Atypical rate of deposit of dust ("dustfall") from unpolluted air was reported as 10 tons per square mile per month. (a) express this dustfall in milligrams per square meter per hour. (b) if the dust has an average density of 2 g/cm3, how long would it take to accumulate a layer of dust 1 mm thick?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.