Kinetics Test-4

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McMaster University *

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ENG 2

Subject

Chemistry

Date

Nov 24, 2024

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pdf

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1

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SCH4U Kinetics Test March 2011 Part A: /24 marks Name: Part B: /11 marks Date: Part C: /17 marks PART A: MULTIPLE CHOICE & MATCHING (24 Marks) | 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. l10. [11. |12, | 113. 14 |15, |16 [17. |18, |19. [20. [21. |22, [23. [24. | PART B: SHORT ANSWER Plot a typical rate of reaction graph (Concentration of Reactant vs. Time) and indicate how to determine both average and instantaneous rate of reaction. (3 marks) Tonstantongous slope ot W . What is the rate law? (3 marks) . . _ x = oo relobon behueen . . What are the key concepts of the collision theory? (2 marks) . ‘o - iflexcmx;\\l(’ CD“-\S'\W - ~ Effechive collision = propes— or?e;\;\-d-\bf\. -\'—S‘UPP"UUJ_ e—"e"”@?f ?ori—'lc\Q, seloound. Wl no QW = 1 temp, surfoce ares, conunkrohen. = 4 collimens \ L ete colon - ‘) o of e flechve mihzions)| ~ WKnehe o sholes -~ Cole =\ 0 ol CO\\$'°“—5) X LF\'QC"" ol ks are in Constont . How is the rate-determining step related to the rate-law equation? Give an example to illustrate this relationship. (2 marks) andem MohHON Coe Mchenks o rode —delecmimura Slep = 'E)L?*ov\q}\-\'s ot e law . How can the effect of temperature on the rate of the reaction be explained by collision theory? (2 marks) Tc.m? > 1 4 of colisions T Rochom ol elffechne collisions (7 e,t\cr%) . How can the effect of a catalyst on a reaction be explained by collision theory? (2 marks) CG\’O\\QS* lowess athuahon ene.ratt —= T frachon of molecules «f enagy > E'F* s 0 frockon_of effechve collisions Tutoring Pages Page 4
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