_Phet_Simulation_-_Gases_Intro_-_Students.docx - Unit 8 Gas...

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Unit 8 Gas Laws Name Olivia DeStefano PhET Simulation - “Gases Intro”Block 7Size vs Speed of Particles 1.Click on the Intro icon. Click the green + sign to open the Particle box. Pump 100 heavy, blue gas molecules intothe chamber. Explain their behavior. Do they move fast or slow? Do they curve or move in straight paths? 2.Now click the red dot under the pump that represents the smaller gas particles. Pump in 100 light, red gasmolecules into the chamber. 3. 4.What type of relationship is this: 5.Sketch a graph that represents this relationship: Temperature (T) vs Pressure (P) of Particles1.Click the heat control handle on the bucket belowthe gas chamber. Drag it upward to increase the heat to 500 K (227 °C). 2.Now increase the heat to 1000 K (727 °C). 3. 4.What type of relationship is this: 5. Sketch a graph that represents this relationship: Volume (V) vs Pressure (P) of Particles 1. Reset the system by clicking the orange circle with the curved arrow in the far right corner. 2. Click on the collision counter to open the Wall Collision window. Set Sample Period to 20 ps.

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