Chapter 13

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Chapter 13 Gases

• Podcast 13.1 Introduction to Gas Laws

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What properties do gases have?
3
What is pressure?
4
How does pressure relate to the other properties
of gases?
5
Relationships between n,T,V
6
The Named Laws
7
Combined Gas Law
8
Sample Problem

• A sample of gas is at 2.0 atm in a sealed, rigid
  5.0 L container at 30.0 oC. If the temperature
  is raised to 50.0 oC, what is the new pressure?
• Take inventory, convert variables if necessary
• Write formula, solve for desired variable
• Substitute
• Solve

9
A sample of gas is at 2.0 atm in a sealed, rigid
5.0 L container at 30.0 oC. If the temperature
is raised to 50.0 oC, what is the new pressure?