CHEM 2130

PDF Documents: 

CHEM 2130 Summer Semester 2020

Chem 2130 Syllabus

Chem 2130 Lab Sections 

TA Office Hours

 

ATTENTION: Safety Eyewear Policy

Change in all Undergrad Labs

Week   Experiment Recitation

1

08 - 11 June

Sample Prelab for Experiment 1

Read the Theory section and understand how and why

Read the ID of unknowns paper

Read the “How To guide” and the sub-technique papers

Write the prelab from the techniques and the ID of unknowns papers 

Recrystallization notes (Theory of Recrystallization)

How To Flute Filter Paper (Basic sub-technique)

Simple procedures that you will want to refer to for the duration of the semester!!! (How-to guide with pictures!) 

How to fill melting point capillaries (Basic sub-technique)

Recrystallization and ID of unknowns (Specific information for this weeks’ experiment, EXP 1)

http://www.youtube.com/chem2050#p/u/16/5q2GksBIEbY

Expt 1

Recrystallization

Sample Postlab for Experiment 1

 

NOTE: Your Postlab is not complete. You need to complete post lab! 

Write your own version of post lab. Do not copy verbatim the sample post-lab

2

15-16 June

Extractions of Acids, Bases, and Neutrals; (Specific information for this weeks’ experiment, EXP 2) 

Sample Prelab for Experiment 2 (to be used only as a guide!) 

Useful chemistry links

MSDS LINK FOR HAZARDS

JT BAKER MSDS engine

http://www.youtube.com/chem2050#p/u/19/3CYXwSFkL9c

http://www.youtube.com/chem2050#p/u/18/9pDoaCbs5fQ

http://www.youtube.com/chem2050#p/u/17/0OufcF3HXEI

http://www.youtube.com/chem2050#p/u/20/otye_rFaRlc

http://www.youtube.com/chem2050#p/u/22/ag1wXNZkm1w

Expt 2 
Extraction lab

Sample Postlab for Experiment 2

NOTE: Your Postlab is not complete. You need to complete post lab! 

Write your own version of post lab. Do not copy verbatim the sample post-lab

 

2

17 - 18 

June

Chromatography (Specific information for this weeks’ experiment, EXP 3) 

A cool chromatography applet

Another list of solvents and their data

http://www.youtube.com/chem2050#p/u/14/FoW6p7natTw

http://www.youtube.com/chem2050#p/u/13/8IhnHukX

 

Expt 3 
Chromatography

 

3

22 - 23 June

 

Distillation (simple and fractional) (Specific information for this weeks’ experiment, EXP 4)

½ of students will do the simple distillation: 

½ of students will do the fractional distillation:

All students will do their lab report using both their own and the other teams data

distillation graphics

Ground glass joints and vacuum grease

Theory and "how to" PowerPoint

http://www.youtube.com/chem2050#p/u/21/cm5LLaEIcOg

https://www.youtube.com/watch?v=TKcv-KXXn30

Expt 4 
Distillation

 

 

3

24 - 25 June

Diels-Alder Reaction (Specific information for this weeks’ experiment, EXP 5)

SDBS DATABASE

Mechanism assistance

http://www.youtube.com/chem2050#p/u/10/HdvrTQpzfjc

How to calculate percent yield:

yield_calculations.pdf

No IR Spectral analysis for this experiment (for points)! Do the analysis FOR PRACTICE!

Review on IR: IR Review (a must read!)

ir_chart.pdf

 

Expt 5 
Diels Alder

4

29 - 2 Jun/Jul

 

Nitration of methyl benzoate (Specific information for this weeks’ experiment, EXP 6)

Mechanism pointers

Mechanism assistance

http://www.youtube.com/chem2050#p/u/9/vnldyFmjvrM

http://www.youtube.com/chem2050#p/u/8/MWo7XAwkXz4

For this and all remaining lab reports, IR spectra will be taken for both organic starting material AND products. These spectra WILL have to be PROPERLY interpreted to receive full credit!

ir chart (also nmr info)

How to set up interpretation (In class demo)

IR SPECTRA FOR methyl benzoate

IR SPECTRA FOR m-nitromethylbenzoate

 

 

Expt 6 
Nitration

Organic Structure Elucidation Workbook

Sample problems

 

 

 

 

5

6 - 7 July

Synthesis of benzocaine (Specific information for this weeks’ experiment, EXP 7)

 

 

Expt 7 
Benzocaine 

 

 

5

8 - 9 July

Dibenzalacetone (Specific information for this weeks’ experiment, EXP 8)

Some mechanism help

Notes from recitation

lab_8_worksheet.docx

IR SPECTRA for benzaldehyde

IR SPECTRA for dibenzalacetone

 

Expt 8

Aldol

Enol and Enolate Chemistry

 

6

13 - 16 Mar

All students will do their lab report using both their own and the other teams data

NaOCl oxidation of isoborneol

 

Reduction of Camphor to Isoborneol with Sodium Borohydride

(Specific information for this weeks’ experiment) 

Postlab question visual hint

mechanism.pdf

 

IR SPECTRA for isoborneol

IR SPECTRA for camphor

NOTE: WEAR GLOVES!! NaBH4 can be nasty on your skin!

Expt 9

Oxidation/Reduction

 

7

20 - 23

July

ALL students will run the tlc of their material, their partnered groups material against the standards.

All students will do their lab report using both their own and the other teams data

Synthesis of Analgesics - background

Synthesis of Acetominophen

Synthesis of Aspirin

TLC tank image - look here to see what your beaker will need to look like

mechanism_10.pdf

Aspirin IR
Acetaminophen IR

Expt 10

Esters and Amides

 

8

27 - 30 July

Luminol and Chemiluminesence

Mechanism for the formation of the main ring starting material

How luminol detects blood

 

IR spectra of 3-nitrophthalic acid

IR spectra of luminol

Expt 11

Amides and oxidation

 

 

Statement of Non-participation: If at any time during the semester a student has not participated in class activities to a significant degree, the student may,  at the instructor's discretion, be withdrawn from the class.  

Sample questions

Sample Final Exam

Lab Final KEY FS19