PreparED Study Materials
CHEM 2040: Chemistry Fundamentals I
School: University of Central Florida
Number of Notes and Study Guides Available: 2
Notes
Videos
Heat Absorption: Lead Weight's Final Temperature
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Explore the process of heat absorption and discover how to calculate the final temperature of a lead fishing weight after absorbing a specific amount of heat.
Comparing O-O Bond Lengths: Hydrogen Peroxide vs. Oxygen Molecule
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Explore the intricacies of hydrogen peroxide's Lewis structure and its bond characteristics. Understand the differences in bond lengths between H?O? and O?. Delve into the distinction between single and double bonds and their implications.
Validating & Correcting Chemical Equations: Ba(NO?)? to LiCl Reactions
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Dive into the accuracy of four chemical reactions involving compounds like Barium Nitrate and Lithium Chloride. Discover which reactions yield precipitates which are correct and which need correction. A comprehensive review from Barium Sulfate formation to Lead Chloride precipitation
Comparing Viscosity: Why C5H11OH is 12x Thicker than C6H14 at 20°C
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Explore the intriguing contrast between Pentanol and Hexane's viscosity at 20 degrees Celsius. Uncover how molecular interactions influence a liquid's 'thickness' and discover why similar molecular weights can lead to vastly different substance properties
Barium Chloride & Sodium Sulfate: Calculating BaSO? Yield
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Dive into the chemical reaction between Barium Chloride and Sodium Sulfate. Through step-by-step calculations, discover how to determine the resultant mass of Barium Sulfate. Conclude with a real-world example, highlighting the precise amount formed.
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.