1. What will happen to the rate of reaction when a catalyst is added? A (g) + B (g) ⇋ C (g) (-∆H)

Question 1 of 15

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

Question 2 of 15

3. What is meant by the term endothermic?

Question 3 of 15

4. What colour is hydrated copper (II) sulfate?

Question 4 of 15

5. In a sealed container, a reversible reaction can reach a state of ______________________________

Question 5 of 15

6. What does this diagram represent?

Question 6 of 15

7. In a calorimetry experiment to investigate the heat energy released by the combustion of ethanol, why should the water in the calorimeter be stirred?

Question 7 of 15

8. The addition of water to anhydrous copper sulfate can be used to test for the presence of water. The reaction is reversible. What is the word equation? Describe the colour change.

Question 8 of 15

9. What name is given to the movement of gases?

Question 9 of 15

10. What does this symbol represent?

Question 10 of 15

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

Question 11 of 15

12. In the thermal decomposition of calcium carbonate, we might expect 50g of calcium carbonate to produce 28g of calcium oxide. If instead only 24g of calcium oxide is produced, what is the percentage yield?

Question 12 of 15

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

Question 13 of 15

14. Why a catalyst does not affect the position of equilibrium in a reversible reaction?

Question 14 of 15

15. One feature of dynamic equilibrium is that the rate of the forward reaction is equal to the rate of the backward reaction. What is the other feature?

Question 15 of 15


 

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