PreparED Study Materials
CHEM 455: Physical Chemistry
School: University of North Texas
Number of Notes and Study Guides Available: 2
Notes
Videos
Determining Neutrons from Atomic & Mass Numbers: A Comprehensive Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understand the relationship between atomic number, mass number, and neutrons within atoms. This video breaks down the simple calculation to determine the number of neutrons for specific elements like Nickel, Uranium, Scandium, and Argon.
0.800g Match to SO?: Volume Calculation at 725 Torr & 32°C!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Detailed walkthrough of calculating sulfur dioxide gas volume produced from burning tetraphosphorus trisulfide. Utilizes stoichiometry and the Ideal Gas Law to derive results under specific conditions. Step-by-step guide for understanding chemical reactions and gas volume calculations
Drawing Open-Chain Structures: A Visual Guide to Four Sugars
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn how to draw open-chain structures for various sugars, from ketotetrose to amino sugars. This video offers visual demonstrations of ketopentose, deoxyaldohexose, and more, highlighting key molecular differences.
Dimethylamine vs. Trimethylamine: Structures & Boiling Points
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the science behind boiling points and molecular interactions in this video. Explore why Dimethylamine boils at a higher temperature than Trimethylamine, despite having a lower molecular weight, and gain insights into the role of molecular structures in determining physical properties.
Animal and Plant Energy Storage: Fats and Oils Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.
Identifying Redox Reactions & Agents: Four Chemistry Examples
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore oxidation and reduction processes across four chemical reactions differentiating between acid-base and redox activities. Highlighting key substances and their roles in each reaction.