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What is activation energy for a chemical reaction?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 32Q Chapter 15

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 32Q

What is activation energy for a chemical reaction?

Step-by-Step Solution:
Step 1 of 3

Solution 32Q:

All molecules have certain minimum amount of energy.  These energy can be in the form of kinetic or potential energy. These energy can be used to undergo a chemical reaction when molecules collide. However, when the molecules are moving fast enough with a proper collision orientation,so that the kinetic energy is greater than the minimum energy barrier, then a reaction occurs. The minimum energy is required for a chemical reaction to occur is called the activation energy, Ea.

Thus,  Activation energy is defined as the energy barrier for a chemical reaction which must be overcome for the reactants to be converted into product.

From Arrhenius equation, we can calculated the Activation energy for a reaction:

E = A e-Ea/RT

Where, Ea = activation energy of a reaction

R= Gas constant

T= Temperature in kelvin(K)

A = Frequency factor.

Step 2 of 3

Chapter 15, Problem 32Q is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. Since the solution to 32Q from 15 chapter was answered, more than 345 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. The full step-by-step solution to problem: 32Q from chapter: 15 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. The answer to “What is activation energy for a chemical reaction?” is broken down into a number of easy to follow steps, and 8 words. This full solution covers the following key subjects: Activation, chemical, Energy, reaction. This expansive textbook survival guide covers 19 chapters, and 2046 solutions.

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What is activation energy for a chemical reaction?