What does equilibrium mean?

Ineed ! it’s science and it’s due tomorrow!

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed