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

Question 1 of 15

2. What is a catalyst?

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

Question 4 of 15

5. Explain how a catalyst works

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

Question 7 of 15

8. 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 with a lower concentration of hydrochloric acid?

Question 8 of 15

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

Question 9 of 15

10. What is meant by the term activation energy?

Question 10 of 15

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

Question 11 of 15

12. What happens to the rate of reaction if the temperature is INCREASED?

Question 12 of 15

13. 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 13 of 15

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

Question 14 of 15

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

Question 15 of 15


 

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