PreparED Study Materials
CHEM 4712: Biochemistry
School: University of Missouri - St. Louis
Number of Notes and Study Guides Available: 4
Notes
Videos
Density Explained: Calculating the Density of an Osmium Cube
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this tutorial, we break down the principle of density, illustrating it as a measure of mass per unit volume. Using an osmium cube as a practical example, we walk viewers through the steps of computing its density, demonstrating the interplay between mass, volume, and particle arrangement.
Dimethylamine vs. Trimethylamine: Structures & Boiling Points
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Calculating Silver Density from Weight and Water Displacement
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to find the density of silver using weight and water displacement. A step-by-step guide to a common laboratory technique.
Converting Moles to Grams: Aluminum & Chlorine Atomic Mass Breakdown
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
"Explore the intricate world of atomic masses using aluminum and chlorine as examples. Understand the concept of 'mole' and its relevance in chemistry. Learn to calculate masses of moles for elements based on atomic weights.
Endothermic Rxn: Ba(OH)2·8H2O & NH4NO3 Heat Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the endothermic reaction between Ba(OH)2·8H2O and NH4NO3 observing its impact on surroundings like the freezing water. Discover why touching the beaker feels cold and learn about heat transfer in such chemical reactions. This video is an insightful demonstration of heat absorption in chemical reactions.
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.












