MasteringChemistry: Quiz 3- Google Chrome https://session.masteringchemistry.com

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MasteringChemistry: Quiz 3- Google Chrome https://session.masteringchemistry.com/myct/itemView?assignmentProblemiD-57246316 CHEM 1215 10 am TTH Spring 2016 Quiz 3 Problem 14.95 Resources e previous 15 of 15 I retun to assignme Problem 14.95 Part A The activation energy of an uncatalyzed reaction is 85 kJ/mol. The addition of a catalyst lowers the activation energy to 56 kJ/mol Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 26 °C? Express your answer using two significant figures. ke/k Submit My Answers Give Up Incorrect: Try Again; 3 attempts remaining Part B Assuming that the collision factor remains the same, by what factor will the catalyst increase the rt of the reaction at 110 C? na twn significant figures

Explanation / Answer

Part A, assuming collission factor to be the same, the rate of increase factor would be,

kc/k = 0.66

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