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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Describe an experiment that would allow you to prove that the system 3 H2(g) + N2(g) ⇄ 2 NH3(g) is a dynamic equilibrium. (Hint: Consider using a stable isotope such as 15N or 2H.)

Interpretation Introduction

Interpretation:

An experiment which proves that the system 3H2+N22NH3 is a dynamic equilibrium has to be described.

Concept Introduction:

Dynamic nature of equilibrium: When equilibrium is achieved, the forward reaction and reverse reaction continue to occur but that will be at equal rates. It can be said that change in one direction is balanced by the change in the other direction.

Equilibrium constant in terms of concentration[Kc]: Equilibrium constant can be expressed in terms of concentration.

aA(g)+bB(g)cC(g)+dD(g)Kc=[C]c×[D]d[A]a×[B]b

Explanation

Given:

     3H2+N22NH3

At equilibrium the rate of formation of products and reactants will be the same

Dynamic equilibrium can be defined as a chemical equilibrium where the forward and backward rates are constant.

In order to identify whether the given system is in dynamic equilibrium or not we can use stable isotopes like 15N2or2H

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