Randa Roland, Ph.D.

office:  Thimann 317     phone:    459-5486                            

email:  roland@chemistry.ucsc.edu

Fall office hours:  Th 12:15—2:15 & by appt.

                                       in Thimann 317 (tentative)

If my door is open, just knock and come in!

CHEM 1A Information—Fall 2007

Please don’t miss class.

READY TO GO—PLEASE know these ideas/points here on a diprotic titration curve (minimum)

Handwritten notes—to help with TITRATION lecture:  pg 1-6 (word file—not exhaustive)

Answers to Ionic Equilibrium #2 posted

pH of a 0.10 M NH₃ solution is about 11.13; after 0.020 mol H⁺_(aq) added to 1.0 L, it’s around 9.86.

click here to see the solution

             Strong acid or strong base calculation example click here (word file—not exhaustive)

             Handwritten notes—to help with 11/21/07 lecture:  pg 1-4 (word file—not exhaustive)

             Handwritten notes—to help with 11/26-30/07 lectures:  pg 1-8 (word file—not exhaustive)

I made a goof on page 6 of the 8-page notes, amphoteric example.  Plus, there is a minor note at the bottom of pg 5.

Please see the revisions and I’m sorry.

Please come to lecture and section to get help and to see what type of problems may appear on exams.  REVISED DUE DATES (no late work accepted):  Ch 6 HW due in section week of 11/26; Ch 7 HW due in section week of 12/3.

                      1A syllabus                                           word              pdf      (subject to updates)

                      CHEM 1A Schedule                               CHEM 1A TA & MSI Section Info.

Sections start the week of 10/1/07—If you miss your section, you might be dropped from the class (please don’t miss!).

TAs:    click here for TA office hours                                                                   Chem 1A-02 sections:

             Eric Evans                     evans@chemistry.ucsc.edu                                B, C, D, & I

             Kenneth Ikei                  ikei@chemistry.ucsc.edu                                   E, J, K, & F

             Eric Schultz                   schultz@chemistry.ucsc.edu                              G, H, L, & M

             Nicole Fry                     nfry@chemistry.ucsc.edu                                  A & N

ACE:    Melissa Peeters            mpeeters@ucsc.edu                                            Chem 1A-03 sections

MSI leader:

             Shideh Chinichian        schinich@ucsc.edu

Animations and worksheets—lots of good stuff, with more coming

Ch.

Announcements

Powerpoint notes (pdf)

1

Intro to chemistry

Math

1.1 pdf              1.1 ppt

2

Atoms, molecules,

and ions

Please bring a periodic table (word / pdf) to lecture.

Common Ions Table (please memorize)           pdf     word

2.1 pdf               2.1 ppt
2.2 pdf               2.2 ppt
2.3 pdf              2.3 ppt

3

Stoichiometry

No

3.1 pdf               3.1 ppt
3.2 pdf               3.2 ppt
3.3 pdf               3.3 ppt
3.4 pdf , 3.4 ppt (more in Ch 4)

You will need a calculator for the exam.

Concept sheet—NOT exhaustive and subject to updates

REVIEW SESSION WITH ME:  SATURDAY, OCT. 13th, Media Theater 110 from 10:00 am—12:00 pm

4

Chemical Reactions

Click on the following links for notes on solution concentration calculations:   4.0 pdf, 4.0 ppts at this time

4.1 pdf               4.1 ppt

4.2 pdf               4.2 ppt
4.3 pdf               4.3 ppt
4.4 pdf              4.4 ppt

5

Gases

5.1 pdf               5.1 ppt
5.2 pdf              5.2 ppt

You will need a calculator for the exam.

Concept sheet—NOT exhaustive and subject to updates

REVIEW SESSION WITH ME:  SATURDAY, NOV. 3rd, Media Theater 110 from 10:00 am—12:00 pm

6

Chemical Equilibrium

Typo on Equilibrium Practice

 Worksheet #2 fixed

6.1 pdf              6.1 ppt

7

Acids & Bases

A-B Equilibrium

%dissociation = amount HA dissociated´100%

                                  initial HA present

             Note denominator on this please!!!

7.1 pdf              7.1 ppt

Strong AB calc’s here

8

Applications of

Aqueous Equilibria

Henderson-Hasselbach typo fixed:

 pH = pK_a  +  log ([A^-]/[HA])

8.1 pdf              8.1 ppt

You will need a calculator for the exam.

Concept sheet—NOT exhaustive and subject to updates

REVIEW SESSION WITH ME:  SATURDAY, DEC. 8th, Media Theater 110 from 10:00 am—12:00 pm

Final Exam Info

Dec. 11 12:00—3:00 pm

You will need a calculator for the exam.