Chapter 13, Problem 36E

### Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

Chapter
Section

### Chemistry

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

# For which reactions in Exercise 34 is Kp equal to K?

(a)

Interpretation Introduction

Interpretation: The reactions for which K is equal to Kp are to be identified.

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. When the equilibrium constant is expressed in terms of concentration, it is represented K . When the equilibrium constant is expressed in terms of pressure, it is represented Kp . The relation between ‘ K ’ and ‘ Kp ’ is, Kp=K(RT)Δn .

To determine: If the given has reaction has K equal to Kp .

Explanation

Given

The stated reaction is,

2Fe(s)+32O2(g)Fe2O3(s)

The relation between ‘ K ’ and ‘ Kp ’ is,

Kp=K(RT)Δn

Where,

• R is the gas constant.
• T is the temperature.
• Δn is the change in the number of moles

The value of K is equal to Kp if the value of Δn is zero

(b)

Interpretation Introduction

Interpretation: The reactions for which K is equal to Kp are to be identified.

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. When the equilibrium constant is expressed in terms of concentration, it is represented K . When the equilibrium constant is expressed in terms of pressure, it is represented Kp . The relation between ‘ K ’ and ‘ Kp ’ is, Kp=K(RT)Δn .

To determine: If the given has reaction has K equal to Kp .

(c)

Interpretation Introduction

Interpretation: The reactions for which K is equal to Kp are to be identified.

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. When the equilibrium constant is expressed in terms of concentration, it is represented K . When the equilibrium constant is expressed in terms of pressure, it is represented Kp . The relation between ‘ K ’ and ‘ Kp ’ is, Kp=K(RT)Δn .

To determine: If the given has reaction has K equal to Kp .

(d)

Interpretation Introduction

Interpretation: The reactions for which K is equal to Kp are to be identified.

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. When the equilibrium constant is expressed in terms of concentration, it is represented K . When the equilibrium constant is expressed in terms of pressure, it is represented Kp . The relation between ‘ K ’ and ‘ Kp ’ is, Kp=K(RT)Δn .

To determine: If the given has reaction has K equal to Kp .

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