PreparED Study Materials
CHE 13699: Intro Chemistry I
School: Appalachian State University
Number of Notes and Study Guides Available: 6
Notes
Study Guides
Videos
Determining Mass Percent Concentration of Solutions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Density Explained: Calculating the Density of an Osmium Cube
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this tutorial, we break down the principle of density, illustrating it as a measure of mass per unit volume. Using an osmium cube as a practical example, we walk viewers through the steps of computing its density, demonstrating the interplay between mass, volume, and particle arrangement.
Understanding Boiling Points: Ethylene Glycol, Alcohols & Ethers Expla
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video offers insights into the properties and boiling points of different alcohols and ethers, including antifreeze agents like ethylene glycol. We also discuss how molecular structures and interactions impact boiling points, shedding light on key differences among related compounds.
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.
Deriving the Perfect Gas Equation from Gas Laws
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn how the ideal gas equation is derived from Boyle's law, Charles’ law, and Avogadro's principle, unraveling the fundamentals of gas behavior.
Chromium(III) Oxide Reaction: Calculating Precise Quantities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn the art of precise chemical calculations in this video. Discover how Chromium(III) oxide reacts with hydrogen sulfide to form chromium(III) sulfide and water, all while unraveling the necessary steps to determine the exact quantities involved.