I\'m studying for my final and I came across a rate constant question with a dia

Question

I'm studying for my final and I came across a rate constant question with a diagram. It is the potential energy diagrams with the activation energy. When the question asks to circle the largest rate constant and smallest rate constant, the largest would be the fastest (thus having the smallest activation energy), and the smallest would be the slowest (thus having the largest activation energy)? This conclusion is the only one that makes sense to the answer key that was given to us. Thanks for your help!

Explanation / Answer

Yes, it seems like you have a good understanding of the concept. I have included two links that I think explain the concept of activation energy very well. The second one also has a few questions at the bottom with answers to check your understanding.

http://chemwiki.ucdavis.edu/Physical_Chemistry/Kinetics/Reaction_Rates/Temperature_Dependence_of_Reaction_Rates/Arrhenius_Equation/Activation_Energy

http://www.science.uwaterloo.ca/~cchieh/cact/c123/eactivat.html

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