   Chapter 10.2, Problem 10.5CYU

Chapter
Section
Textbook Problem

Methane burns in oxygen to give CO2 and H2O, according to the balanced equationCH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g)If 22.4 L of gaseous CH4, is burned, what volume of O2 is required for complete combustion? What volumes of CO2 and H2O are produced? Assume all gases have the same temperature and pressure.

Interpretation Introduction

Interpretation:

The volume of O2 required and the volume of CO2andH2O produced in the given reaction has to be found out.

Concept Introduction:

• To relate the amount of gas and the volume.
• VnatconstantTandP
• V1n1=V2n2V2=V1n2n1
Explanation

The volume of O2 required and the volume of CO2andH2O produced in the given reaction can be calculated as

VnatconstantTandP

Given data:

CH4+2O2CO2+2H2OV1(volumeofCH4)=22.4Lnumber of moles ofCH4=1number of moles ofO2=2numberofmolesofCO2andH2O=1

V1n1=V2n2V2=V1n2n1

Volume of O2 required =(22

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