PreparED Study Materials
Notes
Videos
Strontium: Deep Dive into Its Isotopes & Atomic Structure
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Discover the step-by-step process of Barium Sulfate formation from the reaction of Barium Chloride with Sodium Sulfate. Learn about molar mass calculations stoichiometry and yield predictions.
Acid Strength Comparison: Isomers and Proton Removal Explained
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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.
Understanding Key Assumptions of Kinetic Molecular Theory in Detail!
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Dive into the Kinetic Molecular Theory of Matter understanding how atoms and molecules possess kinetic energy which we measure as temperature. Explore the five core assumptions including the constant random motion of gas particles and the relation between kinetic energy and temperature. Demystify the concepts of particle collisions intermolecular interactions and the universal behavior of gases at given temperatures
Volume Calculation for Acetone, Olive Oil, and Chloroform
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In this video, the presenter demonstrates the process of calculating the volume of 125g for three different liquids—Acetone, Olive oil, and Chloroform—using the formula "Volume = Mass / Density," providing step-by-step solutions for each liquid, ultimately revealing their respective volumes. This instructional video guides viewers through the calculations and showcases the outcome for each liquid's volume.
Intermolecular Forces: Comparing Properties of Key Chemical Compounds
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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.
Hydrogen Peroxide Molecule Classification
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This discussion explores the nature of hydrogen peroxide as a compound composed of hydrogen and oxygen atoms and categorizes it as either a homoatomic or heteroatomic molecule.