Interpretation: The similarity and differences between the two tables showing the composition of dry air and elements in the atmosphere need to be explained.
Concept Introduction: Air is composed of different gases. Here, the major component is nitrogen and oxygen gas. There are different elements also present in the atmosphere. Air is a part of the atmosphere here, the atmosphere includes air, water earth, and other surroundings.
Explanation of Solution
The following table shows the composition of dry air:
Component | Volume (%) | Partial pressure (kPa) |
Nitrogen | 78.08 | 79.11 |
Oxygen | 20.95 | 21.22 |
Carbon dioxide | 0.04 | 0.04 |
Argon and others | 0.93 | 0.95 |
Total | 100.00 | 101.32 |
The table in which elements in the atmosphere us mentioned list the data on the composition of air. It is represented as follows:
Element | Parts per million |
Nitrogen | 780,900 |
Oxygen | 209,500 |
Argon | 9300 |
Neon | 18 |
Helium | 5.2 |
Krypton | 1.14 |
Hydrogen | 0.5 |
Xenon | 0.086 |
Radon | Traces |
The similarity between the two tables is that both shows the composition of nitrogen, oxygen, and argon in the atmosphere. Here, nitrogen and oxygen are in elemental form as gases. Since carbon dioxide is not an element (it is a compound), its composition is not shown in the table showing elements in the atmosphere. Also, the exact composition of Argon and other neon gases is mentioned in the atmosphere in the second table; however, in the first table, the combined composition of argon and other gases is mentioned. In the second table, the composition is shown in terms of concentration that is parts per million but in the first table, the composition is in terms of volume percentage and partial pressure.
Chapter 14 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY