PreparED Study Materials
CHEM 696: Master's Thesis Guidance
School: Catholic University of America
Number of Notes and Study Guides Available: 1
Notes
Videos
Physical vs. Chemical: Chlorine Reactions & Magnetism
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Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.
Do Rusting and Burning Violate Conservation of Mass?
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This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.
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Identifying Elements, Compounds, and Mixtures
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Join us in this enlightening video where we unravel the world of chemistry. We'll examine a series of options to identify elements, compounds, and mixtures. Explore the fascinating world of matter and discover how to distinguish these fundamental concepts. Whether you're a student or simply curious about the world of chemistry, this video will help you sharpen your understanding of the building blocks of matter.
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.
Calculating Silver Density from Weight and Water Displacement
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Learn how to find the density of silver using weight and water displacement. A step-by-step guide to a common laboratory technique.




















