PreparED Study Materials
CH 222: General Chemistry
School: Portland State University
Number of Notes and Study Guides Available: 3
Notes
Videos
The mass of a sugar crystal with 1.8 × 10¹? sucrose molecules
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This video guides you through calculating the theoretical yield of a product in moles for a given chemical reaction by identifying the limiting reactant. It explains how to determine the limiting reactant for different quantities of reactants and then calculates the corresponding moles of the product, ensuring an accurate theoretical yield estimation.
Hydrogen Peroxide Molecule Classification
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This discussion explores the nature of hydrogen peroxide as a compound composed of hydrogen and oxygen atoms and categorizes it as either a homoatomic or heteroatomic molecule.
Disulfur Decafluoride Disproportionation & Sulfur Oxidation States
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This video explains the disproportionation reaction of disulfur decafluoride at 150°C. It teaches you to write a balanced equation for this reaction and give the oxidation state of S in each compound.
Reversible Enzyme Inhibition: Good or Bad? Exploring Implications
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Delve into the complex world of enzymes and explore the implications of their reversible inhibition, shedding light on whether it's advantageous or detrimental to biological processes."
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
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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.
Chips Nutritional Energy and Body Fat Conversion
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Discover how to calculate the nutritional energy in a bag of chips, and learn the science behind converting excess energy into body fat.



















