Exam 3 - Chem 121-02 Exam 3 November 9 2005 Name Page 1(22...

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Chem 121-02 Exam 3 Name: November 9, 2005 Page 1 (22 points) Page 2 (11 points) Page 3 (18 points) Page 4 (19 points) Page 5 (20 points) Page 6 (10 points) Total (100 points)
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1. In the blanks provided (solid lines) give the hybridization for the atom indicated. Also indicate the type of bonding (sigma or pi) associated with the bonds (dashed lines). (10 pts) 2. a. What does VSEPR stand for? Describe the basic premise of this theory. (4 pts) b. Draw the Lewis structure for the molecule XeF 4 and give the geometry and bond angle(s) for the molecule based on VSEPR rules. (6 pts) c. Is this molecule is polar or nonpolar? (1 pts) d. What is the hybridization of the central atom in this molecule? (1 pts) Geometry: Bond angle(s):
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Phase Diagram a) Give the name of the phase or the name for the point on the phase diagram (4 pts) A F I H b) Using the phase diagram give the proper name (terminology) for the phase transitions: (3 pts) i) B to H ii) H to D iii) D to A c) Assume the phase diagram is for CO 2 (not to scale). At 4.0 atm of pressure can CO
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This note was uploaded on 04/07/2008 for the course CHEM 121 taught by Professor Layson during the Fall '05 term at Denison.

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Exam 3 - Chem 121-02 Exam 3 November 9 2005 Name Page 1(22...

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