The number of moles of cl- ions needed to combine completely with 0.25 moles of mg+2 ions is: 0.50 0.125 0.75 0.25

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d