PreparED Study Materials
CHEM 111: General Chemistry Laboratory
School: Kansas State University
Number of Notes and Study Guides Available: 1
Notes
Videos
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
Dilution Calculations: Copper(II) Nitrate, Calcium Chloride, Lithium C
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Learn how to perform dilution calculations for solutions, including copper(II) nitrate, calcium chloride, and lithium carbonate, to achieve specific concentrations.
Volume of 49.8g HCl Gas at STP: Finding the Answer in Liters
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This video guides viewers through the process of calculating the volume occupied by Hydrochloric acid gas or HCl at standard temperature and pressure. Using the molar mass of HCl and its properties as an ideal gas the tutorial comprehensively explains each step to determine the volume from a given mass at STP. A must-watch for understanding gas volume conversions in chemistry
Structures & Classifications of C?H?? Alkyl Groups: From Primary to Te
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Explore the diverse structures of C?H?? alkyl groups and classify them into primary, secondary, or tertiary categories. Through a visualization of carbon atom arrangements, uncover the nuances of n-pentyl, sec-pentyl, tert-pentyl, isopentyl, and neopentyl structures.
Calculating Percent Error: Insights into Experiment Accuracy & Refinem
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Discover the importance of calculating percent error to assess the precision of experiments. Through real-world examples like measuring alcohol's density and the mass of gold, learn how this value offers insights into measurement accuracy and ways to refine methods.
Mass of Solutions: 12g Sucrose in 4.1%, 3.2%, & 12.5% Cases
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Determining the total mass of sucrose solutions at varying concentrations: 4.1% 3.2% and 12.5%. Learn step-by-step calculations to find solution masses containing 12 grams of sucrose. Results: ~292.68g ~375g and 96g for each concentration respectively.