   # Write the equilibrium expression ( K ) for each of the following gas-phase reactions. a . N 2 ( g ) + O 2 ( g ) ⇌ 2 NO ( g ) b . N 2 O 4 ( g ) ⇌ 2 NO 2 ( g ) c. S i H 4 ( g ) + 2 Cl 2 ( g ) ⇌ SiCl 4 ( g ) + 2 H 2 ( g ) d. 2 PBr 3 ( g ) + 3 Cl 2 ( g ) ⇌ 2 PCl 3 ( g ) + 3 Br 2 ( g ) ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 12, Problem 21E
Textbook Problem
15 views

## Write the equilibrium expression (K) for each of the following gas-phase reactions.a. N 2 ( g ) + O 2 ( g ) ⇌ 2 NO ( g ) b.   N 2 O 4 ( g ) ⇌ 2 NO 2 ( g ) c.   S i H 4 ( g ) + 2 Cl 2 ( g ) ⇌ SiCl 4 ( g ) + 2 H 2 ( g ) d. 2 PBr 3 ( g ) + 3 Cl 2 ( g ) ⇌ 2 PCl 3 ( g ) + 3 Br 2 ( g )

(a)

Interpretation Introduction

Interpretation: The equilibrium expression (K) for each of the given gas-phase reactions is to be stated.

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 as K .

To determine: The equilibrium expression (K) for the given reaction.

### Explanation of Solution

Given

The stated reaction is,

N2(g)+O2(g)2NO(g)

At equilibrium, the equilibrium constant expression is stated as,

K=ConcentrationofproductsConcentration</

(b)

Interpretation Introduction

Interpretation: The equilibrium expression (K) for each of the given gas-phase reactions is to be stated.

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 as K .

To determine: The equilibrium expression (K) expression for the given reaction.

(c)

Interpretation Introduction

Interpretation: The equilibrium expression (K) for each of the given gas-phase reactions is to be stated.

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 as K .

To determine: The equilibrium expression (K) for the given reaction.

(d)

Interpretation Introduction

Interpretation: The equilibrium expression (K) for each of the given gas-phase reactions is to be stated.

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 as K .

To determine: The equilibrium expression (K) for the given reaction.

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