2. 100 200 300 400 500 Collision Theory 100 200 300 400 500 Reaction Mechanisms 100 200 300 400 500 Spontan. reactions 100 200 300 400 500 Equilibrium 100 200 300 400 500 Misc. F

3. Collision Theory - 100 These must be broken and reformed in a chemical reaction. Back to the big board

4. Collision Theory - 200 How and why does an increase in temperature affect reaction rate? Back to the big board

5. Collision Theory - 300 Draw a reaction progress curve for an exothermic reaction. Back to the big board

6. Collision Theory - 400 The unstable arrangement of atoms that exists between reactants and products Back to the big board

7. Collision Theory - 500 Describe how a catalyst speeds up the rate of a reaction. Back to the big board

8. Reaction Mechanisms - 100 This is a reaction that consists of only one step. Back to the big board

9. Reaction Mechanisms - 200 A substance that is a product of one reaction and immediately becomes a reactant in another reaction. Back to the big board

10. Reaction Mechanisms - 300 Draw a reaction progress curve for a 2-step (slow then fast) endothermic reaction. Back to the big board

11. Reaction Mechanisms - 400 This includes all the elementary reactions in a complex reaction. Back to the big board

12. Reaction Mechanisms - 500 On a reaction progress curve, the hills represent these. Back to the big board

13. Spontan. Reactions - 100 The two possible driving forces behind chemical reactions. Back to the big board

14. Spontan. Reactions - 200 When is this reaction spontaneous? I 2 (g) --> I 2 (s) + 62.4kJ Back to the big board

15. Spontan. Reactions - 300 When is this reaction spontaneous? 2H 2 O 2 (l) --> 2H 2 O(l) + O 2 (g) + 98kJ Back to the big board

16. Spontan. Reactions - 400 When is this reaction spontaneous? 3O 2 (g) + 284kJ --> 2O 3 (g) Back to the big board

17. Spontan. Reactions - 500 When is this reaction spontaneous? 2Al 2 O 3 (s) + 3352kJ --> 4Al(s) + 3O 2 (g) Back to the big board

18. Equilibrium - 100 4K + O 2 --> 2K 2 O If there is 95% K 2 O, 4% K, and 1% O 2 at equilibrium, are reactants or products favored? Back to the big board

19. Equilibrium - 200 This is how a catalyst will affect the equilibrium position of a reaction Back to the big board

20. Equilibrium - 300 How do the rates of the forward and reverse reactions compare at equilibrium? Back to the big board

21. Equilibrium - 400 Write the equilibrium constant expression for: 2Ca + O 2 --> 2CaO Back to the big board

22. Equilibrium - 500 Write the equilibrium expression for the combustion of methane (CH 4 ) Back to the big board

23. Misc. - 100 If K eq = 125000 for a reaction, are reactants or products favored? Back to the big board

24. Misc. - 200 Zn + 2HCl H 2 + ZnCl 2 Which way will equilibrium shift if more HCl is added? Back to the big board

25. Misc. - 300 2SO 2 (g) + O 2 (g) --> 2SO 3 (g) + 198kJ What is/are the driving force(s) behind this reaction? Back to the big board

26. Misc. - 400 2SO 2 (g) + O 2 (g) --> 2SO 3 (g) + 198kJ Which way will equilibrium shift if pressure is decreased? Back to the big board

27. Misc. - 500 2CO(g) + O 2 (g) --> 2CO 2 (g) Assuming this reaction is spontaneous, is it exothermic or endothermic? Why? Back to the big board

28. Final Jeopardy! LeChatalier’s Principle And the answer is...

29. SO 3 (g) + H 2 O(l) --> H 2 SO 4 (aq) + 130kJ Which way will equilibrium shift if this system is cooled?