PreparED Study Materials
CHEM 3021: Biochemistry
School: University of Minnesota
Number of Notes and Study Guides Available: 15
Notes
Study Guides
Videos
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.
Understanding Electron Configurations of Ions: The Noble Gas Connectio
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Unravel the electron configurations of diverse ions and discern their noble gas resemblances. Understand how atoms and ions strive for full outer electron shells for ultimate stability.
Calculating Backpacker's Fuel Weight: White Gas Density
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Learn how to determine the weight of white gas carried by a backpacker using its density. A valuable skill for hikers and campers.
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Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH
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Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.
0.800g Match to SO?: Volume Calculation at 725 Torr & 32°C!
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Detailed walkthrough of calculating sulfur dioxide gas volume produced from burning tetraphosphorus trisulfide. Utilizes stoichiometry and the Ideal Gas Law to derive results under specific conditions. Step-by-step guide for understanding chemical reactions and gas volume calculations
