GCSE Chemistry – Le Chatelier’s Principle
Learning Objectives
-I can describe what is happening to the rate of reactions when they have reached equilibrium
-I can determine the effects that a change in temperature will have on the system, according to Le Chatelier’s Principle
-I can determine the effects that a change in concentration will have on the system, according to Le Chatelier’s Principle
-I can determine the effects that a change in pressure will have on the system, according to Le Chatelier’s Principle
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Question 1 of 42
1. Question
What is the definition of a reversible reaction?
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Question 2 of 42
2. Question
What is the definition of an irreversible reaction?
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Question 3 of 42
3. Question
What is the definition of an open system?
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Question 4 of 42
4. Question
What is the definition of a closed system?
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Question 5 of 42
5. Question
What is the definition of dynamic equilibrium?
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Question 6 of 42
6. Question
What is needed for a reaction to be at equilibrium?
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Question 7 of 42
7. Question
What is needed for a reaction to be at equilibrium?
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Question 8 of 42
8. Question
What does the rate of the forward reaction equal when a reaction is at equilibrium?
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Question 9 of 42
9. Question
What does the rate of the reverse reaction equal when a reaction is at equilibrium?
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Question 10 of 42
10. Question
Why will the position of equilibrium shift when the conditions of a reaction are changed?
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Question 11 of 42
11. Question
If the temperature of a reaction is increased, how does the equilibrium shift?
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Question 12 of 42
12. Question
If the temperature of a reaction is decreased, how does the equilibrium shift?
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Question 13 of 42
13. Question
The temperature of a reaction that is exothermic has been increased, what happens to the amount of the products formed within this reaction?
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Question 14 of 42
14. Question
The temperature of a reaction that is exothermic has been decreased, what happens to the amount of the products formed within this reaction?
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Question 15 of 42
15. Question
Which way will the position of equilibrium favour when the temperature of an exothermic reaction is increased?
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Question 16 of 42
16. Question
Which way will the position of equilibrium favour when the temperature of an exothermic reaction is decreased?
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Question 17 of 42
17. Question
Which way will the position of equilibrium favour when the temperature of an exothermic reaction is increased?
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Question 18 of 42
18. Question
Which way will the position of equilibrium favour when the temperature of an exothermic reaction is decreased?
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Question 19 of 42
19. Question
The temperature of a reaction that is endothermic has been increased, what happens to the amount of the products formed within this reaction?
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Question 20 of 42
20. Question
The temperature of a reaction that is endothermic has been decreased, what happens to the amount of the products formed within this reaction?
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Question 21 of 42
21. Question
Which way will the position of equilibrium favour when the temperature of an endothermic reaction is increased?
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Question 22 of 42
22. Question
Which way will the position of equilibrium favour when the temperature of an endothermic reaction is decreased?
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Question 23 of 42
23. Question
Which way will the position of equilibrium favour when the temperature of an endothermic reaction is increased?
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Question 24 of 42
24. Question
Which way will the position of equilibrium favour when the temperature of an endothermic reaction is decreased?
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Question 25 of 42
25. Question
What will happen to the amount of product formed when the concentration of the reactants of a reaction is increased?
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Question 26 of 42
26. Question
What will happen to the amount of product formed when the concentration of the reactants of a reaction is decreased?
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Question 27 of 42
27. Question
Which way will the position of equilibrium favour when the concentration of the reactants in a reaction is increased?
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Question 28 of 42
28. Question
Which way will the position of equilibrium favour when the concentration of the reactants in a reaction is decreased?
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Question 29 of 42
29. Question
Which way will the position of equilibrium favour when the concentration of the reactants in a reaction is increased?
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Question 30 of 42
30. Question
Which way will the position of equilibrium favour when the concentration of the reactants in a reaction is decreased?
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Question 31 of 42
31. Question
If the forward reaction produces more molecules of gas, what will happen to the amount of products formed when the pressure of the reaction is increased?
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Question 32 of 42
32. Question
If the forward reaction produces more molecules of gas, what will happen to the amount of products formed when the pressure of the reaction is decreased?
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Question 33 of 42
33. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces more molecules of gas is increased?
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Question 34 of 42
34. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces more molecules of gas is decreased?
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Question 35 of 42
35. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces more molecules of gas is increased?
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Question 36 of 42
36. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces more molecules of gas is decreased?
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Question 37 of 42
37. Question
If the forward reaction produces fewer molecules of gas, what will happen to the amount of products formed when the pressure of the reaction is increased?
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Question 38 of 42
38. Question
If the forward reaction produces fewer molecules of gas, what will happen to the amount of products formed when the pressure of the reaction is decreased?
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Question 39 of 42
39. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces fewer molecules of gas is increased?
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Question 40 of 42
40. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces fewer molecules of gas is decreased?
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Question 41 of 42
41. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces fewer molecules of gas is increased?
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Question 42 of 42
42. Question
Which way will the position of equilibrium favour when the pressure of a reaction where the forward reaction produces fewer molecules of gas is decreased?
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