In a 0.050 M solution of a weak, polyprotic acid, what is the equilibrium concentration of A ^-2 ?

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

How do you convert 4 mmol of bromobenzene to ml?

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease