22.0 mL of stock solution is used to produce a .458 M solution after
dilution with 50.0 mL of water. What
is the molarity of the stock solution?

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

When the mercury level in a barometer decreases that atmospheric pressure has

Wind and moving water provide energy. chemical mechanical thermal none of the above