1. For a reversible reaction to reach dynamic equilibria, where must the reaction take place?

Question 1 of 15

2. State the observation in the reaction between HCl(g) and NH₃(g)

Question 2 of 15

3. 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 3 of 15

4. One feature of dynamic equilibrium is that there is no overall change in concentrations. What is the other?

Question 4 of 15

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

Question 5 of 15

6. What is meant by the term endothermic?

Question 6 of 15

7. What does the symbol ⇌ mean?

Question 7 of 15

8. What does this diagram represent?

Question 8 of 15

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

Question 9 of 15

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

Question 10 of 15

11. What is a catalyst?

Question 11 of 15

12. What will happen to the equilibrium position when we decrease temperature? Give a reason for your prediction. 2A (s) + B (g) ⇋ C (g) + D (g) (+∆H)

Question 12 of 15

13. 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 13 of 15

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

Question 14 of 15

15. Describe the chemical test for water

Question 15 of 15