II RevieW I Constants I Periodic Table Ethyl chloride vapor decomposes by the first-order reaction C2H5C1 → C2H4 + HC1 Part A The activation energy is 249 kJ/mol and the frequency factor is 1.6 x 1014s-! Find the value of the specific rate constant at 730 K . Express your answer using two significant figures. k = 2.4x10-4 s1 Previous Answers Submit v Correct Correct answer is shown. Your answer 2.43-10= 2.43x10-4 swas either rounded differently or used a different number of significant figures than required for this part. Important: If you use this answer in later parts, use the full unrounded value in your calculations. Part B Find the fraction of the ethyl chloride that decomposes in 10 minutes at this temperature. Express your answer using one significant figure. femplaes Symbols uado redo reset keyboard shortcuts help [C2H5CI]0–[C2H5CIJE [C2H5C1]0 Request Answer Submit Part C Find the temperature at which the rate of the reaction would be twice as fast. Express your answer using two significant figures. fempla es Symbols uado redo reset keyboard shortcuts help T = K Request Answer Submit

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