1. What will happen to the rate of reaction when we increase pressure ? A (g) + B (g) ⇋ C (g) (-∆H)

Question 1 of 15

2. 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 2 of 15

3. What is meant by the term endothermic?

Question 3 of 15

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

Question 4 of 15

5. Describe the chemical test for water

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

Question 6 of 15

7. What does this diagram represent?

Question 7 of 15

8. Gas particles move at a speed of several hundred metres per second at room temperature. Explain why gases take several minutes to diffuse across a room

Question 8 of 15

9. What does the symbol ⇌ mean?

Question 9 of 15

10. 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 10 of 15

11. Explain why experimental values of enthalpy change differ from theoretical values

Question 11 of 15

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

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. State the expression for calculating % yield.

Question 14 of 15

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

Question 15 of 15