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Quiz23 - away from each other as possible so they form a...

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220/fall2011 PL23/plqz23.xm for user ajcg (Last updated: Thu Sep 29 00:28:20 2011) Gas Properties Quiz/Exam questions can be viewed and submitted only once , and, once viewed, must be submitted within the allowed elapsed time. (A) A helium-filled balloon contains n = 1.1 moles of helium atoms at room temperature and a pressure P = 2 P atm (twice atmospheric pressure). Atoms are added to the balloon so that the pressure doubles to 4 P atm while the temperature and volume are kept fixed. How many moles are in the balloon? 1.1 moles 1. 2.2 moles 2. 0.55 mole 3. 4.4 moles 4. ____________________ [weight: 1] 2 OK (B) True or False : Gas pressure arises because molecules in a gas want to get as far
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Unformatted text preview: away from each other as possible so they form a thin layer of molecules that push on the walls of their container. There are actually no molecules at the middle of the container. ±alse 1. True 2. ____________________ [weight: 1] 1 OK (C) True or False : The properties of tiny molecules that make up a gas have no bearing on the properties of the gas. ±alse 1. True 2. ____________________ [weight: 1] 1 OK Logout ajcg 220/fall2011 Reading_Quiz Problem Listing https://chip.physics.purdue.edu/cgi-bin/220/fall2011/Inst. .. 1 of 1 12/07/2011 03:12 PM...
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