Each time you inhale, you take in about 500 mL (two significant figures) of air, each milliliter of which contains 2.5 × 10 19 molecules. In delivering the Gettysburg Address, Abraham Lincoln is estimated to have inhaled about 200 times. (a) How many molecules did Lincoln take in? (b) In the entire atmosphere, there are about 1.1 × 10 44 molecules. What fraction of the molecules in the earth's atmosphere was inhaled by Lincoln at Gettysburg? (c) In the next breath that you take, how many molecules were inhaled by Lincoln at Gettysburg?

BuyFind

Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
Publisher: Cengage Learning
ISBN: 9781305079373
BuyFind

Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
Publisher: Cengage Learning
ISBN: 9781305079373

Solutions

Chapter
Section
Chapter 2, Problem 92QAP
Textbook Problem

Each time you inhale, you take in about 500 mL (two significant figures) of air, each milliliter of which contains 2.5 × 10 19 molecules. In delivering the Gettysburg Address, Abraham Lincoln is estimated to have inhaled about 200 times.

(a) How many molecules did Lincoln take in?

(b) In the entire atmosphere, there are about 1.1 × 10 44 molecules. What fraction of the molecules in the earth's atmosphere was inhaled by Lincoln at Gettysburg?

(c) In the next breath that you take, how many molecules were inhaled by Lincoln at Gettysburg?

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Chapter 2 Solutions

Chemistry: Principles and Reactions
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