PreparED Study Materials
CHEM 211: Elements of Organic Chemistry
School: Montana State University
Number of Notes and Study Guides Available: 6
Notes
Study Guides
Videos
Determining Mass Percent Concentration of Solutions
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This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.
Why is it necessary that protein molecules be enormous?
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This discussion explores the importance of the size of protein molecules, highlighting their three-dimensional structures, diverse functions, and the role of large size in enabling structural motifs, functional regions, and stability without revealing specific examples or findings.
Calculating the Mass Percent Composition of Chloroform (CHCl?)
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In this video, we delve into the concept of percent composition by mass, exemplified through the compound chloroform (CHCl?), which was once employed as an inhalation anesthetic despite its associated toxicity. By calculating the percent composition for each element within the compound, we gain valuable insights into its composition and its potential effects on health and properties.
Mastering Ionic and Net Ionic Equations for Varied Chemical Reactions
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Discover the art of writing balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the nuances that differentiate between these equations and watch them applied to diverse chemical reactants.
Comparing Masses: Analyzing Water, Ethanol, Chloroform & Balsa Wood
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Explore the relationship between mass, density, and volume using real-life examples, including water, ethanol, chloroform, and balsa wood. Learn the process of calculating mass and uncover which substance has the highest mass based on given conditions.
Oxidizing & Reducing Agents: Electron Exchange Demystified
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Explore the world of oxidizing and reducing agents in chemistry. Gain a clear understanding of what they are and how they function without delving too deep into the subject matter.