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

Question 1 of 15

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

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

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4. What will happen to the yield of C when the pressure is increased? Give a reason for your prediction. A (g) + B (g) ⇋ C (g) (+∆H)

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

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

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7. What colour is anhydrous copper (II) sulfate?

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8. What does the symbol ⇌ mean?

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9. What is a catalyst?

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10. What is meant by the term endothermic?

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11. What does the symbol ΔH mean

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

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14. 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 14 of 15

15. Ammonia and hydrogen chloride react together in a reversible reaction to produce a white solid. What are the word and symbol equations?

Question 15 of 15