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x y Coune Home https//session masteringchemistry.com/mycty/mastering /assignment/6328971 aSecure 1 https/ com/myct/itemView?assignmentProblemiD 100219387 UNITI 7 HW Exercise 14.64- Enhanced-with Feedback Part A The rate constant (k) for a reaction was measured as a function of temperature A plot of In k versus Cakculate the activation energy for the reaction Express your answer using three significant figures with the appropriate units. 1/Trin K) is Inear and has a slope of-990-103K You may want to reference P556 612) Section 14.6 while completing this problem E 823.086 kj revioss AnswS Request Answer incorrect: One attempt remaining: Try Again Provide Feedback 40 4- 144

Explanation / Answer

slope = - 9.90 x 10^3 K

slope = - Ea / R

where Ea = activation energy

R = gas constant

slope = - Ea / R

- 9.90 x 10^3 = - Ea / 8.314 x 10^-3

Ea = 82.3 kJ / mol

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