BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

Solutions

Chapter
Section
BuyFindarrow_forward

Chemistry

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

At 2200°C, Kp = 0.050 for the reaction

N 2 ( g ) + O 2 ( g ) 2 NO ( g )

What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.80 and 0.20 atm, respectively?

Interpretation Introduction

Interpretation: The equilibrium constant value for the reaction between N2 and O2 , placed in a flask at an initial pressure of 0.80 and 0.20atm , is given. The partial pressure of NO is to be calculated.

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 pressure, it is represented as Kp .

To determine: The partial pressure of NO .

Explanation

Given

The initial partial pressure of N2(g) is 0.80atm .

The initial partial pressure of O2(g) is 0.20atm .

The value of the equilibrium constant (Kp) is 0.050 .

The reaction that takes place between hydrogen gas and nitrogen gas is,

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

At equilibrium, the equilibrium ratio is expressed by the formula,

Kp=PartialpressureofproductsPartialpressureofreactants

Where,

  • Kp is the equilibrium constant in terms of partial pressure.

The equilibrium ratio for the given reaction is,

Kp=(PNO)2(PN2)(PO2) (1)

The equilibrium partial pressure values are represented as,

N2(g)+O2(g)2NO(g)Initial(atm)0.800.200Change(atm)-x-x+2xEquilibrium(atm)0.80-x0.20-x2x

According to the ICE table formed,

The equilibrium partial pressure of N2 (PN2) is 0.80x .

The equilibrium partial pressure of O2 (PO2) is 0.20x .

The equilibrium partial pressure of NO (PNO) is 2x .

Substitute the values of PN2 , PH2 and PNH3 in equation (1).

Kp=(2x)2(0.80x)(0.20x)

Substitute the given value of Kp in the above expression

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Chapter 13 Solutions

Show all chapter solutions add

Additional Science Solutions

Find more solutions based on key concepts

Show solutions add

Weight-bearing activity that improves muscle strength and endurance has no effect on maintaining bone mass. T F

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

Make the following temperature conversions:

Chemistry & Chemical Reactivity

What is the nucleolus, and what is its function?

Biology: The Dynamic Science (MindTap Course List)

Does the cell cycle refer to mitosis as well as meiosis?

Human Heredity: Principles and Issues (MindTap Course List)

What kind of spectrum does a neon sign produce?

Horizons: Exploring the Universe (MindTap Course List)

A submarine dives from the water surface at an angle of 30 below the horizontal, following a straight path 50 m...

Physics for Scientists and Engineers, Technology Update (No access codes included)