Could someone me with these answers .

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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.

Air can be considered a mixture. which statement does not explain why?