PreparED Study Materials
CHEM 102: Fundamental Chemistry II
School: University of Maryland - Baltimore County
Number of Notes and Study Guides Available: 11
Notes
Study Guides
Videos
Physical vs Chemical Changes: Understanding Reactions & Transformation
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Discover the differences between physical and chemical changes using common examples. Understand how sugar reacts in various scenarios, and how metals undergo changes, either maintaining their substance or forming new compounds.
Specific Rotation Calculation: Polarimeter Demystified
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Discover how to calculate specific rotations of samples using a polarimeter in this informative chemistry tutorial. Explore optical activity and learn step-by-step calculations for two real-world examples. Enhance your understanding of specific rotation and its application in chemical analysis.
Endothermic Rxn: Ba(OH)2·8H2O & NH4NO3 Heat Dynamics
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Explore the endothermic reaction between Ba(OH)2·8H2O and NH4NO3 observing its impact on surroundings like the freezing water. Discover why touching the beaker feels cold and learn about heat transfer in such chemical reactions. This video is an insightful demonstration of heat absorption in chemical reactions.
SN2 Rate: Doubling NaOH & 1-Bromopropane Effects
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"Explore how altering concentrations and volume impacts the rate of an SN2 reaction between 1-bromopropane and sodium hydroxide. Learn the rate equation that describes this reaction and see real examples of how rate changes with concentration and volume adjustments
Ethane Hydrazine or Fluoromethane: Which is Liquid at Room Temp?
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Explore the states of ethane hydrazine and fluoromethane at room temperature by understanding intermolecular forces. Learn about nonpolar molecules dipole-dipole interactions and the powerful influence of hydrogen bonding. Discover why hydrazine stands out as most likely to be a liquid in everyday conditions.
Calculating the Amount of Cesium and Iodine in a 38.77g Cs-I Compound
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Learn how to calculate the amounts of Cesium and Iodine in a 38.77g sample of a Cs-I compound. Starting with a 125g compound this tutorial uses conversion factors to find 19.83g of Cesium and 18.94g of Iodine. Perfect for chemistry students seeking to master stoichiometry and compound analysis.