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

Question 1 of 15

2. What is a catalyst?

Question 2 of 15

3. Explain how a catalyst works

Question 3 of 15

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

Question 4 of 15

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

Question 5 of 15

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

Question 6 of 15

7. State 5 ways in which the rate of reaction could be increased

Question 7 of 15

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

Question 8 of 15

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

Question 9 of 15

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

Question 10 of 15

11. What happens if two particles collide with less than the activation energy

Question 11 of 15

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

Question 12 of 15

13. Write the word equation for the decompostion of hydrogen peroxide, H₂O₂

Question 13 of 15

14. 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 14 of 15

15. The reaction between magnesium and hydrochloric acid was used to measure the rate of reaction at different temperatures. Name 4 things which should be kept constant.

Question 15 of 15


 

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