxygen?*
C.H. +0,-> C0, +H20
2
4
5
8

8. Pentane (CsH22) undergoes a combustion reaction. What is the coefficient
required in front of pentane in its balanced equation? *
C.H2 +0,-> C0, + H2O
5
4
2
1

I know it’s tho questions but PLEASE PLEASE help me it’s for a test and I don’t wanna fail I would REALLY appreciate it if someone could help me with this thanks youu !!!