I need help please because a few tutors I got had false answer and when I tried to do it it was also wrong.

Answer:
Explanations:
a) The balanced chemical reaction for the complete combustion of pentane is expressed as:
[tex]C_5H_{12}+8O_{2(g)}\rightarrow5CO_{2(g)}+6H_2O_{(g)}[/tex]Note that oxygen, carbondioxide and water are all in gaseous state.