The bathroom mirror has water droplets on it after a hot shower. choose the correct phase change. HELPP

Which property of water causes water drops to bead on a freshly waxed car?

Which of the following has potential energy but no kinetic energy? longitudinal sound waves an arrow shot from a bow a compressed spring a vibrating atom

I'm a tad bit confused on how to name compounds with molar mass and was wondering what was the difference between the formulas dealing with covalent and iconic if someone could pls explain these directions that would be great