What is the percent of Li in
Li3N?
(Li = 6.94 amu, N = 14.01 amu)

Which organic molecule is found in the chromatin of cells?

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?