PreparED Study Materials
CHEM 1225: General Chemistry Lab II
School: University of Utah
Number of Notes and Study Guides Available: 1
Notes
Videos
Utilizing Chemical Names and Symbols in Copper Cycle Analysis
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Explore the power of chemical names and symbols in deciphering copper compound formation at each step of the copper cycle, with an illustrative example.
Glycogen Synthesis and Phosphorylase Deactivation: Essential Mechanism
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Delve into the intricate interplay between glycogen synthesis activation and glycogen phosphorylase deactivation. Discover the essential mechanisms that ensure the efficient management of glucose storage and utilization in the body.
Aluminum & Iron(III) Oxide Reaction: Welding Heat & Calculations
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Explore the chemical reaction between Aluminum and Iron (III) Oxide commonly used in welding. Learn to calculate the mass of Aluminum Oxide formed and identify the excess reagent. Dive deep into molar mass conversions stoichiometry and real-world applications in this chemistry tutorial.
Vaporization vs. Condensation: Heat Absorption & Release
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Discover the contrasting processes of vaporization and condensation and their thermal nature. Understand why boiling is endothermic, absorbing heat, while condensation is exothermic, releasing heat, and how these processes impact ?H values.
Calculating Water's Freezing Point at Various Concentrations: A Chemis
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Learn how to compute the freezing point of water at various solution concentrations using the freezing point depression formula. Uncover the relationship between concentration and the lowered freezing points for four distinct solutions. Equip yourself with essential knowledge on the effects of solute concentration on water's freezing behavior.
Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
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This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.