Write a description of how you know a chemical reaction is occurring.

Chemical reactions involve the chemical interaction of two or more chemical substances, result in a new substance being formed, and are usually irreversible. The signs of chemical reactions include gas formation, energy release in the form of light or flame, heat absorption, precipitate formation, and color change. 

That would be kinetic energy

That depends on what kind of environ meant it is in  in space it has the same force that was applied when the velocity was gained