PreparED Study Materials
CHEM 111: Chemistry 111
School: College of Charleston
Number of Notes and Study Guides Available: 14
Notes
Study Guides
Videos
Drawing Lewis Structures for Ionic Compounds: SrO Li2S CaI2 & RbF
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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.
Drawing the Lewis Structure for Glycine: The Protein Building Block
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Discover how amino acids, specifically glycine, form the foundation of proteins. Understand and visualize the Lewis structure representation of glycine. Grasp the significance of atomic bonding and electron distribution.
Rutherford's Gold Foil: The Pivot to the Modern Nuclear Atom Model
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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.
Weight% of Ba, K, Cl in Heated BaCl2·2H2O & KCl Mix
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In this video we explore the process of calculating the weight percent of barium potassium and chlorine in a mixed sample of barium chloride dihydrate and potassium chloride. Through a step-by-step approach we examine the changes in sample weight after heating to 160°C breaking down the calculations for each elemental content.
Unveiling the Water-to-Salt Ratio in Barium Chloride Hydrate
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Explore the process of determining the number of water molecules in a barium chloride hydrate. Through a reaction with sulfuric acid, the video highlights how to derive the formation of barium sulfate and its mass calculations. A comprehensive chemical analysis leads to finding the elusive 'x' value, revealing the water-to-salt ratio.
Ionic Character Comparison: Analyzing NaBr vs. HBr and BrCl vs. FCl
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Discover the analysis of ionic character in compounds based on electronegativity differences. Learn about the contrasts between NaBr vs. HBr and BrCl vs. FCl. Grasp why NaBr and FCl showcase greater ionic character than their paired compounds.






















