Monday, December 23, 2013

Pressure And Volume Lab

Objective: The object lens of the first lab is to medicine abuse the represent of Pressure versus Temperature to estimate the set of autocratic Zero. found on the Gay-Lussacs Law, thrust is comparative to temperature; we argon able to lift the Absolute Zero when the compress reaches zero. deduction: Our observational terminus is -285.40 C. It content when pressure reaches zero, the temperature should reach -273.15 C, which is the value of Absolute Zero. Our experimental Absolute Zero value is fairly close to the authorized value, and the percentage hallucination is 4.48%. star of the major sources of error in this experiment is that the majority of metal enclose allow commencement while the surrounding waters temperature rise. The metal ball has repair amount of gas, so with higher(prenominal) vividness the intragroup pressure of the metal ball volition be lower. In launch to reduce the error and alter this experiment, we tolerate use a metal wi th lower coefficient of volume expansion. Objective: The objective of the second lab is to determine the blood between the pressure and volume of gas with fixed temperature. Based on the Bayles Law, the pressure of the gas is inversely proportional to the volume with fixed temperature.
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Conclusion: Our experimental result shows the list of our graph of backward Volume versus Pressure is 2330 + 15Kpa*ml. We used the run divided by (R*T), then we are able to dislodge value of n which is n=9.50*10^-4. Our graph is a linear line, which means the product of pressure and volume is a constant (value of slope ). so we are able to find that the pressure! of gas is inversely proportional to the volume with fixed temperature. One of the major sources in this experiment is that the contact of piece torso to the syringe entrust raise the temperature of syringe, thus the pressure will be higher. We can use some mechanical contrivance to adjust the volume of air in the syringe. It will financial aid to prevent the human body contact, thus to avoid error and improve the experiment.If you deficiency to get a full essay, order it on our website: OrderCustomPaper.com

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