PreparED Study Materials
CHEM 2223: Quantitative Analysis
School: University of Missouri - St. Louis
Number of Notes and Study Guides Available: 2
Notes
Videos
Validating & Correcting Chemical Equations: Ba(NO?)? to LiCl Reactions
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Dive into the accuracy of four chemical reactions involving compounds like Barium Nitrate and Lithium Chloride. Discover which reactions yield precipitates which are correct and which need correction. A comprehensive review from Barium Sulfate formation to Lead Chloride precipitation
Calculating the Mass of a Sucrose Crystal: A Chemistry Insight
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Explore the fascinating world of chemistry as we calculate the mass of a sugar crystal with 1.8 x 10¹? molecules of sucrose. Using the concept of a mole and Avogadro's number, discover how to convert molecular numbers to milligrams. Grasp foundational principles in a clear, engaging format.
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.
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
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Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.
Conjugate Bases of Brønsted Acids: Formulas and Descriptions
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This video delves into the fundamental concept of conjugate bases in the context of the Brønsted-Lowry theory of acids and bases, explaining how when acids donate protons, they transform into their respective conjugate bases. This understanding is exemplified through the specific reactions of various compounds, illustrating how each Brønsted acid, upon proton donation, gives rise to its corresponding conjugate base.
Constitution of Compounds: CH4O, CH3Cl, C2H6, CH5N, C2F6, C2H5Br, C3H8
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Unraveling Molecular Structures: Explore the composition of compounds with molecular formulas CH4O, CH3Cl, C2H6, CH5N, C2F6, C2H5Br, and C3H8. Learn about their unique structures and properties.