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Answer: What is the effect of decreasing the pressure of a reaction mixture at

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

Solution for problem 25Q 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 25Q

Problem 25Q

What is the effect of decreasing the pressure of a reaction mixture at equilibrium if the product side has fewer moles of gas particles than the reactant side?

Step-by-Step Solution:

Solution 25Q :

Step 1:

Le Chatelier's principle is also called as ‘The equilibrium law’. It states that ‘ The changes to an equilibrium system will result in a predictable shift that will counteract the change’. It is used to predict the changes in system that is caused due to temperature, pressure, volume or concentration.

Changes in pressure is applicable only to gaseous systems. Increase in the pressure results in decrease in the volume and less space, In this case, the equilibrium shifts to the side of the reaction with fewer moles. Decrease in pressure results in increase in volume and hence there is more space and in this case, the equilibrium shifts to the side with more moles.

Hence, decreasing the pressure of a reaction mixture at equilibrium and if the product side has fewer moles of gas particles than the reactant side, then the equilibrium shifts on the reactant side as reactants have more moles than the product side.

 

Step 2 of 1

Chapter 15, Problem 25Q is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Answer: What is the effect of decreasing the pressure of a reaction mixture at