examples of rate of reaction

Question 1

what do catalyst do to chemical reaction?

Answer 1

ensure less energy is needed so lowers activation energy

Question 2

what do kinetic energy do?

Answer 2

number of particles moving required to collide

Question 3

what happens if you increase the temp?

Answer 3

more particles to collide of ae

Question 4

what happens if you decrease temp?

Answer 4

less particles to collide of ae