Based on your data what relationship exists between

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Chemistry: The Molecular Science
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Chapter 8 / Exercise 8.7
Chemistry: The Molecular Science
Moore/Stanitski
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7. Based on your data, what relationship exists between the pressure and the volume of a gas (assuminga constant temperature)?
8. Look up a statement of Boyle's Law in your textbook. Do your results further prove this?
9. Complete the tables from the data saved in your lab book. Use only a sampling of the data forpressures at 1,3,6, and 9 atm.
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Chemistry: The Molecular Science
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Chapter 8 / Exercise 8.7
Chemistry: The Molecular Science
Moore/Stanitski
Expert Verified
5-2: Charles’ Law: Temperature and VolumeCharles’ Law was discovered by Joseph Louis Gay-Lussac in 1802; it was based on unpublished workdone by Jacques Charles in about 1787. Charles had found that a number of gases expand to the sameextent over the same 80 degree temperature interval. You will be observing the relationship between thetemperature and volume of a gas similar to that studied by Charles.1. Start Virtual ChemLab and select Charles’s Law: Temperature and Volume from the list ofassignments. The lab will open in the Gases laboratory. 2. Note that the balloon in the chamber is filled with 0.050 moles of an ideal gas (MW = 4 g/mol) at atemperature of 100°C, a pressure of 1.00 atm, and a volume of 1.531 L. To the left of theTemperature LCD controller is a lever that will decrease and increase the temperature as it is movedup or down; the digit changes depending on how far the lever is moved. Digits may also be clickeddirectly to type in the desired number, or they can be rounded by clicking on the R button. You maywant to practice adjusting the lever so that you can decrease and increase the temperature accurately.Make sure the moles, temperature, and pressure are returned to their original values beforeproceeding.3. Click on the Lab Book to open it. Back in the laboratory, click on the Save button to start recording P,V, T, and n data to the lab book. Increase the temperature from 100°C to 1000°C 100 degrees at atime. Click Stop to stop recording data, and a blue data link will appear in the lab book. To help keeptrack of your data links, enter ‘Ideal Gas 1’ next to the link.4. Zoom Out by clicking on the green arrow next to the Save button. Click on the Stockroom and then onthe Clipboard and select Balloon Experiment N2. Again, set the temperature, pressure, and moles to100°C, 1.00 atm, and 0.050 moles, respectively. You may have to click on the Units button to changesome of the variables to the correct units. Repeat the experiment with this gas labeling the data link‘Real Gas N2.’5. Select the lab book and click on the data link for Ideal Gas 1. In the Data Viewer window, select allthe data by clicking on the Select All button and copy the data using CTRL-C for Windows or CMDCfor Macintosh. Paste the data into a spreadsheet program and create a graph with temperature onthe x-axis and volume on the y-axis. Also create a graph for the data labeled Real Gas N2.

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