PreparED Study Materials
CHEM 151: General Chemistry I
School: University of Arizona
Number of Notes and Study Guides Available: 10
Notes
Videos
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.
Classifying Substances: From Pure Elements to Mixtures Explained
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Classify substances into various categories: element compound homogeneous mixture and heterogeneous mixture. This video breaks down the fundamental distinctions between pure substances and mixtures illustrating with real-world examples like urine pure water a Snickers™ bar and soil. A concise guide for understanding the essence of material classification in chemistry.
What is the expected ground-state electron configuration for Te²??
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Join us in this illuminating video as we unravel the expected ground-state electron configuration for Te²?. We dive into the world of chemistry to explain the electron structure of this fascinating ion. Whether you're a student, a chemistry enthusiast, or simply curious about the periodic table, this video provides a clear and comprehensive breakdown of the electron configuration for Te²?. Discover the secrets of electron arrangement and explore the intriguing properties of tellurium in its doub
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.
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.
Glycerin Solution Vapor Pressure at 39.88°C
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Discover how to calculate the vapor pressure of a glycerin solution when mixed with water at a specific temperature. A valuable chemistry lesson.