I need help with this test, big rewards and brainliest if you solve it.

What is the empirical formula for c4h8o2

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions