What are two factors to look for when determining if the reaction is at equilibrium?

Which is mostly likely why many scientists reject the cold fusion theory

In 2002, the rare earth elements mine in mountain pass, california was closed because

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?