what is the half equation for oxidation process of copper strip immersed in silver nitrate solution?​

Can someone me with questions 12 and 13 plz.

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?

What is the significance sodium hydroxide and hydrochloric acid