nitrogen and oxygen from an extensive series of oxides with the genreal formula nxoy. what is the mepirical formula for an oxide that fcontains 30.44 percent of mass nitrogen

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Compare sympathetic and parasympathetic