Assignment 9 - Girish Toofany - Chem121/120 2008-3 Surrey...

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Girish Toofany - Chem121/120 2008-3 Surrey Le 1 Assignment 9. Due date: Sat Nov 22 23:59:00 2008 1 point(s) Intermolecular Dipole-Dipole Forces From each pair below, select the molecule that will display stronger intermolecular dipole-dipole forces in a sample of the pure substance. A. SO 3 B. PCl 3 A. HCN B. CS 2 A. XeO 4 B. XeO 3 A. CHF 3 B. CF 4 You are correct. Your receipt is 167-4371 1 point(s) Intermolecular Hydrogen Bonding For which molecule in each of the following pairs would you expect hydrogen bonding , in a sample of the pure substance, to be more signi±cant as a contributing factor to the attractive intermolecular interactions? A. CH 3 OH B. H 2 CO A. C 2 O 4 H 2 B. CH 3 CO 2 H A. H 3 PO 4 B. PH 3 A. HF B. HCl You are correct. Your receipt is 167-1097 1 point(s) Intermolecular Forces and Physical Properties of Pure Substances Which has the highest normal boiling point? A. N 2 B. NaCl C. Hg Which has the greatest heat of vaporization?
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Assignment 9 - Girish Toofany - Chem121/120 2008-3 Surrey...

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