HW10_Revised - 2 OH 5 Given that silver has a face-centered...

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Chemistry 207 Assignment 10 Not Due: Practice Assignment Answers Posted on Blackboard Practice Problems. Chapter 12: 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71 1. For which of the following molecules will dipole-dipole interactions be important? (a) O 2 , (b) O 3 , (c) CO 2 , (d) SO 2 2. Which of the following molecules are likely to form hydrogen bonds? (a) H 2 S, (b) CH 4 , (c) H 2 SO 3 , (d) PH 3 , (e) CH 3 OCH 3 , (f) CH 3 COOH, (g) CH 3 CH 2 OH, (d) CH 3 CHO 3. Which if the following pairs of molecules are likely to have the higher boiling point and why? (a) H 2 S or H 2 O, (b) NH 3 or PH 3 , (c) KBr or CH 3 Br, (d) CH 4 of SiH 4 . 4. Rank the following liquids in order of increasing viscosity and explain your reasoning. (a) C 6 H 6 , (b) CH 3 CH 2 OH, (c) CH 2 OHCHOHCH 2 OH, (d) CH 2 OHCH
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Unformatted text preview: 2 OH. 5. Given that silver has a face-centered cubic structure (fcc) and its density is 10.500 g/cm 3 , what is the radius of a silver atom? 6. Calculate the number of cations and anions in the fluorite unit cell shown below. What is the empirical formula of fluorite? How many formula units are there per unit cell? How would you describe the coordination of each fluoride atom? 7. A diffraction spot is recorded 50 mm vertically displaced from the center of the direct X-ray beam of λ = 1.08 Å (1 Å = 1 X 10-10 m), 200 mm from a crystal. Using Bragg’s law calculate the atomic spacing responsible for producing the diffraction. Ca (at corners of small cubes) F (at centers of small cubes)...
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This note was uploaded on 03/31/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell.

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HW10_Revised - 2 OH 5 Given that silver has a face-centered...

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