PreparED Study Materials
CHEM 122: CHEM 122
School: University of Massachusetts
Number of Notes and Study Guides Available: 6
Notes
Videos
Mastering Molar Mass: Calculations for Key Chemical Compounds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the molar mass of various chemical compounds, including Mercury(I) chloride, Calcium sulfate dihydrate, Chlorine pentoxide, and Sodium hydrogen sulfate. Learn the step-by-step process and atomic mass calculations for accurate results.
Glucose Polymer with Alternating Glycosidic Linkages: Structure and Fu
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating discovery of a glucose polymer with alternating glycosidic linkages. We'll visualize its Haworth projection and investigate its potential role in organisms, pondering whether it primarily serves a structural or energy storage function. Additionally, we'll discuss which types of organisms might utilize this unique polysaccharide as a potential food source.
Comparing Structural Features of Sphingomyelins and Glycolipids
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explores the structural and functional differences between sphingomyelins and glycolipids, two types of lipids found in cell membranes, highlighting their commonalities in backbone and fatty acid composition and their distinctive roles in cell structure and recognition.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Quantifying Atoms Molecules & Moles: A Comprehensive Chemistry Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Grasp the fundamental concept of moles in chemistry by equating it to the universally understood notion of a dozen. This video breaks down the usage of Avogadro's constant demonstrating calculations from moles to particles and vice versa. Using real-world examples like Carbon atoms Sulfur Dioxide molecules and Iron atoms viewers gain a clear understanding of moles and particle conversions
Calculating Water's Freezing Point at Various Concentrations: A Chemis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to compute the freezing point of water at various solution concentrations using the freezing point depression formula. Uncover the relationship between concentration and the lowered freezing points for four distinct solutions. Equip yourself with essential knowledge on the effects of solute concentration on water's freezing behavior.













