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

Question 1 of 15

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

Question 2 of 15

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

Question 3 of 15

4. Explain how a catalyst works

Question 4 of 15

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

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. What is a catalyst?

Question 7 of 15

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

Question 8 of 15

9. Explain the effects of increasing the temperature on the rate of a reaction in terms of particle collision theory

Question 9 of 15

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

Question 10 of 15

11. 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 11 of 15

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

Question 12 of 15

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

Question 13 of 15

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

Question 14 of 15

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

Question 15 of 15


 

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