Unit3Day8-VandenBout Monday, November 04, 2013 5:39 PM Vanden - PDF document

Unit3Day8-VandenBout Monday, November 04, 2013 5:39 PM Vanden Bout/LaBrake/Crawford CH301 WHY IS EVERYTHING SO DIFFERENT? Gas, Liquid or Solid? UNIT 3 Day 8 CH301 Vanden Bout/LaBrake Fall 2013 Important Information EXAM TOMORROW 7PM – 9PM See Website for Room Assignments CH301 Vanden Bout/LaBrake Spring 2013 Unit3Day8-VandenBout Page 1

What are we going to learn today? Recognize the “Big Idea” that the scientist develops the skill to observe a macroscopic view of matter, while thinking about that same view with a comprehensive molecular scale picture. CH301 Vanden Bout/LaBrake Fall 2013 QUIZ: iCLICKER QUESTION 1 Which of the following is most likely to exist as a molecular solid at room temperature? a) SiO 2 mp = 1900 K b) CaCl 2 mp = 1045 K c) (CH 3 ) 3 N mp = 156 K d) C 14 H 18 N 2 O 5 mp = 480 K CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 2

ACTIVITY Please open your course pack to pg. 83 IMF Unit- RAQ Work with your neighbor to complete the Activity. CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 2 What is the bond order of CO? A. 0 B. 0.5 C. 1.5 D. 2 E. 3 CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 3 CO is A. Paramagnetic B. Diamagnetic Unit3Day8-VandenBout Page 3

CO is A. Paramagnetic B. Diamagnetic CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 4 The hybridization around N is A. sp B. sp 2 C. sp 3 D. sp 3 d CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 4

Poll: iCLICKER QUESTION 5 The electronic geometry around C is A. linear B. bent C. trigonal planar D. tetrahedral E. octahedral CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 6 The molecular geometry around C is A. linear B. bent C. trigonal planar D. tetrahedral E. octahedral CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 7 How many pi bonds are around C? A. 1 B. 2 C. 3 Unit3Day8-VandenBout Page 5 D. 4

How many pi bonds are around C? A. 1 B. 2 C. 3 D. 4 CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 8 I 2 is a _____ solid and KI is a ________ solid. A. Ionic, covalent B. Covalent, network C. Molecular, covalent D. Metallic, ionic E. Molecular, ionic CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 9 Propanol has a _____ boiling point than Glycerol A. Higher B. Lower C. The same D. Propanol never boils Unit3Day8-VandenBout Page 6

Glycerol A. Higher B. Lower C. The same D. Propanol never boils CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 10 Propanol has a _____ vapor pressure than Glycerol A. Higher B. Lower C. The same CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 7

Poll: iCLICKER QUESTION 9 Propanol has _____ intermolecular forces than Glycerol A. stronger B. weaker C. The same CH301 Vanden Bout/LaBrake Fall 2013 Poll: iCLICKER QUESTION 10 Which of the following exists as a liquid at room temperature? A. Fluoroform B. Chloroform C. Bromoform D. Iodoform CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 8

WHAT HAVE WE LEARNED TODAY? BONDING DEPENDS ON MINIMIZATION OF ENERGY EMPERICAL MODELS AND MATHMATICAL THEORIES PROPERTIES OF LIQUIDS & SOLIDS DEPEND ON IMFs MACROSCOPIC PROPERTIES CAN BE EXPLAINED BY MOLECULAR MODELS CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 9

Learning Outcomes UNIT 3 LEARNING OUTCOMES ARE LISTED ON THE WEBSITE CH301 Vanden Bout/LaBrake Fall 2013 Unit3Day8-VandenBout Page 10