5 examples of a combustion reactions.

1.) C2H6 + O 2 - - - > CO 2 + H 2 O

2.) CH4 + O 2 - - - > CO 2 + H 2 O

3.) C6H12O6 + O 2 - - - > CO 2 + H 2 O

4.) C2H5OH + O2 - - - > CO 2 + H 2 O

(The numbers are the little tiny 2's or 3's next to the letters!)