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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

An important reaction in the commercial production of hydrogen is

CO ( g ) + H 2 O ( g ) H 2 ( g ) + CO 2 ( g )

How will this system at equilibrium shift in each of the five following cases?

a. Gaseous carbon dioxide is removed.

b. Water vapor is added.

c. In a rigid reaction container, the pressure is increased by adding helium gas.

d. The temperature is increased (the reaction is exothermic).

e. The pressure is increased by decreasing the volume of the reaction container.

(a)

Interpretation Introduction

Interpretation: The reaction of production of hydrogen is given. The shift of equilibrium is to be predicted for the given conditions.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To determine: The shift of equilibrium when gaseous carbon dioxide is removed for the given reaction.

Explanation

Explanation

The stated reaction is,

CO(g)+H2O(g)H2(g)+CO2(g

(b)

Interpretation Introduction

Interpretation: The reaction of production of hydrogen is given. The shift of equilibrium is to be predicted for the given conditions.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To determine: The shift of equilibrium when water vapor is added in the given reaction.

(c)

Interpretation Introduction

Interpretation: The reaction of production of hydrogen is given. The shift of equilibrium is to be predicted for the given conditions.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To determine: The shift of equilibrium when helium gas is added to increase the pressure of the given reaction.

(d)

Interpretation Introduction

Interpretation: The reaction of production of hydrogen is given. The shift of equilibrium is to be predicted for the given conditions.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To determine: The shift of equilibrium when temperature is increased (exothermic reaction) for the given reaction.

(e)

Interpretation Introduction

Interpretation: The reaction of production of hydrogen is given. The shift of equilibrium is to be predicted for the given conditions.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

To determine: The shift of equilibrium for the given reaction when pressure is increased by decreasing the volume of reaction container.

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