If a sample of phosphoric acid has 1.50 x 10E24 hydrogen atoms, what is the mass of the sample?

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse