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https://session masteringchemistry.com/myct/itemView?assignmentProblemID-58497217 CH122 W16 Barth Chanter 13 (Chomical Kinetics) Queons Question 2 at is the average reaction rate between 0. and Tbo0. S Question 2 Express your answer to three significant figures and include the appropriate units. An average reaction rate is calculated as the change in the concentration of reactants or products over a period of time in the course of the reaction. An instantaneous reaction rate is the rate at a particular moment in the reaction and is usually determined graphically rate Value Units The reaction of compound A forming compound B was studied and the following data were collected: Submit Hint M·Answers GheUp Review Part Time (s) [A (M) Incorrect: Try Again: 3 attempts remaining 0. 0.184 200. 0.129 500. 0.069 800. 0.031 200. 0.019 1500. 0.016 Part B What is the average reaction rate between 200. and 1200. s ? Express your answer to three significant figures and include the appropriate units. 0? rate = Search the web and Windows AVI acer

Explanation / Answer

A) Average rate of reaction between 0 to 1500 sec

= - ( [A] at 1500 s - [A] at 0 s ) / (1500 - 0)

= - (0.016 - 0.184) / (1500 ) = 1.12 x 10^-4 M / s

B) Average rate of reaction between 200 to 1200 sec

= - ( [A] at 1200 s - [A] at 200 s ) / (1200 - 200)

= - (0.019 - 0.129) / 1000 = 1.1 x 10^-4 M / s

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