12.2 ReactionE. (kJ)70128285d)Which reaction has the smallest half-life?e)Which reaction has the largest rate?Which reaction has the smallest rate?

Answered: Reaction E. (kJ) 70 128 285 d) Which…

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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Question

12.2

Reaction
E. (kJ)
70
128
285
d)
Which reaction has the smallest half-life?
e)
Which reaction has the largest rate?
Which reaction has the smallest rate?

Expert Solution

Step 1

Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change in the concentration of reactant and product molecules with time. The rate of reaction expresses by the rate law which states that the rate of reaction is directly proportional to the active concentration of reactant molecules.

Step 2

Activation energy is the minimum energy that is needed to convert reactant to product molecules. Thus for a chemical reaction to be occurred, the correct orientation of molecule and activation energy is needed.

The half-life of a reaction indicates the time in which the half of the reactant changes to product of its original amount.

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