What cycle describes how nitrogen moves through an ecosystem?​

How do scientists think that gravity affected the formation of our solar system?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Why does ammonia, nh3, behave as a base when it reacts with an acid? z