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experiment 3 lab report

experiment 3 lab report - Reubin Sabu Partner Jonathon...

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Reubin Sabu Partner: Jonathon Herron Chem Lab 117-517 EXPERIMENT #3: Pressure, Volume, & Temperature: Discovery of the Gas Laws SUMMARY: In experiment #3, we observed the relationships that exist among the pressure, volume, and temperature of a sample of air. In part A, we determined the relationship between the pressure and volume of a confined sample of air. In part B, we study the relationship between the temperature of air and the pressure that it exerts. We will keep the volume and number of molecules constant as well. After both parts, we were able to see that pressure works inversely with volume but pressure works directly with temperature. RESULTS: PART A: Volume vs Pressure Volume(ml) Pressure(k Pa) K 5 187.7 939 7 138.07 966 10 100.35 1004 12 83.59 1003 15 67.41 1011 18 56.82 1023 20 51.17 1023
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PART B: Temperature vs Pressure Temperature (Kelvins) Pressure (kPa) K 372.20 122.53 0.33 366.24 120.8 0.33 361.403 119.07 0.33 357.74 118.49 0.33 353.967 116.88 0.33 346.288 115.13 0.33 339.266 113.39 0.33 337.277 112.48 0.33 335.669 111.98 0.33 319.161 107.81 0.34 311.833 106.19 0.34 304.956 103.71 0.34 288.711 97.8 0.34 283.893 96.26 0.34 280.035 93.91 0.34 278.276 93.74 0.34 276.21 93.06 0.34
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GRAPHS & CALCULATIONS: Finding Pressure or Volume: P1*v1= p2*v2 100.35*10 ≈ 83.59*12 Part A: K= P * V ex. 5 x 187.7 = 939
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