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3-4 - Version 103 1 Exam 3 ~ McCord 1(53740 4 9 501.0 10...

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Unformatted text preview: Version 103 1 Exam 3 ~ McCord 1 (53740) 4 9. 501.0 10. 510.0 . Answer in units of torr. 016 10.0 points Which of the following can form intermolecu— lar'hydrogen bonds? ./' rpm, Q. (CH3)2NH :1 4. CWHg 017 10.0 points The theory used to explain the behavior of solids, liquids and gases is 1. the VSEPR theory. @the kinetic—molecular theory. 3. the atomic theory. 4. the molecular theory. 018 10.0 points For a sample of gas held at constant temper- ature, a plot of volume versus pressure is a straight line. r f... @ True W T v“ 019 10.0 points Dissolving 3.00 g of an impure sample of cal— cium carbonate in hydrochloric acid produces 0.656 L of carbon dioxide, measured at 293 Kelvin and 1.04 atm. What is the percent by mass of the calcium carbonate in the sam- ple? (Hydrochloric acid reacts with calcium carbonate to produce calcium chloride, water, and carbon dioxide). 1. 88.2 percent 2. 94.7 percent @763 percent 4. 64. 5 percent @546 percent 020 10.0 points What are the main intermolecular forces found in a liquid sample of CBr4? l {\Ofirfll K‘ ’- C '— \ 1. covaflent _ 62‘ dispersion / London 3. dipole—dipole 4. 1% 5. hydrogéianding 021 10.0 points 'A certain quantity of a gas occupies 61.3 mL at 680C. If the pressure remains constant7 What would the volume ofthe gas be at 17°C? 1. 92 mL fl '1 if @52mL :23}; i", W 3 721111; 1L! 1 022 10.0 points If the average speed of a water molecule at 25°C is 640 m - s—l, What is the average speed at 10000? K Q “lo 1. 572 m/s 7 "I W 2. 5120 m/s (:(lfj 1°13 @ 716 m/s ' )5 f??? 4. 320 m/s 5. 801 m/s 023 10.0 points We have unknown amounts of 2 gases kept in ...
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