What are the three (3) things involved in stoichiometry problems???

Calcium chloride +gold(1) oxide—>

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

Which description best characterizes the motion of particles in a solid?