PreparED Study Materials
CHEM 5500: Practicum in Physical Science
School: Idaho State University
Number of Notes and Study Guides Available: 1
Notes
Videos
Why is Chloromethane Polar but Methane Nonpolar? Decoding Molecule Sha
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Explore the polar nature of Chloromethane and the nonpolar characteristics of Methane. Understand the impact of electronegativity differences and bond types. Deciphering molecular polarity through the lens of tetrahedral structures.
Pure Substances vs. Mixtures: Classifying Based on Composition & Distr
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Understand the fundamental distinctions between pure substances and mixtures. Unpack the definitions and real-world examples of elements, compounds, homogeneous, and heterogeneous mixtures.
Molecular Lewis Structures for CH?, CO?, H?Se, and NH?
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In this video, we demonstrate the creation of Lewis structures for methane, carbon dioxide, hydrogen selenide, and ammonia, highlighting the arrangement of atoms and bonds in each molecule. The video emphasizes the importance of Lewis structures in visualizing atomic bonding and the presence of lone electron pairs.
Structural Isomers: C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, C2H3Cl3
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Explore the diverse world of structural isomers! Learn how to draw structures for all constitutional isomers with various molecular formulas, including C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, and C2H3Cl3.
Element Classification: Rep, Trans, Inner-Trans, Noble Gases
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We categorize elements into representative, transition, inner-transition, and noble gases based on their positions in the periodic table and general characteristics, without revealing specific element classifications.
Animal and Plant Energy Storage: Fats and Oils Explained
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This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.



















