PreparED Study Materials
Notes
Videos
From CH? to C?H?: Decoding Molecular Formula with Molar Mass
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Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.
1828 Synthesis of Urea: Pioneering Steps in Biochemistry
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Explore the groundbreaking moment in 1828 when Wöhler synthesized urea, the first organic compound. Join us in this video as we trace the profound impact of this achievement on the field of biochemistry and its significance in unraveling the mysteries of life's complex chemistry.
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.
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.
Ethylene Glycol: Mass and Volume Calculations
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Explore how to calculate the mass and volume of ethylene glycol, a common antifreeze, using its density. Understand the essentials of density-related calculations.