Draw Sn2 product and product of elimination of bromocyclopentane?

Our daily organic question give us today, The Organic Chemistry exam is just around the corner and the following question was supposedly included in the exam last summer semester So this is a bromocyclopentane. But the problem is that there's a bromine attached not only to the first carbon atom, but also to the third…

Why is the reaction of pentane with oxygen so explosive?

Hello! I'm currently working on a presentation on the pentane rocket experiment, in which a cylinder attached to a rope is filled with pentane and oxygen. This mixture is then ignited and reacts explosively. I am aware that most of the energy for the propulsion of the "rocket"/bottle comes from the expansion of the water…