A fuel mixture containing 40% methane, 40% ethane, and 20%hydrogen is burned with 25% excess air. The combustion is incomplete. Identify all chemical reactions needed to calculate theoretical oxygen. 2

\mathrm{H} 2+2 \mathrm{O} 2 \rightarrow 2 \mathrm{H} 2 \mathrm{O}+\mathrm{CO} 2 \mathrm{H} 2+\mathrm{O} 2 \rightarrow \mathrm{H} 2 \mathrm{O}+\mathrm{CO} \mathrm{C} 2 \mathrm{H} 6+5 / 2 \mathrm{O} 2 \rightarrow 2 \mathrm{CO}+3 \mathrm{H} 2 \mathrm{O} \mathrm{CH} 4+3 / 2 \mathrm{O} 2 \rightarrow \mathrm{CO}+2 \mathrm{H} 2 \mathrm{O} 2 \mathrm{H} 2+\mathrm{O} 2 \rightarrow 2 \mathrm{H} 2 \mathrm{O} \mathrm{CPH} 6+712 \mathrm{O} 2->2 \mathrm{CO} 2+3 \mathrm{H} 20 \mathrm{CH} 4+2 \mathrm{O} 2 \rightarrow \mathrm{CO} 2+2 \mathrm{H} 2 \mathrm{O}