Chemistry Practice Problems Energy Diagram Practice Problems Solution: We can use a 2-D potential energy surface to depic...

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Solution: We can use a 2-D potential energy surface to depict the progress of a reaction. Given the following: a. The y-axis should be labeled as ___________ and the x-axis should be labeled as ____________ . b. From the labels A-G, _______ is/are the reactant(s), _______ is/are the product(s), _______ is/are the reaction intermediates, and _______ is/are the transition states (activated complexes). c. The reaction profile depicts _____ number of elementary steps. d. Step ____ is rate-limiting. e. The overall reaction is __________ (endothermic, exothermic). f. Write the equation for the overall reaction:  g. Explain how the addition of a catalyst will change the reaction depicted above. Will the rate law for the uncatalyzed and catalyzed reaction necessarily be the same? h. What is the difference between an activated complex and a reaction intermediate?

Problem

We can use a 2-D potential energy surface to depict the progress of a reaction. Given the following:

a. The y-axis should be labeled as ___________ and the x-axis should be labeled as ____________ .

b. From the labels A-G, _______ is/are the reactant(s), _______ is/are the product(s), _______ is/are the reaction intermediates, and _______ is/are the transition states (activated complexes).

c. The reaction profile depicts _____ number of elementary steps.

d. Step ____ is rate-limiting.

e. The overall reaction is __________ (endothermic, exothermic).

f. Write the equation for the overall reaction: 

g. Explain how the addition of a catalyst will change the reaction depicted above. Will the rate law for the uncatalyzed and catalyzed reaction necessarily be the same?

h. What is the difference between an activated complex and a reaction intermediate?