Practice Problems 2

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12.) Which of the following atoms should have the greatest polarizability A. F B. Br C. Po D. Pb E. He ____D________ 13.) In which of the following compounds will the molecules not form hydrogen bonds with each other 14.) Which of the following pairs is arranged with the particle of higher polarizability listed first _____c______ A. Se 2- , S 2- B. I, I - C. Mg 2+ , Mg D. Br, I E. None of these choices is correct ____A_______ 15.) Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first. A. C 7 H 16 , C 5 H 12 B. CCl 4 , CBr 4 C. H 2 O, H 2 S D. CH 3 CH 2 OH, CH 3 -O-CH 3 E. Xe, Kr _____B_______
16.) Which of the following should have the highest surface tension at a given temperature A. CH 4 B. CF 4 C. CCl 4 D. CBr 4 E. CI 4 _____E________ 17.) Which of the following should have the highest surface tension at a given temperature 18.) When the adhesive forces between a liquid and the walls of a capillary tube are greater than the cohesive forces within the liquid _____d_____ A. the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a convex meniscus. B. the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus. C. the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a convex meniscus. D. the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a concave meniscus. E. None of these will occur. _____B_________ 19.) Which of the following factors contributes to a low viscosity for a liquid A. low temperature B. spherical molecular shape C. hydrogen bonding D. high molecular weight E. high boiling point ____B_______
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Page 7: 24.) For the solid forms of the fol

Practice Problems 2

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