What is the best explanation of how the evidence connects to the reason? Dangerous chemicals kill off the fish at an alarming rate. Many of these substances, when eaten, cause serious health problems over time. Hydrocarbons and heavy metals could be used to make more electronics instead.

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.