Physics

The Physics Philes, lesson 127: Kinetic-Molecular Model of Ideal Gases, Part 2

It’s been a couple of weeks, but now it’s time to continue our discussion of the kinetic-molecular model of ideal gases. Let’s have a little discussion on pressure and the kinetic energies of molecules. Let’s think about the absolute value of the velocity in the x-direction from last time. That …

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Physics

The Physics Philes, lesson 124: Exploding Potatoes and Equations of State

Last week we finished the chapter on temperature and heat. We learned what heat is, how it moves, and how its measured. It was a good time, but it’s time to move on. Now we’re going to explore the thermal properties of matter. From just living in the world, I …

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