PreparED Study Materials

CHEM 530: CHEM 530

School: University of Washington

Number of Notes and Study Guides Available: 4

Notes

Videos

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.

Unveiling Earth's Crust: Calculating Silicon Mass
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Explore the fascinating process of calculating the mass of silicon in Earth's crust. Learn how to convert Earth's total mass to grams, determine the crust's mass percentage, and find the silicon's mass within the crust. Discover the scale of silicon's presence in our planet's outer layer.

Identifying Redox Reactions & Agents: Four Chemistry Examples
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Explore oxidation and reduction processes across four chemical reactions differentiating between acid-base and redox activities. Highlighting key substances and their roles in each reaction.

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.

Drawing Lewis Structures for Potassium, Barium, Aluminum, and Bromine
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We explore Lewis structures, which depict atom bonding and lone electron pairs. We create Lewis structures for potassium, barium, aluminum, and bromine by using group numbers in the periodic table to determine their valence electrons.

Argon Isotopes: Protons, Neutrons & Electrons Breakdown
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Explore the captivating branches of philosophy, understanding ethics as our moral guide, aesthetics as the interpreter of beauty, and logic as the foundation for clear reasoning. Delight in the insights these disciplines offer, enhancing our perspectives on life, art, and thought.

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