The Effect of Catalysts on the Rate of Reaction

Question 1

What is the activation energy?

Answer 1

= the minimum amount of energy required for a sucessful chemical reaction to take place/sucessful collisions
= enthalpy difference between the reactants and transition states

Question 2

What is the transition state?

Answer 2

= point where existing chemical bonds are in the process of breaking and new chemical bonds are in the process of forming
= unstable

Question 3

Where is the transition state found?

Answer 3

= on the highest point of the curve in energy diagrams

Question 4

What do catalysts do?

Answer 4

= directs an alternative route with a pathway that has a lower activation energy
= allows more particles to overcome the activation barrier and sucessfully collide
= not used up
= permanently changed

Question 5

What are the advantages and disadvantages of catalysts?

Answer 5

advantages:
= never used up
= saves money
= reduces co2 emmision]
disadvantages:
= toxic
=