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Community College of Baltimore County (CCBC) at Catonsville, Maryland

This is the Homepage of Dr. Crystal Lin Yau.  For useful chemistry tutorials, scroll further down the screen.  Some are appropriate for general chemistry, some for organic chemistry.  If you have questions concerning this website you may contact me by email:  cyau@ccbcmd.edu

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The courses I am teaching Fall 2008 are shown below.

Click on the course number to reach the course website.

 

Chem 107 (both Sec CCA and CEA)

 

Chem 108 (Sections CM1, CM2, CG1)

 

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OWL INFORMATION:   If you are having trouble seeing the Toolbar screens in the Introduction to OWL, go to www.java.com

to download the latest version of JAVA.  Re-boot and try again.  If that still doesn’t work, try another browser such as Mozilla FireFox.

          Click here to Login to OWL for Chem 107 (only if you are already registered)

 

Click here to register into OWL (Select Intro/Prep, then select the 3rd edition of Cracolice & Peters)

 

If you did not purchase your textbook from the CCBC bookstore that contains the access code to use OWL, you must purchase it online.

Click here to purchase an OWL ACCESS CODE (Click on tab “Intro/Prep”, then on “1 semester”

 

 

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SN1 vs. SN 2 Animation from Colby.edu

 

SN 1 Animation for organic chemistry

 

SN 2 Animation for organic chemistry

 

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Useful Chemistry Tutorials & Worksheets with Answers for Gen Chem & Organic Chem:

Need Acrobat Reader (free) software that allows you to view some of the tutorials? Download from here:  http://www.adobe.com/products/acrobat/readstep2.html

·         Math Review for General Chemistry I (Requires Adobe Acrobat Reader)

·         Test Yourself On Your Scientific Calculator Skills (Requires Adobe Acrobat Reader)

·         Tutorial on the Use of the Scientific Calculator (Requires Adobe Acrobat Reader)

·         Tutorials on Significant Figures

·         Practice Problems on Handling Significant Figures During Calculations

·         Practice Problems on Unit Conversion (Requires Adobe Acrobat Reader)

·         Practice Problems Dealing with Density 

·         Printable Periodic Table (Requires Adobe Acrobat Reader)

·         How to Customize The Computer Keyboard to Fit the Chemist (Requires Adobe Acrobat Reader)

·         Distinguishing Amongst the terms: Atoms, Molecules, Elements, Compounds (Requires Adobe Acrobat Reader)

·         Understanding Conceptual Figures (in PowerPoint Format)

·         Practice Problems on Working with Grams, Moles, Avogadro's number, Stoichiometry (Requires Adobe Acrobat Reader)

·         Answers  to Practice Problems on Working with g, mol, Avogadro's number, Stoichiometry

·         Solubility Rules you should know well

·         Practice Questions Involving Solubility Rules of Ionic Compounds

·         How to Write Ionic Equations

·         Tutorial on Solving Molarity & Dilution Problems

·         Practice Problems on Thermochemistry (Requires Adobe Acrobat Reader)

·         Answers to Practice Problems on Thermochemistry (Requires Adobe Acrobat Reader)

Tutorials on Nomenclature (systematic naming of chemicals):..

·         Nomenclature of Inorganic Compounds:  A Tutorial with Drills

·         Nomenclature: Answers to the Drills

·         Nomenclature of Straight-Chain Alkanes (Requires Adobe Acrobat Reader)

Tutorials on Molecular Bonding:..

·         How to Write Lewis Structures (Requires Adobe Acrobat Reader)

·         How to Determine Formal Charges (Requires Adobe Acrobat Reader)

·         What is meant by the “EXPANDED OCTET”? (Requires Adobe Acrobat Reader)

·         Determination of Molecular Geometry & Hybridization Based on VSEPR (Requires Adobe Acrobat Reader)

·         Tutorial on Resonance Hybrids

Tutorials for Organic Chemistry:..

·        Index of Hydrogen Deficiency (Adobe Acrobat Reader required)

·        Lecture on Oil Refineries (& on BTX) (Adobe Acrobat Reader required)

·        Brief Review of IR Analysis (from Chem 203 - 5th Edition, January 2008 - Appendix 3) -Adobe Acrobat Reader required

·        Major IR Absorptions (from Chem 203 - 5th Edition, January 2008 - Appendix 4-Part I) -Adobe Acrobat Reader required

·        Overall View of IR Absorptions (from Chem 203 - 5th Edition, January 2008 - Appendix 4-Part II) -Adobe Acrobat Reader required

·        Brief Review of 1H- NMR Analysis (from Chem 201- 6th Edition, August 2007 - Experiment #11) -Adobe Acrobat Reader required

·        Major 1H-NMR Shifts (from Chem 203 - 5th Edition – January 2008 - Appendix 5) -Adobe Acrobat Reader required

·        For Organic Chem students: Link to a VERY good website for practice in analyzing NMR spectra

·        For Organic Chem students:  Link to ANOTHER VERY good website for practice in analyzing NMR spectra

·        Extra practice on R and S assignment (UCLA website for use in Chap. 3)

·        Extra practice on pKa, position of organic acid-base equilibria (UCLA website for use in Chap.4)

 

Tutorial on Mathematics Used in Gen Chem II:.

·         Tutorial on Logarithm for Gen Chem II students

·         How to Use Excel

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Click here to see which topics in the ACS GENERAL CHEMISTRY Study Guide pertain to Chem 121 students
(Updated May 12, 2007)

Click here to see which topics in the ACS ORGANIC CHEMISTRY Study Guide pertain to Chem 200 students (updated Nov, 2006)

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Useful Chemistry Links

 

·        For Organic Chem students:  Link to SDBS (Spectra Data Base System)
You are requested not to download more than 50 spectra and/or compound structure files in one day

·        For Organic Chem students: Overview of IR Spectroscopy with table of absorptions

·        For Organic Chem students: Link to textbook website for useful animation, tutorials & quizzes. (Requires Access Code.)

·        Click here to go to the Towson Chemistry Tutor Center Homepage (Lots of helpful tutorials here for both General Chemistry and Organic Chemistry!)

·        Click here to Explore Interesting Facts About Elements

·        Feeling “down” and need to be perked up?  Click here.

·        Click here to see pictures of elements in their natural states.

·        Click here to go to Chem Finder to find the physical properties of compounds.

·        Click here to go to website to download ISIS DRAW,
software for drawing organic molecules. (no fee for academics)

·        Click here to check the weather in Baltimore.

·        Click here  to explore the EPA website

 

 Advisement Areas

·        Pre-Pharmacy (General Info)

·        UM School of Pharmacy Website  (Open house Sep 27th, 2008: click here)

·        PCAT

·        PCAT Study Guide Zone

·        PCAT Study Tips

·        Pharmacy Technician (new certification program at CCBC)
    Do not confuse this with Pharmacy School.

·        Pre-Dental  (Link to U of Maryland, Baltimore, Dental School)
  UMB admission requirement for DDS (Doctor of Dental Surgery Program)
  UMB admission requirement for Dental Hygiene Programs

·        Bridge Program (to Morgan State U for CCBC Students, possibility of paid summer research)

 

 

Prep Chem as Prerequisite to Gen Chem

Molecular Modeling Experiment: High Tech to Very, Very Low Tech