1. What is a catalyst?

Question 1 of 15

2. What is meant by the term activation energy?

Question 2 of 15

3. What simple change could be made to a reaction to speed it up dramatically?

Question 3 of 15

4. Give a simple reaction can be used to investigate the effect of changing concentration on the rate of reaction

Question 4 of 15

5. What happens to the rate of reaction if a catalyst is added?

Question 5 of 15

6. Explain the effects of increasing the concentration of solutions on the rate of a reaction in terms of particle collision theory

Question 6 of 15

7. Explain how a catalyst works

Question 7 of 15

8. Explain the effects of increasing the surface area of a solid on the rate of a reaction in terms of particle collision theory

Question 8 of 15

9. State the catalyst used for making oxygen through the decomposition of hydrogen peroxide

Question 9 of 15

10. Give a simple reaction can be used to investigate the effect of changing surface area on the rate of reaction

Question 10 of 15

11. What reactant is used to produce a sample of oxygen in the lab?

Question 11 of 15

12. With how much energy must two particles collide for a reaction to occur?

Question 12 of 15

13. Calcium carbonate reacts with an excess of hydrochloric acid in a flask. The volume of carbon dioxide given off is measured in a gas syringe. This is shown on the graph. How would the graph look different if the reaction was done with twice the volume of the acid?

Question 13 of 15

14. Large chips of calcium carbonate reacts with an excess of hydrochloric acid in a flask. The volume of carbon dioxide given off is measured in a gas syringe. This is shown on the graph. How would the graph look different if the reaction was done with a powdered calcium carbonate?

Question 14 of 15

15. What type of substance speeds up a chemical reaction but is chemically unchanged at the end of the reaction?

Question 15 of 15