PreparED Study Materials
CH 122: General Chemistry II
School: Oregon State University
Number of Notes and Study Guides Available: 9
Notes
Study Guides
Videos
Unraveling Hydrocarbon Structures: Decoding Degrees of Unsaturation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Hypothesis to Theory: The Evolution of Scientific Understanding
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Delve into the journey of scientific ideas as we discuss how a hypothesis can evolve into a theory, and whether a theory can ever become a law. Uncover the distinctions and connections between these fundamental elements of scientific understanding in this illuminating video.
Moles of H in Samples: H?O, NH?, N?H?, C??H??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the number of moles of hydrogen in different chemical samples, including H?O, NH?, N?H?, and C??H??.
Orthorhombic Unit Cell: Decoding Nickel Sulfate's Crystal Density
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
The video offers an insightful look into the orthorhombic unit cell, a unique crystal lattice structure. By exploring nickel sulfate's unit cell and its specific dimensions, we determine both the number of formula units and the density of this crystalline structure.
Using Avogadro's Number: Calculating Moles of Aluminum & Iron Atoms
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to determine the number of moles in a given set of atoms using Avogadro's number. This tutorial breaks down the calculation for Aluminum and Iron, simplifying the concept for better understanding.
Chemical Combo: How N2 and F2 Produce Nitrogen Trifluoride Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the chemical combination of nitrogen and fluorine to produce nitrogen trifluoride. Learn how to determine the limiting reactant and calculate the theoretical yield using stoichiometry principles.























