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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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. Suppose the reaction system
2NO ( g ) + O 2 ( g ) 2NO 2 ( g )    has already reached equilibrium. Predict the effect of each of the following changes on the position of the equilibrium. Tell whether the equilibrium will shift to the right, will shift to the left, or will not be affected.
a. Additional oxygen is injected into the system.
b. NO2is removed from the reaction vessel.
c. 1.0 mole of helium is injected into the system.

Interpretation Introduction

(a)

Interpretation:

The effect of the given changes on the position of the equilibrium is to be predicted.

Concept Introduction:

The chemical equilibrium is the state in which the rates of both forward and backward reactions become equal. The concentration of both reactants and products do not change on reaching an equilibrium state.

The general chemical equation is shown below.

aA+bBcC+dD

The general equilibrium expression for a reaction is shown below.

K=CcDdAaBb.

Explanation

The given chemical equation is shown below.

2NOg+O2g2NO2g

It is given that additional oxygen is injected into the system

Interpretation Introduction

(b)

Interpretation:

The effect of the given changes on the position of the equilibrium is to be predicted.

Concept Introduction:

The chemical equilibrium is the state in which the rates of both forward and backward reactions become equal. The concentration of both reactants and products do not change on reaching an equilibrium state.

The general chemical equation is shown below.

aA+bBcC+dD

The general equilibrium expression for a reaction is shown below.

K=CcDdAaBb.

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