Question

Find out whether combustion reactions are exothermic or endothermic, and explain why.

Answer 1

Is there more to this question or is it explaining how you can tell the difference?

Answer 2

Oh I see. Ome sec.

Answer 3

One*

Answer 4

I feel that they could be both. Depending on the circumstance. A puddle of gas and a match, external. Pistons in a car, internal. These are on a technical basis however.