Identify the catalyst in this reaction, explain how you know it is the catalyst, and describe how it increases the rate of the reaction

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

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

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?