PreparED Study Materials
Notes
Study Guides
Videos
BrF?, ClF?, & IF? Lewis Structures: Which Don't Obey Octet Rule?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel the Lewis structures of BrF?, ClF?, and IF? and their relationship with the octet rule. Examine how fluorine bonds with bromine, chlorine, and iodine. Identify molecules that deviate from the standard octet distribution.
Volume Calculation for Acetone, Olive Oil, and Chloroform
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Determining Formula Mass: Step-by-Step Approach Using Atomic Masses
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the method to determine the formula mass for various compounds. Learn about the importance of atomic masses and their role in compounds like Aluminium sulfate, Diphosphorus Trioxide, and more. Understand the step-by-step approach to accurately calculate molecular weights.
Dilution Calculations: Copper(II) Nitrate, Calcium Chloride, Lithium C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to perform dilution calculations for solutions, including copper(II) nitrate, calcium chloride, and lithium carbonate, to achieve specific concentrations.
Kettle Scale Removal: Water Filling Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn a practical application of chemistry and mathematics in your daily life. Whether you're a tea or coffee enthusiast, this video offers valuable insights into scale removal and maintaining your kitchen appliances.
Quantifying Atoms Molecules & Moles: A Comprehensive Chemistry Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Grasp the fundamental concept of moles in chemistry by equating it to the universally understood notion of a dozen. This video breaks down the usage of Avogadro's constant demonstrating calculations from moles to particles and vice versa. Using real-world examples like Carbon atoms Sulfur Dioxide molecules and Iron atoms viewers gain a clear understanding of moles and particle conversions






















