Please check this page often. It wil contain notes and announcements from lectures and lab, and copies of assignments, quizzes, exams, and presentations.

Welcome to Chemistry 152 and 152L at Miramar College! Today's class is about measurements, precision, and unit conversions. It's a common place to start because, without precise measurements of mass and volume, we wouldn't know much at all about chemistry.

• Syllabus - PDF copy of original "Day 1" syllabus.
• Lecture goals handout from today's class.
• In-Class Activity (ICA-01): Math Review / Answer Key
• Homework (HW-01): Syllabus Exercise / Answer Key
• Practice problems from textbook, Chapter 2, starting on page 43: #38, #44, #48, #56, #60, #74, and #114. Be prepared to ask questions about these problems (or take a quiz that includes similar problems) when you arrive on Wednesday. / Answer Key
• Here are some things to keep you busy while you're waiting for the rest of this website to appear. Start now.
• Scientific notation (with answers)
• Unit conversions (with answers)
• More unit conversions (with answers)
• Rules for Significant Figures
• Sig-Fig Fable
• Useless units
• Common conversion factors
• Units you should memorize

Homework (HW-01) due at 4:55 pm in Room S5-203.

• Quiz 1 on Measurements - Answer Key
• In-Class Activity (ICA-02) on conversions- Answer Key
• Homework (HW-02) on conversions - Answer Key

Homework (HW-02) is due at 4:55 pm.

• Keynote Presentation on Measurements and Conversions - Slideshow / Handout (for printing)
• In-Class Activity (ICA-03) is now a homework assignment due on Wednesday.- Answer Key

Homework (ICA-03) is due at 4:55 pm

• Keynote Presentation on Matter - Slideshow / Handout
• Keynote Presentation on Energy - Slideshow / Handout
• Practice Problems from Chapter 3 (Not homework): #34, #38, #40, #42, #58, #62, #66, #68, #74, #76, #82, #98. Use these to guide your reading and studies in Chapter 3.

MORNING SESSIONS with Richard

• Wednesdays from 9:30-11 am in Room S5-203. Starting on Wednesday, 9/8.

EVENING SESSIONS with Berhane

• Starting on Wednesday, 9/8 at 6:30 pm in Room S5-203, followed by Monday, 9/13 at 6:30 pm in Room S5-202, and mostly alternating back and forth, except for a few weeks when tutor has schedule conflicts. We're still confirming the rooms, but it look like Mondays will be in S5-202 and Wednesdays in Room S5-203.

No homework due today.

Plan to continue talking about matter and energy (including a bit from Chapter 12, Sections 4 and 5 - heat of fusion, heat of vaporization, etc). You'll learn things better if you've taken a look at Chapters 3 and 4 before today's class.

• Expanded Keynote on Energy - Slideshow / Handout
• In-Class Activity (ICA-04) on Energy - Answer Key

Monday 9/13/2010

Today's quiz was a review of a few things that we've covered so far. I wanted to give you an actual quiz so you'd see what it would be like during the exams (and so you'd bring a calculator!).

• Keynote presentation on Atoms - Slideshow / Handout
• Quiz 2 on Chapters 1-3 - Answer Key

More about Atoms - Finished yesterday's presentation, also wrote a lot on the board.

• In-Class Activity (ICA-05) on Atoms - Answer Key

Review for Exam 1.

• Important Stuff for Exam 1. Check out my list.
• Other good ways to study:
  • Make a list of conversion factors, equations, concepts. Put it on a single piece of paper.
  • Redo the quizzes, activities, homework, and suggested practice problems.
  • Copy your notes as you read the textbook. Insert clarifying information, as needed.
  • Do the examples within the chapter as you read the book.
  • Work with a friend. Quiz each other.
  • Go to the Peer Workshop. Ask lots of questions.
  • Go to the PLACe.
  • Figure out what topic is most confusing and send me an email about it.
  • Don't let yourself be surprised by anything on the exam.

Additional Practice Problems (NOT homework), in case you run out of other ways to study:

• Chapter 2: 29, 31, 33, 41, 43, 47, 49, 57, 63, 65, 69, 73, 81, 87, 91, 99, 109.
• Chapter 3: 29, 31, 33, 35, 37, 39, 41, 49, 57, 61, 63, 71, 73, 75, 77, 81, 97.
• Chapter 4: 43, 45, 47, 49, 53, 55, 57, 59, 61, 63, 65, 67, 69, 73, 75, 77, 87, 89, 91, 93, 97, 99.
• Chapter 12: 51, 53, 55, 57, 59, 61, 93.

Exam 1 is today.

• Exam 1 - Blank / Answers

Electrons (Chapter 9)

• Keynote Presentation on Electrons - Slideshow / Handout

Electrons and Periodic Trends (Ch 9)

• Continuing with Keynote from Monday.
• In-Class Activity (ICA-06) on Electrons - Blank / Answers
• Homework (HW-03) on Electrons - Blanks / Answers
  Due Monday, 10/4/2010, at 4:55 pm
• Suggested practice problems from Chapter 9:
  • 27, 33, 43, 47, 53, 55, 59, 67, 71, 75, 77, 79, 83, 95, 105
    This is not a homework assignment.

Chemical compounds, names, formulas (Chapter 5).

• In-Class Activity (ICA-07) on Binary Ionic Compounds -
  1. Write formula:
     1. Technetium(III) oxide - Tc₂O₃
     2. Rubidium arsenide - Rb₃As
     3. Tin(IV) bromide - SnBr₄
     4. Dinitrogen tetraoxide - N₂O₄
  2. Write names:
     1. SiF₄ - silicon tetrafluoride
     2. S₂Cl₆ - disulfur hexachloride
     3. Na₃P - sodium phosphide
     4. NiCl₂ - nickel(II) chloride

More chemical compounds, including polyatomic ions (Chapter 5)

• In-Class Activity (ICA-08) on Chemical Names -
  1. Write names:
     1. (NH₄)₂CrO₄ - ammonium chromate
     2. Cu₂HPO₄ - copper(I) biphosphate
     3. HClO - hypochlorous acid
  2. Write formulas:
     1. Scandium(III) hypophosphite - ScPO₂
     2. Germanium tetraiodide - GeI₄
     3. Titanium(IV) bromite - Ti(BrO₂)₄
• Additional Practice
  • Table of common ions
  • Table of Ates with other trends
  • Practice problems with answers

Chemical reaction types; balancing equations

• Quiz 2 on Chemical Names - Blank / Answers
  This one should have been numbered "Quiz 3"

Review Day

• Practice problems that you can do before Exam 2: First, do the examples within each chapter, then try these at the end of each chapter. Do them all (or as many as possible) before you check any of the answers.
  • Chapter 5: 29, 31, 33, 35, 41, 43, 49, 51, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 87, 89, 91, 93, 101
  • Chapter 7: 29, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 75, 89, 93
  • Chapter 9: 61, 63, 67, 69, 71, 77, 79, 81, 83, 85, 87, 89, 93, 95, 99, 101, 105

Exam 2 covers Chapters 5, 7, and 9.

• Exam 2 - Blank / Answers

Chapter 10 - Bonding

• Some practice problems for Chapter 10:
  • Chapter 10: 11, 17, 19, 21, 23, 25, 45, 49, 51, 53, 55, 57, 59, 63, 65, 67, 69, 71, 73, 75, 77, 81, 85, 87, 89, 91, 93, 99, 101, 109, 111, 112.)

Chapter 10 - Bonding

• Keynote Presentation on Bonding and Intermolecular Forces - Slides / Handout
• In-Class Activity (ICA-09) on Bonding - Blank / Answers
• Bring your calculator on Wednesday.

Chapter 6 - Moles

• In-Class Activity (ICA-10) on Moles - Answer Key

Chapter 6 - Empirical Formulas

• In-Class Activity (ICA-11) on Moles & Empirical Formulas - Answer Key
• Some practice problems for Chapter 6: 17, 25, 27, 33, 35, 39, 49, 53, 57, 69, 73, 75, 81, 83, 85, 87, 89, 91, 93, 95, 97, 101, 107, 111, 115, 117, 127, and any similar problems.

Chapter 8 - Stoichiometry, Limiting Reactants, and Percent Yield

• In-Class Activity (ICA-12) on Stoichiometry - Answer Key
• Some practice problems for Chapter 8: 23, 29, 31, 35, 41, 43, 49, 51, 59, 61, 63, 81, 85, 91, 99, and any similar problems.
  

Review for Exam

• See above for practice problems from Chapters 6, 8, and 10. Other things to review include your in-class notes, problem sets, and labs.

Exam 3 covers Chapters 6, 8, and 10.

• As you know, my exam was not copied correctly at the Miramar Repro Center, so we could not do the exam today. Many students stayed for a second review session. The exam is postponed to Monday.

Monday 11/15/2010

Exam 3 is today.

• Exam 3 (Answer Key)

Gases

• Keynote presentation on Gases - Slides / Handout
• In-Class Activity (ICA-13) - Aluminum oxygen reaction problem in the Keynote - Answer Key

Thanksgiving Break

Gases / Solutions

• Keynote Presentation on Solutions - Slides / Handout
• In-Class Activity (ICA-14) - Last slide on the Keynote - Answer Key

Solutions / Acids and Bases

• Keynote Presentation Solutions, Acids & Bases - Slides / Handout
• In-Class Activity (ICA-15) on Solutions - Answer Key
• Homework due Monday: Chapter 13: #34, 58, 66, 78, 84, 94, 98. - Answer Key

Acid, Bases, and pH

• Homework assignment ("ICA-16") - This was originally an in-class activity, but now it's a homework assignment, due Wednesday, 12/8, no later than 4:55 pm. - Answer Key

Review for final

• Final exam review sheet