General Chemistry II Spring 2017 Mechanisms and Moleoulatby Mechanisms and Molec

Question

General Chemistry II Spring 2017 Mechanisms and Moleoulatby Mechanisms and Molecularity To undentand hour elementay steps make up a mechanism and howthe rate law for an elementary step can be Very chen reaction does not tel the whole story insance, the reaction and a CO molecule Based Together these elementary Overall, the resuling reaction cancels of the tral chemical quatan No is Analyzing a new reaction Consider the folowing imentary steps that make up the mechanism 12A B. C 2 B+D+E+C Express your as chemicalequation Which species is a reaction intemeiate? 27 31 next

Explanation / Answer

A)

Overall reaction:

add all equations

2A = B+ C

B + D = E + C

2A + B + D = B + 2C + E

cancel common terms

2A + D = 2C + E

B)

the intermediate will dissapear, i.e. will be consumed

so

the intermediate was "B" since it cancels from both sides

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