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Unformatted text preview: Cheung, Anthony Homework 7 Due: Oct 27 2006, midnight Inst: McCord 1 This printout should have 26 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points Divers know that the pressure exerted by the water increases about 100kPa with every 10.2m of depth. This means that at 10.2m below the surface, the pressure is 201kPa; at 20.4m below the surface, the pressure is 301kPa; and so forth. If the volume of a balloon is 3 . 2 L at STP and the temperature of the water remains the same, what is the volume 54 . 82 m below the waters surface? Answer in units of L. 002 (part 1 of 1) 10 points A gas is enclosed in a 10.0 L tank at 1200 mm Hg pressure. Which of the following is a reasonable value for the pressure when the gas is pumped into a 5.00 L vessel? 1. 600 mm Hg 2. 0.042 mm Hg 3. 2400 mm Hg 4. 24 mm Hg 003 (part 1 of 1) 10 points A gas at 62 C occupies 4 . 89 L. At what tem perature will the volume be 3 . 6 L, assuming the same pressure? Answer in units of C. 004 (part 1 of 1) 10 points At standard temperature, a gas has a volume of 316 mL. The temperature is then increased to 135 C, and the pressure is held constant. What is the new volume? Answer in units of mL. 005 (part 1 of 1) 10 points A sample of gas in a closed container at a temperature of 76 C and a pressure of 7 atm is heated to 383 C. What pressure does the gas exert at the higher temperature? Answer in units of atm. 006 (part 1 of 1) 10 points A gas at 658 10 4 Pa and 13 C occupies a vol ume of 754 cm 3 . At what temperature would the gas occupy 957 cm 3 at 9 . 03 10 4 Pa?...
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This note was uploaded on 11/11/2010 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas at Austin.
 Fall '07
 Fakhreddine/Lyon
 Chemistry

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