PreparED Study Materials
Notes
Videos
Tausonite's Unit Cell: Atoms & Formula Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the intricacies of solid-state chemistry, focusing on the unit cell structure of tausonite. Discover its empirical formula, atomic arrangement, and the unique coordination patterns of titanium and strontium with oxygen atoms.
Differential DNA Damage Responses in Prokaryotes and Eukaryotes
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore unique strategies employed by prokaryotes and discover if they possess exclusive mechanisms for handling extreme DNA damage that elude eukaryotes."
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.
Lone Pair vs. Bonding Pair Electrons: Atomic Insights Unveiled
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the atomic world and the crucial distinctions between lone pair and bonding pair electrons in this insightful video. Delve into the fundamental aspects of atomic structure, electron orbitals, and their roles in chemical bonding, reactivity, and molecule formation.
Intermolecular Forces: Comparing Properties of Key Chemical Compounds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the effects of intermolecular forces on the boiling point, freezing point, and vapor pressure of various compounds. Learn how hydrogen bonding, ionic bonding, and London dispersion forces influence these properties in different groups of molecules.
Determining Mass Percent Concentration of Solutions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.















