PreparED Study Materials
Notes
Videos
Converting Various Units: Weight, Time, Height, and Volume
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video focuses on unit conversions and the practical use of conversion factors to translate quantities between different units. It provides clear examples of converting 70 kilograms to pounds, translating 14 billion years into seconds, changing the height of a basketball player from feet and inches to meters, and converting cubic meters to liters, illustrating the importance of this skill in various scientific and everyday scenarios.
Rutherford's Gold Foil: The Pivot to the Modern Nuclear Atom Model
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover Rutherford's pivotal Gold Foil Experiment and its impact on atomic theory. Unveil the discrepancies with the Plum Pudding Model. Grasp the birth of the nuclear atom model through unexpected alpha particle deflections.
Where in the cell does fatty acid catabolism take place?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explores the process of fatty acid catabolism, highlighting its occurrence in the mitochondria, the crucial role of mitochondria in energy generation, and the metabolic reactions involved without revealing specific details or conclusions.
Molar Mass Calculation: Sr(OH)2 N2O3 NaClO3 Cr2O3 Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this chemistry tutorial learn how to calculate the molar mass of various compounds using atomic masses from the periodic table. Discover the molar mass for compounds such as Strontium Hydroxide Dinitrogen Trioxide Sodium Chlorate and Chromium(III) Oxide. A concise guide to understanding molar masses and their real-world applications.
Disulfur Decafluoride Disproportionation & Sulfur Oxidation States
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explains the disproportionation reaction of disulfur decafluoride at 150°C. It teaches you to write a balanced equation for this reaction and give the oxidation state of S in each compound.
Understanding Key Assumptions of Kinetic Molecular Theory in Detail!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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









