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3-3 - Version 103 — Exam 3 McCord(53740 3 1 CaBI‘Q...

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Unformatted text preview: Version 103 — Exam 3 * McCord * (53740) 3 1. CaBI‘Q. 051111011, C5Hy/Cl. 061114, CgHg 2. CgHg, C5H110H,C.3H1},(65H1101, CaBrg 3. CaBI2. 05111101, 06H14, C5H110H, CaHs 4. Cd—Wflu on, (35141ch, CaBr2 G7 CgHg,051114,C5H11Cl,C5H1101—1,Ca3r2 6. , CsHs. CGH14: 0514111914 C5H1101, Ca3r2 011 10.0 points At 2500 and 0.5 atm, which has the highest vapor pressure in a closed 3 liter container? @ They all have the same vapor pressure. El 012 10.0 points Which would you expect to be least viscous? 2. 2.99 liters of water 3. 2 liters of water 4. 2.5 liters of water 1. 081118 a 50°C g 05‘} a; *5- l 2. CgH 8 at 3000 ké '- N” 3'. C4Hg at 3000 (g). C4118 at 50°C 013 10.0 points ML} If the average speed of a carbon dioxide molecule is 410 m - s71 at 250C) what is the average speed of a molecule of methane at thfi; same temperature? L15! K T. ,_, .9... L. , 1. 679 In - s4 C02 Hm l“ L u” N @1130 rn~s_1 Lid :1” ,W 1} s0 3. 41% s—1 4. 2477‘? s"1 5. 1000 111'3—1 014 10.0 points Which of the following statements regarding intermolecular forces (IMF) is/ are true? I) Intermolecular forces result from attrac— tive forces between regions of positive 1 and negative charge density in neighbor» ing molecules. 11) The stronger the bonds within a molecule ,1 are, the stronger the intermolecular - forces will be. 111) Only non—polar molecules have London forces. rug/w 015 10.0 points Two gases are contained in gas bulbs con— nected by a valve. Gas A is present in a 47 L bulb at a pressure of 254 torr. Gas B exerts a pressure of 752 torr in a 79 L bulb. What is the partial pressure of gas B after they equilibrate once the valve has been opened? “732 X @4710 t \1 L 3. 464.0 7 a 4. 545.0 5. 629.0 7‘3 6. 645.0 m 7. 517.0 \ 3- f 8. 523.0 ...
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