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Welcome to Who Wants to be a Millionaire

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Presentation on theme: "Welcome to Who Wants to be a Millionaire"— Presentation transcript:

1 Welcome to Who Wants to be a Millionaire
50:50 15 $1 Million 14 $500,000 Welcome to Who Wants to be a Millionaire 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

2 Another Presentation © 2000 - All rights Reserved Mark E. Damon

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4 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

5 Rate Laws are Determined by…
15 $1 Million 14 $500,000 13 $250,000 12 $125,000 Rate Laws are Determined by… 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B: Calculating KE, frequency of collision, and temperature of reaction A: studying reaction mechanisms C: Applying collision theory to a reaction D: Experiment

6 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

7 At Equilibrium… 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11
$64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B: Only the forward reaction continues A: The reaction has ceased. C: Only the reverse reaction continues D: Both the forward and reverse reactions continue

8 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

9 A reaction in which all the reactants form only products is…
15 $1 Million 14 $500,000 13 $250,000 12 $125,000 A reaction in which all the reactants form only products is… 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: At Equilibrium B: Catalyzed C: Complete D: Reversible

10 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

11 Reactions tend to run to completion if…
15 $1 Million 14 $500,000 13 $250,000 12 $125,000 Reactions tend to run to completion if… 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: A gaseous product forms and escapes B: A product in the same phase as the reactants forms C: One product is highly ionized D: One product is highly soluble

12 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

13 How do Reaction Rates Change with time?
15 $1 Million 14 $500,000 13 $250,000 12 $125,000 How do Reaction Rates Change with time? 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: They increase. B: They decrease. D: There is no way to measure how they change. C: They remain constant

14 You’ve Reached the $1,000 Milestone! Congratulations! Congratulations!

15 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

16 15 $1 Million 14 $500,000 What are two names for a short-lived structure formed during a collision? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: Catalyst B: Activated Complex C: Inhibitor D: Intermediate

17 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

18 An activated complex… 15 $1 Million 14 $500,000 13 $250,000 12
$125,000 An activated complex… 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: Always separates into products B: Always separates into reactants C: May separate into either reactants or products D: Is absorbed by catalysts

19 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

20 15 $1 Million 14 $500,000 If doubling the concentration of a reactant quadruples the rate of the reaction, the concentration of the reactant appears in the rate law with an exponent of 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 4 B: 3 C: 2 D: 1

21 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

22 Which two processes are at equilibrium in a saturated salt solution?
15 $1 Million 14 $500,000 Which two processes are at equilibrium in a saturated salt solution? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: evaporation and crystallization B: evaporation and condensation C: decomposition and synthesis D: ionization and recombination

23 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

24 Which of the following salts is least soluble?
15 $1 Million 14 $500,000 13 $250,000 12 $125,000 Which of the following salts is least soluble? 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: Ag2CO3, Ksp = 8.4 x 10-12 B: Ag2CrO4, Ksp = 1.1 x 10-12 C: AgI, Ksp = 1.5 x 10-16 D: AgBr, Ksp = 5.4 x 10-13

25 You’ve Reached the $32,000 Milestone! Congratulations!

26 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

27 15 $1 Million 14 A 985ºC, the equilibrium constant for the reaction, H2 + CO2 ↔ H2O + CO is What is the equilibrium constant for the reverse reaction? $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: B: 2.66 C: D: 1.63

28 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

29 15 $1 Million 14 $500,000 Which of the following rate laws has a rate constant with units of L2mol-2s-2? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: Rate = k[A] B: Rate = k[A]0 C: Rate = k[A][B] D: Rate = k[A][B]2

30 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

31 15 $1 Million 14 $500,000 A first order reaction has a half-life of 36 min. What is the value of the rate constant? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 3.2 x 10-4 s-1 B: 1.9 x 10-3 L mol-1s-1 C: s-1 D: s-1

32 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

33 15 $1 Million 14 $500,000 If the temperature of a reaction is raised from 300K to 320K, the reaction rate will increase by a factor of approximately… 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 320K/300K B: 4 C: 2 D: 20

34 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

35 15 $1 Million 14 $500,000 For the reaction 2NO2(g) ↔ N2O4(g), Kp at 25ºC is 7.3, when all partial pressures are expressed in atmospheres. What is Kc for this reaction? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 4300 B: C: 180 D: 0.29

36 YOU WIN $1 MILLION DOLLARS!


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