Which formula represents a molecule with the most polar bond

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

What is the overall order of reaction for rate = k[no]2[o2]

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from