Lab.pdf X 1:21 Lab 14 Models of the Hydro X * Model of the hydrogen ator X C @ Course Home *Lab.pdf https://mylabmastering.pearson.com/?courseld=126865498key=13287207392034308633152024#/ x + X A User Settings ... Course Tools conversion efficiency. low many fission reactions are required to light a 120-W lightbulb for 20 d? Assume an energy release of 212 Me V per fission reaction and a 31 % Express your answer using two significant figures. N = reactions Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining G + Part B What mass of 9% of 25 U corresponds to the number of fission reactions found in part A? Express your answer using two significant figures. ? IVO mg Submal Request Answer 7:22 PM 4/26/2024