10:25 PM 80% 9 2 east.cengagenow.com HM 1240 1709 001.501 COMIB Online teaching

Question

10:25 PM 80% 9 2 east.cengagenow.com HM 1240 1709 001.501 COMIB Online teaching and learning resource from Cengage Le.. Graded) Review Topics) 25 E 20 15 o 10 2req C Visited Reaction progress- 5 Use the reaction energy diagram above to answer the following questions. Calculate the activation energy, AG , for the step A to B kcal/mol Calculate the overall energy change, AGo, for the process B to C kcal/mol Which step is faster, (a) A to B or (b) B to A? Submit Answer Retry Entire Group 9 more group attempts remaining

Explanation / Answer

from the diagram

A-B, activation energy DG# = 18 kcal/mol

B-C, activation energy DG0 = 24 kcal/mol

as the DG# is less in A-B, is faster than B-c

answer: A

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