222 Chapter Five Gases !t1 .-• iii Real gas behavior • Real gases behave ideally only at high temperatures and low pressures • Understanding how the ideal gas equation must be modified to account for real gas behavior helps us understand how gases behave on a molecular level • Van der Waals found that to describe real gas behavior we must consider particle interactions and particle volumes REVIEW QUESTIONS 1. Explain how a barometer and a manometer work to measure the pressure of the atmosphere or the pressure of a gas in a container. 2. What are Boyle's law, Charles's law, and Avogadro's law? What plots do you make to show a linear relationship for each law? 3. Show how Boyle's law, Charles's law, and Avogadro's law are special cases of the ideal gas law. Using the ideal gas law, determine the relationship between P and n (at constant V and T) and between P and T (at constant V and n). 4.
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