PreparED Study Materials
Videos
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.
Mass Calc: C?F, MgF?, CS? & SO? Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Master the conversion of moles to grams with clear step-by-step guidance. Explore specific calculations for substances like carbon tetrafluoride and magnesium fluoride. Grasp the nuances of handling different units like millimoles and kilomoles in the context of substances such as carbon disulfide and sulfur trioxide
Identifying Elements, Compounds, and Mixtures
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us in this enlightening video where we unravel the world of chemistry. We'll examine a series of options to identify elements, compounds, and mixtures. Explore the fascinating world of matter and discover how to distinguish these fundamental concepts. Whether you're a student or simply curious about the world of chemistry, this video will help you sharpen your understanding of the building blocks of matter.
Structural Isomers: C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, C2H3Cl3
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the diverse world of structural isomers! Learn how to draw structures for all constitutional isomers with various molecular formulas, including C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, and C2H3Cl3.
Balancing Equations: From Lead Sulfide to Ammonia Reactions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video shows you how to balance equations from the reaction of lead(II) sulfide with hydrochloric acid to ammonia's interaction with oxygen. Understand the nuances of atom balancing and grasp the precise stoichiometric relationships.
Mastering Mass, Moles, Formula Units & Atoms
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to precisely calculate mass, moles, formula units, and atoms in various compounds. Understand the concept with examples like chromium(III) sulfate decahydrate, dichlorine heptoxide, and lithium sulfate. Master chemistry calculations through a step-by-step guide.



