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Solved: What is the effect of increasing the concentration of a reactant in a reaction

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

Solution for problem 18Q 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 18Q

What is the effect of increasing the concentration of a reactant in a reaction mixture at equilibrium?

Step-by-Step Solution:
Step 1 of 3

Solution: Here, we are going to discuss the effect of increasing the concentration in a reaction mixture at equilibrium.

Step1:

Le Chatelier’s principle predicts that when the concentration of any of the reactants or products in a reaction at equilibrium is changed, the composition of the equilibrium mixture changes so as to minimize the effect of concentration change.

Thus, increasing the concentration of a reactant in a reaction mixture at equilibrium will shift the reaction in the direction that consumes the added substance, i.e., the equilibrium shifts in right(forward) direction.

Step2:

Let us consider the reaction,

                        H2(g) + I2(g) ⇄ 2HI(g)

If H2 is added to the reaction mixture at equilibrium, then the equilibrium of the reaction is disturbed. In order to restore it, the reaction proceeds in a direction wherein H2 is consumed, i.e., more of H2 and I2 react to form HI and finally the equilibrium shifts in right(forward) direction. This is in accordance with the Le Chatelier’s principle which implies that in case of addition of a reactant/product, a new equilibrium will be set up in which the concentration of the reactant / product should be less than what it was after the addition but more than what it was in the original mixture.

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Step 2 of 3

Chapter 15, Problem 18Q is Solved
Step 3 of 3

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

Since the solution to 18Q from 15 chapter was answered, more than 349 students have viewed the full step-by-step answer. The answer to “What is the effect of increasing the concentration of a reactant in a reaction mixture at equilibrium?” is broken down into a number of easy to follow steps, and 17 words. The full step-by-step solution to problem: 18Q from chapter: 15 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. This full solution covers the following key subjects: concentration, effect, Equilibrium, increasing, mixture. This expansive textbook survival guide covers 19 chapters, and 2046 solutions.

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Solved: What is the effect of increasing the concentration of a reactant in a reaction