PreparED Study Materials
CHEM 1035: General Chemistry
School: Virginia Polytechnic Institute and State University
Number of Notes and Study Guides Available: 30
Notes
Study Guides
Videos
Chromium & Oxygen: Limiting Reactants & Chromium(III) Oxide Formation
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Unravel the reaction of chromium and oxygen forming chromium(III) oxide. Examine different scenarios to determine the limiting reactant using stoichiometric ratios. Understand how to predict product amounts through these calculations.
Precipitation Reactions Explained: From Solution to Solid Formation
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Unravel the chemistry behind precipitation reactions and the creation of insoluble salts. Learn how aqueous ions interact to form solid precipitates, illustrated with examples like silver nitrate and sodium chloride. Understand their significance in fields from water treatment to qualitative analysis.
Amino Acid Structural Formulas at Low pH
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Explore the protonation of amino acids, specifically valine and threonine, when subjected to a pH lower than their isoelectric points, highlighting the structural changes in their carboxyl and amino groups.
Understanding Average Speed in Kinetic Molecular Theory
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The kinetic molecular theory of gases describes the random motion and speed distribution of gas molecules in a container, and when considering various statements about the average speeds of these molecules, it's important to understand how they behave under different conditions.
Chromium(III) Oxide Reaction: Calculating Precise Quantities
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Learn the art of precise chemical calculations in this video. Discover how Chromium(III) oxide reacts with hydrogen sulfide to form chromium(III) sulfide and water, all while unraveling the necessary steps to determine the exact quantities involved.