2NBr3 + 3NaOH → N2 + 3NaBr + 3HOB If there are 40 mol of NBr3 and 48 mol of NaOH, what is the excess reactant?

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?