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Part A Determine the activation energy for the reaction Ea 89.5 kJ mol Previous Answers Correct Significant Figures Feedback: Your answer 89.475 kJ mol 1 was either rounded differently or used a different number of significant figures than required for this part. Part B Determine the frequency factor for the reaction. A-4.22x1011 s

Determine the rate constant at 10 °C. Express your answer using two significant figures The kinetics of this reaction were studied as a function of tem-perature. (The reaction is fi rst order in each reactant and second order overall.) C2H, Br(aq) OH (aq) -> C2HOH(l) + Br (aq) Temperature(C)(L mols-1) L mol1 s-1 25 35 45 8.81 × 10-5 0.000285 0.000854 0.00239 0.00633 Submit uest Answer Part D 65 If a reaction mixture is 0.160 mol L in C2Hs Br, and 0.260 mol L reaction at 90 °C? Express your answer using two significant figures in OH , what is the initial rate of the Rate L mol-1 s1

please help with C and D

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A 4-22x10, s EalRTAmten equauem EaIRT aud kl:/е 89.SkJ ta RT TL=10-283 2- つ263 8q.SXI000298-363 2. K646 二 0.2 36 XI δ

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