Model Exam 3 - Model Exam 3 Section 17 and 06 1. Carbon...

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Model Exam 3 Section 17 and 06 1. Carbon disulfide, CS 2 has a normal boiling point of 46 0 C and a heat of vaporization of 26.8kJ/mol.What is the vapor pressure of CS 2 at 35 0 C? 2. SeF 4 has a vapor pressure of 757mmHg at 105 0 C and 0.75 atm at 365K. What is the heat of vaporization of SeF 4 ? 3. The heat of vaporization of ammonia is 23.4Kj/mol.How much heat is required to vaporize 1.00kg of ammonia? How many grams of water at 273K could be frozen to ice at 0 0 C by the evaporation of this amount of ammonia? (heat of fusion of water = 6.01kJ/mol). What is your assumption for this question? 4. Complete the following table. solid SiO 2 Na I 2 CH 3 OH MgSO 4 Type of solid Structural unit Attractive forces between structural Units solid CH 4 diamond HCl NaCl SiC Type of solid Structural unit Attractive forces between structural Units
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5. List the following substances in order of increasing melting point. (a) AlPO4
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Model Exam 3 - Model Exam 3 Section 17 and 06 1. Carbon...

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