Calcula el % de soluto en 00.7 ml de agua con 12.4 de cloruro de bario

Which uses electromagnetic radiation to discover the properties and composition of bodies in space? space probe space station space shuttle space observatory

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen