Lab 8 Gas Law.doc - Gas Law Simulation Purpose To determine...

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Gas Law Simulation Purpose: To determine the mathematical relationships between the various properties of gasses. Resources: Gas Properties Simulation from PhET Directions: Complete the tasks outlined using the simulator and answer the questions. When opened select the Ruler and Species Information buttons from the Measurement Tools Menu. 1. Add 100 heavy particles to the simulator. Record the temperature (T) and pressure (P). Temperature: 370 K – 435 K Pressure: .22 Atm - .31 Atm 2. Add heat to the particles. Record temperature and average speed of the particles. What happens to the average speed of the particles as temperature increases? The average speed was around 680 m/sec. The temperature was constantly increasing as I applied heat; but in a second trial with only around 3-5 seconds of heat before I released it, the temperature stayed around 1,300 K. As the temperature continues to increase, the speed increases as well, until they gained enough speed to break the system. 3. Reset the simulator and add 50 heavy and 50 light particles. Record the T and volume (V), and speed. How do the average speeds of the different particles compare at the same temperature? Temperature: 390 K – 405 K Pressure: .30 Atm - .40 Atm Speed: Heavier particles: 415 m/sec – 435 m/sec ~ Lighter particles: 1,000 m/sec – 1,110 m/sec Volume:
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