Suppose that biuret reagent turns purple when it is added to an unknown substance. what can you conclude about the substancea. the substance is a acidb. substance contains proteinc. substance contains starchd. none of the above are valid

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.