3. Tuesday, May 13 th : “A” Day Wednesday, May 14 th : “B” Day Agenda  Collect titration lab  Ch. 15 short answer test questions  Chapter 15 Review  Homework: Ch. 15 Vocabulary crossword puzzle Next time: Crossword puzzle due Concept Review Due Chapter 15 Test

4. Ch. 15 Short Answer Test Questions 1.Explain what “amphoteric” means and give an example of an amphoteric substance. 2. Explain what the following equation represents and why it’s important in acid-base chemistry. H 2 O (l)+ H 2 O (l) H 3 O + (aq) + OH - (aq) 3.Describe a method to visually detect the end point of a titration without the use of a pH meter.

5. Ch. 15 Short Answer Test Questions 4. Use the following vocabulary terms to label each substance in the reaction below: acid, base, conjugate acid, conjugate base HCOOH (aq) + CH 3 COO - (aq) HCOO - (aq) + CH 3 COOH (aq) 5.In the “Titration of an Acid and a Base” lab, a)Which acid did you use? b)Which base did you use? c)Which indicator did you use?

6. You have the rest of the time to work on the following:  Chapter 15 review, pg. 566-568: 1-2, 4-9, 12, 21, 25, 33, 40-41, 44, 46-47, 49, 59, 62-63, 76-78  Chapter 15 Concept Review  Homework: Ch. 15 Vocabulary Crossword Puzzle Next Time: Ch. 15 Test Concept review due Crossword puzzle due