PreparED Study Materials
CHEM 2420: Organic Chemistry II
School: Tulane University
Number of Notes and Study Guides Available: 26
Notes
Study Guides

Organic chemistry: test 3 study guide (Chemistry)
CHEM 2420
Tulane University
13 pages | Spring 2016
Videos
Comparing O-O Bond Lengths: Hydrogen Peroxide vs. Oxygen Molecule
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of hydrogen peroxide's Lewis structure and its bond characteristics. Understand the differences in bond lengths between H?O? and O?. Delve into the distinction between single and double bonds and their implications.
Molecule Count in 0.334 g of C?H?: Ethane Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This instructional video guides you through the process of determining the number of molecules in a given sample. It illustrates the conversion from grams to moles using the molar mass of the substance and then to molecules using Avogadro's number, providing a practical example with ethane (C?H?) to calculate approximately 6.67 x 10²¹ molecules in a 0.334 g sample.
Reactions of Isopentyl Bromide with Various Reagents
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating reactions of isopentyl bromide with a variety of reagents and uncover the expected products in each scenario.
Ether Structures: Ethyl to Dipentyl Varieties Drawn
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the chemical structures of four distinct ethers: ethyl propyl ether dibutyl ether methyl hexyl ether and dipentyl ether. Understand the role of ether groups which involve an oxygen atom connected to two alkyl or aryl groups.
Chromium(III) Oxide Reaction: Calculating Precise Quantities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the art of precise chemical calculations in this video. Discover how Chromium(III) oxide reacts with hydrogen sulfide to form chromium(III) sulfide and water, all while unraveling the necessary steps to determine the exact quantities involved.
Calculating Formula Masses: From Barium Bromide to Hydrobromic Acid
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Understand the process of calculating formula masses for various compounds. This video breaks down the atomic masses for elements in barium bromide, dinitrogen trioxide, copper(I) sulfate, and hydrobromic acid. Master the method of summing up the masses considering atom count in each formula.




































