3.612 x 10^24 molecules of Phosphorus?

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg

How is the use of hydroelectric power related to the sun