Chapter 14 SI Sheet

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Florida Atlantic University *

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2046

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Chemistry

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Apr 3, 2024

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Jennifer Parkinson Tuesday/Thursday (6:30-7:20) GS 226 General Chem 2-CHM 2046 Wednesday/Friday (9:30-10:20) GS 226 jparkinson2020@fau.edu Chapter 14: Kinetics 1. How do we find reaction rate? 2. T/F Rate can be negative. 3. When writing out reaction rates, the reactants have a negative in front as they appear/disappear, while products are positive as they appear/disappear. 4. Which of the following expression(s) would be considered correct for the rate of this reaction: A + 2B → 3 C A. [?] 𝛥𝑡 B. − [?] 𝛥𝑡 C. − 2[?] 𝛥𝑡 D. [?] 3𝛥𝑡 5. Which of the following expression(s) would be considered incorrect for the rate of this reaction: 4A + 1B → 2C + 5D A. − [?] 4𝛥𝑡 B. − [?] 2𝛥𝑡 C. 2[?] 𝛥𝑡 D. − [?] 5𝛥𝑡
Jennifer Parkinson Tuesday/Thursday (6:30-7:20) GS 226 General Chem 2-CHM 2046 Wednesday/Friday (9:30-10:20) GS 226 jparkinson2020@fau.edu 6. Determine the average rate of formation of C in the equation 2A + B → 3 C, from the 5 to 15 second interval using the table below: Time (s) [B] (M) 0.0 3.00 5.0 2.85 10.0 2.10 15.0 1.26 20.0 1.01 25.0 0.06 7. Determine the average rate of formation of C in the equation 1A + 2 B → 4C, from the 2 to 10 second interval using the table below: Time (s) [A] (M) 0.0 3.00 2.0 1.95 4.0 1.00 6.0 0.206 8.0 0.019 10.0 0.006 8. What are the 4 things that affect rates and how do they effect reaction rates? A. B. C. D. 9. When we don’t have time how do we write a rate law?
Jennifer Parkinson Tuesday/Thursday (6:30-7:20) GS 226 General Chem 2-CHM 2046 Wednesday/Friday (9:30-10:20) GS 226 jparkinson2020@fau.edu 10. According to the equation below, nitrosyl chloride is produced from the reaction of nitrogen monoxide and chlorine: 2NO(g) + Cl 2 (g) → 2NOCl (g) At a certain temperature then following initial rates were obtained for the concentrations listed: Experiment Initial Rate (mol*L -1 *h -1 ) [NO] 0 (mol*L -1 ) [Cl 2 ] 0 (mol*L -1 ) 1 2.25 0.25 0.25 2 20.01 0.75 0.25 3 6.60 0.25 0.75 What is the correct experimental rate law? 11. According to the equation below, nitrosyl chloride is produced from the reaction of nitrogen monoxide and chlorine: 2A + 3B → 4C(g) At a certain temperature then following initial rates were obtained for the concentrations listed: Experiment Initial Rate (mol*L -1 *h -1 ) [A] 0 (mol*L -1 ) [B] 0 (mol*L -1 ) 1 0.150 0.220 0.150 2 1.35 0.220 0.450 3 0.640 0.440 0.150 What is the correct experimental rate law?
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