PreparED Study Materials
CHM 111: Foundations of Chemistry
School: Marshall University
Number of Notes and Study Guides Available: 0
Videos
Decoding Ions: Al³?, S²?, I?, Ag? & Their Electron-Proton Dynamics
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Break down the mysteries of ions like Al³?, S²?, I?, and Ag?. Discover how the electron count impacts ion charge by exploring Aluminium, Sulfur, Iodine, and Silver. Enhance your understanding of protons, electrons, and their relationship in ions.
From CH? to C?H?: Decoding Molecular Formula with Molar Mass
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Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.
Electron Configurations: Zn Cu Zr & Fe Transition Metals Explained!
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Unravel electron configurations for transition metals including zinc copper zirconium and iron. Understand how atomic number influences electron arrangement based on the Pauli exclusion principle Hund's rule and the Aufbau principle. Decode the configurations of each metal with clarity.
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.
Ethylene Glycol: Mass and Volume Calculations
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Explore how to calculate the mass and volume of ethylene glycol, a common antifreeze, using its density. Understand the essentials of density-related calculations.
Unraveling Hydrocarbon Structures: Decoding Degrees of Unsaturation
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Explore the concept of the degree of unsaturation in hydrocarbons. Understand its importance in revealing double bonds, triple bonds, or rings. Learn through examples like limonene, squalene, and lycopene.









