lecture 5 - Lecture 5 MOLECULES IN MOTION: Ideal Gases...

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Lecture 5 MOLECULES IN MOTION: Ideal Gases Key Idea: Gas molecules are in constant motion. There are two general types of containers: rigid and flexible. A rigid container has a fixed volume. A flexible container can vary in size. Kinetic View of Gases The molecules are in constant motion. The molecules move in straight lines. The molecules change direction when they collide with each other or with the walls of the container. The molecules do not lose energy when they collide with the walls of the container. Molecular speed, v (m/s) Number of molecules High T Low T Distribution of molecular speeds, Boltzmann distribution v v Volume and Temperature Height vs. Temperature of a Gas 0 20 40 60 80 100 Temperature in Degrees Height Volume vs. Temperature of a Gas Temperature in degrees Volume Volume and Temperature Can the volume go below zero? Volume vs. Temperature 0 100 200 300 400 500 -300 -200 -100 0 100 200 300 Temperature (°C) Volume (mL) -273°C Volume vs. Temperature Temperature ( o C)
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Volume vs. Temperature
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This note was uploaded on 04/03/2008 for the course CHEM 1A taught by Professor Nitsche during the Fall '08 term at University of California, Berkeley.

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lecture 5 - Lecture 5 MOLECULES IN MOTION: Ideal Gases...

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