The Properties of Gases

The Properties of Gases - The Properties of Gases...

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The Properties of Gases Objective : This experiment was conducted in order to study the dependence of the volume of gas on temperature and pressure. Experimental Data : Part A: Charles’ Law Initial length of air: 4.5 cm Temperature (C*) Length of air (cm) 5 4.3 25 4.9 35 5.0 50 5.1 65 5.4 75 5.7 95 6.1 Part B: Boyle’s Law Volume (mL) Pressure (mmHg) 4 0.7 1 596.5 2 312.4 5 -114.8 3 132.5 10 -380.2 8 -298.1 12 -423.5 7 -235.9 15 -478.1 13 -441.7 6 -186.8 11 -403.9 9 -337.6 19 -528.2 16 -491.3 4 -4.9 Sample Calculations : Charles’ Law: V= (pi)r 2 h V=(3.14)(2.5)(4.3) V= 33.755 mmHg Boyle’s Law: P air = P sensor + P atm
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P air = 312.4 + 717 mmHg P air = 1029.4 Results and Conclusions : Part A: Temperature (C*) Length of air (cm) Volume(mL) 5 4.3 33.755 25 4.9 38.465 35 5.0 39.250 50 5.1 40.035 65 5.4 42.390 75 5.7 44.745 95 6.1 47.885 Part B: Volume (mL) Sensor pressure (mmHg) Air pressure(mmHg) 4 0.7 717.7 1 596.5 1313.5 2 312.4 1029.4 5 -114.8 602.2 3 132.5 849.5 10 -380.2 336.8 8 -298.1 418.9 12 -423.5 293.5 7 -235.9 481.1 15 -478.1 238.9 13 -441.7 275.3 6 -186.8 530.2 11 -403.9
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The Properties of Gases - The Properties of Gases...

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