Answered: Which is the highest energy-the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which is the highest energy-the reactants the products or the activated complex?

Expert Solution

Step 1Theories of reaction rates

1. Collision theory :

Without collisions beteween reactant molecules no chemical reactions takes place
All collisions does not leads to form products, only few collisions gives products. Thesee collisions are called friutful (or) sucessful collisions
In order to form products reactant molecules must posses some minimum amount of energy called " threshold energy "
Under ordinary conditions most of the molecules having energy lesss than threshold energy these molecules are called normal molecules
The additional amount of energy supplied to the normal molecules to attain threshold energy is called ' activation energy"
Activation energy (E_a) = threshold energy - Average energy of normal molecules
The reactnant molecules which are having energy greater than (OR) equal to threshold energy colloids in a proper dirrection products are formed
Higher the value of threshold energy lower is the rate of reaction

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