PreparED Study Materials
CHEM 161: General Chemistry W/ Lab I
School: Tacoma Community College
Number of Notes and Study Guides Available: 2
Notes
Videos
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.
Why is the study of chiral molecules important in biochemistry?
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This discussion highlights the significance of studying chiral molecules in biochemistry, emphasizing their impact on biological activity, molecular recognition, pharmacokinetics, and biomedical research, without revealing specific examples or findings.
Electron Configurations: Zn Cu Zr & Fe Transition Metals Explained!
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Unravel electron configurations for transition metals including zinc copper zirconium and iron. Understand how atomic number influences electron arrangement based on the Pauli exclusion principle Hund's rule and the Aufbau principle. Decode the configurations of each metal with clarity.
Using Avogadro's Number: Calculating Moles of Aluminum & Iron Atoms
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Learn how to determine the number of moles in a given set of atoms using Avogadro's number. This tutorial breaks down the calculation for Aluminum and Iron, simplifying the concept for better understanding.
Counting Oxygen Atoms in Various Molecular Sets
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Discover the simple yet essential method for counting the number of oxygen atoms in different molecular sets, including molecules and ions.
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.

