Balance the following chemical equation by providing the correct
coefficients.
_FeBr3 +_Na2S -> _Fe2S3 + _NaBr

Need on both questionswill markbr />

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

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?