2. The diameter of a human hair is 120 micrometers. Determine the number of hairs that would fit in single file on a line
that is 1.5 inches long.

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Evaluate this exponential expression,8. (2 + 3)2 – 42

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)