What percentage of the original kinetic energy is convertible to internal energy?

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

It is really hard for me right know

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?