PreparED Study Materials
CHM 2045: General Chemistry I
School: University of South Florida
Number of Notes and Study Guides Available: 3
Notes
Videos
Iron Bar: Mass Change and Rust Formation
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Learn about mass changes in an iron bar when exposed to moist air, including the formation of rust (Fe?O?) and how to calculate the final mass.
Lewis Structures with Atom Connections & Charges
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Learn how to create Lewis structures for various molecules and assign charges where needed. Understand the molecular connectivity and electron distribution.
Sketching Lewis Structures: Radical Species ClF? and BrO? Explained
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This video elucidates the method to sketch Lewis structures for the radical species ClF? and BrO?. Highlighting the distinguishing feature of an unpaired electron, we illustrate the bond arrangements and lone pairs that define these unique chemical entities.
What makes bubbles when water boils?
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When water boils, bubbles rise to the surface, but what's in these bubbles? Let's evaluate the options. Option d, water vapor, is correct; the bubbles during boiling are primarily composed of water vapor, the gaseous state of water.
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.
Molecular Geometry & Polarity: Why CO? & CCl? Are Nonpolar Explained
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Uncover the intriguing relationship between molecular geometry and polarity in chemistry. Using CO? and CCl? as examples, learn how polar bonds can result in nonpolar molecules. Recognize the role of symmetry in determining molecular polarity.
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General chem 2045: chapter 2 (Chemistry)
CHM 2045
University of South Florida
48 pages | Spring 2019