PreparED Study Materials
CHEM 111: General Chemistry 1
School: Washington University in St. Louis
Number of Notes and Study Guides Available: 1
Notes
Videos
Drawing Lewis Structures for Ionic Compounds: SrO Li2S CaI2 & RbF
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the art of constructing Lewis dot structures for ionic compounds such as SrO Li2S CaI2 and RbF. Understand the electron transfer process by diving into each atom's valency and its role in compound formation. Unpack the intricacies of ionic interactions for a deeper chemistry insight.
Strong Base Comparison: H?S?, CH?O?, CH?OH, Cl?, CH?COO?, CH?CHClCOO
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the reactivity of different bases in this chemistry comparison. We'll analyze the strength of H?S?, CH?O?, CH?OH, Cl?, CH?COO?, and CH?CHClCOO? in various reactions.
Crafting Ionic and Net Ionic Equations: Step-by-Step Guide with Exampl
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to craft balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the significance of aqueous ions and solid state indicators in these equations.
Why is Chloromethane Polar but Methane Nonpolar? Decoding Molecule Sha
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the polar nature of Chloromethane and the nonpolar characteristics of Methane. Understand the impact of electronegativity differences and bond types. Deciphering molecular polarity through the lens of tetrahedral structures.
Understanding Microwaves: Boiling Water's Time and Photon Count
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video breaks down the process of calculating the time and number of photons required to boil water in a microwave. Using given power, wavelength, and water specifics, we determine both energy needs and photon count.
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:
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