PreparED Study Materials
CHEM 1215: CHEM 1215
School: Oklahoma State University
Number of Notes and Study Guides Available: 2
Notes
Videos
Unveiling the Water-to-Salt Ratio in Barium Chloride Hydrate
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the process of determining the number of water molecules in a barium chloride hydrate. Through a reaction with sulfuric acid, the video highlights how to derive the formation of barium sulfate and its mass calculations. A comprehensive chemical analysis leads to finding the elusive 'x' value, revealing the water-to-salt ratio.
Classify: (a) Mixture (b) Element (c) Mixture (d) Compound
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this video, we classify substances as elements, compounds, or mixtures, with air and soy sauce as mixtures, iron as an element, and table salt as a compound.
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.
Calculating Backpacker's Fuel Weight: White Gas Density
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to determine the weight of white gas carried by a backpacker using its density. A valuable skill for hikers and campers.
Calculating the Mass of CCl4: Using Density and Volume Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the method to calculate the mass of a substance using its density and volume. This video demonstrates the practical application of density in determining the mass of carbon tetrachloride (CCl4) from a given volume.
Why Fluorine Can't Form FH? or FCl?: Unpacking VSEPR Theory & Electron
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore why fluorine, with its seven valence electrons, doesn't form compounds like FH? or FCl?. Understand the role of VSEPR theory, atomic size, and electronegativity in limiting bond formation. Grasp the interplay of geometric challenges and electron repulsion in compound stability.



















