PreparED Study Materials
CH 111: Intro CHEM Principles >3
School: University of Oregon
Number of Notes and Study Guides Available: 2
Notes
Videos
Heat Absorption: Lead Weight's Final Temperature
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the process of heat absorption and discover how to calculate the final temperature of a lead fishing weight after absorbing a specific amount of heat.
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.
Comparing pH: Acid Concentrations Strength Ka pKa & pOH Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understanding pH Values: In this video we break down the pH levels of various solutions. Discover the importance of acid strengths via Ka and pKa contrast weak vs. strong acids and learn the counterintuitive relationship between pOH and pH.
Counting Chlorine Atoms in Key Chemical Compounds: A Detailed Breakdow
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the count of chlorine atoms in various chemical compounds. Grasp the calculations in Carbon tetrachloride, Calcium chloride, Phosphorus trichloride, and Sodium chloride. Gain clarity on atomic count across multiple molecules.
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.