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Unformatted text preview: gonzales (pag757) – H08: Gas Laws – McCord – (53130) 1 This print-out should have 22 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Divers know that the pressure exerted by the water increases about 100 kPa with every 10.2 m of depth. This means that at 10.2 m below the surface, the pressure is 201 kPa; at 20.4 m below the surface, the pressure is 301 kPa; and so forth. If the volume of a balloon is 2 . 8 L at STP and the temperature of the water remains the same, what is the volume 44 . 72 m below the water’s surface? Answer in units of L. 002 10.0 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. 24 mm Hg 2. 2400 mm Hg 3. 0.042 mm Hg 4. 600 mm Hg 003 10.0 points At standard temperature, a gas has a volume of 237 mL. The temperature is then increased to 138 ◦ C, and the pressure is held constant. What is the new volume? Answer in units of mL. 004 10.0 points A sample of gas in a closed container at a temperature of 84 ◦ C and a pressure of 8 atm is heated to 370 ◦ C. What pressure does the gas exert at the higher temperature?gas exert at the higher temperature?...
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This note was uploaded on 10/28/2009 for the course CH 53130 taught by Professor Mccord during the Fall '09 term at University of Texas at Austin.
- Fall '09