Iron has a mass of 7. 87 g per cubic centimeter of volume, and the mass of an iron atom is 9. 27 × 10-26 kg. If you simplify and treat each atom as a cube, (a) what is the average volume required for each iron atom and (b) what is the distance between the centers of adjacent atoms?.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome