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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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I will not be teaching this summer (2009)
but will be teaching Chem 121/122 and Chem 123/124 in Fall 2009.

No information is available for these courses at the moment.

You may contact me by email if you have specific questions concerning chemistry courses at CCBC: cyau@ccbcmd.edu

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Click here to see which topics in the ACS GENERAL CHEMISTRY Study Guide pertain to Chem 121 students
(Updated April 13, 2009)

Click here to see which topics in the ACS ORGANIC CHEMISTRY Study Guide pertain to Chem 200 students
(Updated May 2009)

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Interested in entering Pharmacy School?? Click here for information

on the Open House at the UM School of Pharmacy this coming Monday 6/22/09

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Dr. Carmichael’s Summer 2009 Chem 121 & Chem 122 students: Click here for your course information.

 

Mr. Harris’ Summer 2009 Chem 123 & Chem 124 students: Click here for your course information.

 

Dr. Demehin’s Summer 2009 Chem 107 & 108 students: Click here for your course information.

 

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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 (Chem 121/122/123/124)

·         Nomenclature: Answers to the Drills (Chem 121/122/123/124)

·         Nomenclature of Straight-Chain Alkanes (Requires Adobe Acrobat Reader) (Chem 121/122/1232/124)

 

Tutorials on Nomenclature for Preparatory/Introductory Chem for Web use (Chem 107/108)

Tutorials on Nomenclature for Preparatory/Introductory Chem (for printer friendly, 33 pages) (Chem 107/108)

 

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

 

Tutorial on Mathematics Used in Gen Chem II:.

·         How to Calculate Standard Deviation

·         Tutorial on Logarithm for Gen Chem II students

·         How to Use Excel 2003

 

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)

 

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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 Monday 6/22/09: 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)

 

 

WID/AC Conference PowerPoint Presentation

 

WID/AC Conference Experiment (pdf)