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Unformatted text preview: CHE 301 Fall 2011: HW 2 I realize that some of you are still waiting to receive your books and whatever so Ive decided Id type up the first few HWs. The problems listed below are from the 8th edition of the book and should be identical to the ones in the 9th edition. I havent verified this though. Ill list the problems with the following syntax [P/E](8th no./9th no.)[b/c] e.g. P(21.2/20.2) which is problem 21.2 in the 8th edition and 20.2 in the 9th. We say to do the B listed problems since the students solution manual should contain the A answers. It is good practice to try to work through them then to verify that you are correct since the techniques in A generally apply very well to B. Part 1 E1.2.b. A perfect gas undergoes isothermal compression, which reduces its volume by 1.80 dm 3 . The final pressure and volume of the gas are 1.97 bar and 2.14 dm 3 , respectively. Calculate the original pressure of thegas in (a) bar, (b) Torr. E1.2.c. A perfect gas undergoes isothermal compression, which reduces its volume by 3.08 dm 3 . The final pressure and volume of the gas are 6.42 bar and 5.38 dm 3 , respectively. Calculate the original pressure of the gas in (a) bar, (b) atm. E1.3.b. A sample of hydrogen gas was found to have a pressure of 125 kPa when the temperature was 23 C. What can its pressure be expected to be when the temperature is 11 C....
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