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

Question 1 of 15

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

Question 2 of 15

3. Explain how a catalyst works

Question 3 of 15

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

Question 4 of 15

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

Question 5 of 15

6. 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 6 of 15

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

Question 7 of 15

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

Question 8 of 15

9. What happens to the rate of reaction if the pressure of gases is INCREASED?

Question 9 of 15

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

Question 10 of 15

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

Question 11 of 15

12. Explain the effects of increasing the pressure of gases on the rate of a reaction in terms of particle collision theory

Question 12 of 15

13. What is meant by the term activation energy?

Question 13 of 15

14. Calcium carbonate reacts with an excess of hydrochloric acid in a flask. The mass of flask and contents decreases over time as the carbon dioxide escapes. This is shown on the graph. How would the graph look different if the reaction was done at a higher temperature?

Question 14 of 15

15. What is a catalyst?

Question 15 of 15


 

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