PreparED Study Materials
CHEM 2312: Honors Organic Lab
School: University of Minnesota
Number of Notes and Study Guides Available: 1
Notes
Videos
Classifying Substances: From Pure Elements to Mixtures Explained
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Classify substances into various categories: element compound homogeneous mixture and heterogeneous mixture. This video breaks down the fundamental distinctions between pure substances and mixtures illustrating with real-world examples like urine pure water a Snickers™ bar and soil. A concise guide for understanding the essence of material classification in chemistry.
Calculating Vapor Pressure & Its Lowering: Urea in Water at 35°C
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Explore the intriguing process of determining the vapor pressure of a urea-water solution at 35°C. Using Raoult's law we'll calculate the mole fraction of water and urea leading to the solution's vapor pressure. Learn how the solution's composition affects vapor-pressure lowering
Decoding Electron Configurations: From Rubidium to Argon Explained
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Explore the intricacies of electron configurations around the atomic nucleus. Understand the ordered filling of energy levels in atoms like Rubidium, Germanium, and Argon. A deep look into the ground-state configurations of key elements.
Calculating Percent Composition: Using Molecular Formulas & Atomic Mas
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Understand the process of calculating percent composition using the molecular formula. Grasp the methodology with compounds like C2H4O2, CH2O2, and more. Discover how atomic masses influence the mass percent of elements in various compounds.
Converting Moles to Grams: Aluminum & Chlorine Atomic Mass Breakdown
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"Explore the intricate world of atomic masses using aluminum and chlorine as examples. Understand the concept of 'mole' and its relevance in chemistry. Learn to calculate masses of moles for elements based on atomic weights.
Chips Nutritional Energy and Body Fat Conversion
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Discover how to calculate the nutritional energy in a bag of chips, and learn the science behind converting excess energy into body fat.










