PreparED Study Materials
CHEM 239: Organic Chemistry
School: University of Washington
Number of Notes and Study Guides Available: 11
Notes
Study Guides
Videos
Physical vs. Chemical: Chlorine Reactions & Magnetism
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.
Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.
Mole Fractions, Partial Pressures, and Total Pressure Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the calculations for mole fractions, partial pressures, and total pressure in a 22.4 dm³ vessel with H? and N? at 273.15 K.
Calculating Ksp for Ca3(PO4)2 at 25°C: Step-by-Step Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the concepts of 'Molar Solubility' and 'Solubility Product' to gauge salt solubility. Explore how Calcium Phosphate dissociates in solutions and calculate its unique Ksp value.
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:
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.
Crafting Ionic and Net Ionic Equations: Step-by-Step Guide with Exampl
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to craft balanced, complete ionic, and net ionic equations for various chemical reactions. Learn the significance of aqueous ions and solid state indicators in these equations.