PreparED Study Materials
CHEM 2: Chemistry 2C
School: University of California - Davis
Number of Notes and Study Guides Available: 4
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.
Molecular Geometry & Polarity: Why CO? & CCl? Are Nonpolar Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the intriguing relationship between molecular geometry and polarity in chemistry. Using CO? and CCl? as examples, learn how polar bonds can result in nonpolar molecules. Recognize the role of symmetry in determining molecular polarity.
Calculate the Volume of 3.00 Moles of Kr(g) at STP
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the principles of gas behavior at standard temperature and pressure (STP) and how to determine the volume occupied by a given number of moles of gas under these conditions.
Calculating Vapor Pressure & Its Lowering: Urea in Water at 35°C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intriguing process of determining the vapor pressure of a urea-water solution at 35°C. Using Raoult's law we'll calculate the mole fraction of water and urea leading to the solution's vapor pressure. Learn how the solution's composition affects vapor-pressure lowering
Unraveling Hydrocarbon Structures: Decoding Degrees of Unsaturation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the concept of the degree of unsaturation in hydrocarbons. Understand its importance in revealing double bonds, triple bonds, or rings. Learn through examples like limonene, squalene, and lycopene.
Unveiling Earth's Crust: Calculating Silicon Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fascinating process of calculating the mass of silicon in Earth's crust. Learn how to convert Earth's total mass to grams, determine the crust's mass percentage, and find the silicon's mass within the crust. Discover the scale of silicon's presence in our planet's outer layer.