what makes substances burn more brightly in pure oxygen than air?

2 ⤊

and why do substances butn in the air?

2007-09-25 10:16:17 · 3 answers · asked by Lauren 1 in Science & Mathematics ➔ Chemistry

burning is actually oxidation of the material, without oxygen, no flame, more oxygen, more flame.

Air contains oxygen, things burn.

2007-09-25 10:19:17 · answer #1 · answered by Anonymous · 0⤊ 0⤋

The concentration of oxygen. Pure oxygen is 100% O; air is 21% O.

2007-09-25 17:20:54 · answer #2 · answered by steve_geo1 7 · 1⤊ 0⤋

Faster oxidation rate of the reaction.

2007-09-25 17:20:52 · answer #3 · answered by Norrie 7 · 1⤊ 0⤋