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Chem. 1B – 12/8 Lecture

Chem. 1B – 12/8 Lecture. Announcements I. Mastering Ch . 20 assignment (Organic Chemistry) due 12/10 After that (and the hand grading problem), I will assign class points (probably some bonus to reflect some bad homework problems) Final Exam Thurs., 12/15 12:45 to 2:45

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Chem. 1B – 12/8 Lecture

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  1. Chem. 1B – 12/8 Lecture

  2. Announcements I • Mastering • Ch. 20 assignment (Organic Chemistry) due 12/10 • After that (and the hand grading problem), I will assign class points (probably some bonus to reflect some bad homework problems) • Final Exam • Thurs., 12/15 12:45 to 2:45 • 42 multiple choice questions (2 bonus, but no work out type) • Using SC-982E Scantron form (Blue version used previously)

  3. Announcements II • Final Exam – cont. • About 4 questions each for Ch. 14, 15, 17, and 24 and about 8 questions each for Ch. 16, 18, and 20 • Less calculation intensive than exams 1 and 2 • Sect. 7 in Lab room (Sequoia 426)

  4. Announcements III • Today’s Lecture • Organic Chemistry (Ch. 20) • Questions • Review • Teaching Evaluations

  5. Chapter 20 Organic ChemistryQuestions The carbon skeleton structure for 3-bromo-1-butene is: What isomers, if any, does 3-bromo-1-butene have? a) Cis and trans b) optical c) none Br Br Br

  6. Chapter 20 Organic ChemistryQuestions 3. Which of the following are isomers of n-pentane? 4. Will the above isomer be more or less volatile than n-pentane? An unknown alkene is reacted with Br2 and the product is What was the alkene? Br Br

  7. Chapter 20 Organic ChemistryQuestions 6. Which compound has cis- trans- isomerism? 7. Given the compound below, what functional groups does it have? alcohol b) amine c) alcohol and amine d) ketone and amine e) ketone and alcohol 8. Is that compound polar or non-polar? OH Br Br

  8. Chapter 20 Review Chapter 20 – Carbon Bonding Know number of bonds formed by carbon in organic compounds Know hybridization and geometries (sp3, sp2, and sp for alkanes, alkene Cs, and alkyne Cs) Chapter 20 – Alkanes Know full structure and carbon skeleton representations Know names of alkanes (linear chain up to 10 carbons)

  9. Chapter 20 Review Chapter 20 – Alkanes – cont. Understand how a branched alkane is an isomer (plus how to name mono- and di-substituted alkanes) Be able to identify optical isomers and chiral carbons (not just for alkanes) Chapter 20 – Alkenes Be able to identify alkenes + know carbon skeleton representation Be able to give names of linear and branched alkenes

  10. Chapter 20 Review Chapter 20 – Alkenes – cont. Be able to identify cis- and trans- isomers and alkenes without cis-/trans- isomers Know effect of double bonds on melting points Chapter 20 – Alkynes Be able to identify, name and recognize carbon skeleton structure Chapter 20 – Reactions Be able to predict products and balance stoichiometry for combustion reactions

  11. Chapter 20 Review Chapter 20 – Reactions – cont. Be able to predict products and balance stoichiometry for combustion reactions Know halogenation reactions of alkanes Be able to predict products of hydrogenation and halogenation reactions involving alkenes (both + X2 and + HX types) Know differences between alkene reactions and other reactions

  12. Chapter 20 Review Chapter 20 – Aromatics Be able to identify, name and recognize carbon skeleton structure (up to two substituents plus common substituents mentioned) Chapter 20 – Functional Groups Be able to identify alcohol, ether, ketone, carboxylic acid, and amine functional groups Know which are functional groups are polar

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