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Randa Roland, Ph.D.

office:  Thimann 317     phone:    459-5486                            

email:  roland@chemistry.ucsc.edu


Tentative summer office hours: 

After lecture Monday and Wednesday

 and by appointment

 

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

.

 

CHEM 1A Information—Summer 2009

►►Review session Thursday, July 23rd, 10 am—12 pm (or until done) in Engineering 101◄◄

July 3rd is a holiday

1A syllabus (subject to updates)                    1A Schedule

 

Online Homework Websites:

           1) WebAssign—you will be given an access code to register (free for summer!)

                      The website is:        http://www.webassign.net/hmco

                      Follow the instructions to register.  The Class Key for Chem 1A is:

                                 Section 01:                          ucsc 7996 0496

           2) Sapling Online Learning– you will need to register (free for summer!)

                      The website is:        http://www.saplinglearning.com/

                      Follow the instructions to register.  The course is UCSC Roland Chem 1A.

                      The enrollment key is:                 whq4985d

Your best attempts at homework and your constructive feedback on each will count for 10% of your grade.

 

Attendance will be taken in lecture, so please plan on coming.

 

                                                

TA:                     Yakira Landaverry       landa@chemistry.ucsc.edu     

                          Monday            12:30 to 2:30 pm Office #462 in PSB

                          Wednesday       12:30 to 1:30 pm in PSB 341or PSB 462

                          Friday                12:30 to 1:30 pm in PSB 341 or PSB 462

 

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

This site is designed to help you, so I hope you’ll check it out.

Ch.

Announcements

Powerpoint notes (pdf)

1

Intro to chemistry

Math

Please review math/algebra/units/conversions as needed

—see Appendices 1 & 2 at the back of your textbook

 

 

1.1 pdf              1.1 ppt

2

Atoms, molecules,

and ions

Lecture 1pdf (b&w) or 1mhtml (color)

Lecture 2pdf (b&w) or 2mhtml (color)

 

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

Very nice online table (website / pdf)

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

Practice problems

3

Stoichiometry

Lecture 3pdf (b&w) or 3mhtml (color)

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)

Practice problems

 

4

Chemical Reactions

Lecture 4pdf (b&w) or 4mhtml (color)

Lecture 5pdf (b&w) or 5mhtml (color)

Solution calculations: 4.0 pdf, 4.0 ppt

4.1 pdf               4.1 ppt

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

Practice problems

5

Gases

Lecture 5pdf (b&w) or 5mhtml (color)

Lecture 6pdf (b&w) or 6mhtml (color)

5.1 pdf               5.1 ppt
5.2 pdf              5.2 ppt

Practice problems

You will need a calculator for the exam.  The following are not exhaustive (are meant as guides only)

Concept sheet—Appendices 1 & 2, Chapters 2-3

Concept sheet—Chapters 4-5

6

Chemical Equilibrium

Lecture 7pdf (b&w) or 7mhtml (color)

 

CHAPTER 6 extra examples (1), (2)

6.1 pdf              6.1 ppt

Practice problems

7

Acids & Bases

A-B Equilibrium

Lecture 8pdf (b&w) or 8mhtml (color)

Lecture 9pdf (b&w) or 9mhtml (color)

Lecture 10pdf (b&w) or 10mhtml (color)

 

Extra Ch 7 examples (please do check my math)

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

 

7.1 pdf              7.1 ppt

Practice problems

 

8

Applications of

Aqueous Equilibria

Lecture 10pdf (b&w) or 10mhtml (color)

Lecture 11pdf (b&w) or 11mhtml (color)

Lecture 12pdf (b&w) or 12mhtml (color)

 

Know these points on a diprotic acid titration curve

 

Weak Acid-Strong Base Titration example

                          Please check my math...

 

Here are a couple neat excel files…

Distribution diagram               Buffer                   Titration

8.1 pdf              8.1 ppt

Practice problems

 

You will need a calculator for the exam.  It will focus on chapters 6-8 (but you can’t forget app. 1&2 and ch 1-5)

►►Review session Thursday, July 23rd, 10 am—12 pm (or until done) in Engineering 101◄◄

Exam 2 review notes pdf (b&w) or mhtml (color)

 

Concept sheet—NOT exhaustive and subject to updates

 

EXAMPLE PROBLEMS TO TRY

(1) 3.64x10-9 

(2) Qp = 0.111 shift left 

(3) K = 667 

(4) K = 1/[H2O]2 

(5) F, F, T, F, T 

(6) 0.0016 M 

(7) 0.000606

(8) HSO3-  +  H2O  <—>  H2SO3  +  OH- 

(9) NO2-  +  H2O  <—>  HNO2  +  OH-

(10) pH = 2.35, %diss = 0.5% 

(11) 1.0125 mol, 0.45 M 

(12) pH = 9.54 

(13) pH = 5.13 

(14) 0.630 : 1

(15) I — H2As, HAs-  II — HAs-,  III — HAs-,  As2-  IV — As2-  ; I — 4.10  II — 7.95  III — 11.79    IV — 12.88

(16) KCl neutral            NaNO2  basic   NH4Cl acidic          LiNO3  neutral    Na3PO4   basic

(17) Ksp = [M2+]3[XO43-]2 

(18) a. 4.55x10-12  , b. 1.74x10-28 

(19) K = 1.2x105

 

 

Final Exam Info

Friday, 7/24, from 9am-11:30am

You will need a calculator for the exam.