1. Day 2 Molecular Geometry and Bonding Theories
Lecture Presentation
Unit 8
Day 2 Molecular Geometry and Bonding Theories
Edited by M. Day
James F. Kirby
Quinnipiac University
Hamden, CT

2. Warm Up 1. Draw all resonance structures of formaldehyde (CH2O)
2. What is the general equation of the enthalpy of a reaction?
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3. Use the bond energies to determine the enthalpy of the complete combustion of propane.
Bond
Bond Enthalpy (kJ/mol)
C - C
397
H - O
463
O = O
498
C - H
413
C = O
799
1072

3. AGENDA
Open Note and Open Book Quiz

4. Unit 8 Policy: Grading
THIS IS YOUR LAST: Open Note Quiz
NEXT QUIZ: Will be timed according to AP Exam standards (15 minutes of MC, 15 min for FR)
QUIZ: Will be graded on a curve
Highest Grade = A
All others on continuum from highest grade

5. Unit 8: Multiple Choice and Free Response
SPREAD OUT: One person per table WRITE: Name and Date on Answer Sheet (make sure to write capital letter) USE: Notes, Book, Scratch Paper, Reference Sheet, Calculator TIME: UNTIL 11:19 WHEN DONE WITH BOTH PARTS: Turn into class box and work on Friday notes ( ), formal lab report, or any other missing work