Show how you calculate a rectangular piece of iron that has sides with lengths of 7.08×10 to the -3rd m 2.18×10 to the -2 m and 4.51×10 to the third -3rd m. The question is what is the volume. Show calculations.

One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

What is the molar mass of potassium nitrate, kno3