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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 20.1, Problem 1RC
Textbook Problem
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Which of the following atmospheric gases is present in highest concentration in dry air?

  1. (a) N2O
  2. (b) CH4
  3. (c) O3
  4. (d) CO

Interpretation Introduction

Interpretation: The atmospheric gas is present in highest concentration in dry air should be determined.

Concept Introduction:

Atmospheric gases:

By volume dry air is 78.09% nitrogen, 20.95% oxygen and 0.04% carbon dioxide 0.93% argon gases are present .

Explanation of Solution

Reason for correct option

Given,

The atmospheric gas is present in highest concentration in dry air CH4

This is the atmospheric gases present most abundantly in dry air.

The atmospheric gas is present in highest concentration in dry air CH4 .

Hence the correct option for the enthalpy change is option b.

Reasons for incorrect options:

Write all the less amount of gases present, the options except option b

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Chapter 20 Solutions

Chemistry & Chemical Reactivity
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