PreparED Study Materials
BCHM 131: Chemistry I - Fundamentals of General Chemistry
School: University of Maryland - College Park
Number of Notes and Study Guides Available: 1
Notes
Videos
The original sulfur quantity (tons) for 26M tons SO?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the environmental impact of sulfur dioxide production, revealing how 26 million tons of this compound conceal 13 million tons of sulfur. It delves into the chemistry of this transformation, converting atomic and molecular masses, providing valuable insights into emissions from activities like burning coal and auto exhaust."
Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.
Breaking Down Mixtures: Finding Mass Percent of Sodium Compounds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the method to determine mass percentages of Sodium Bromide and Sodium Sulfate in a mixture using the given Sodium content. Walk through a step-by-step calculation leveraging molar masses to derive the composition. Discover the resulting mass percentages: 23.85% for Sodium Bromide and 76.15% for Sodium Sulfate
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.
Metric Conversions: cm to m, g to kg, cm to mm, mL to L
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Master metric unit conversions with step-by-step examples, including cm to meters, g to kilograms, cm to millimeters, and mL to liters.
Ethylene Glycol: Mass and Volume Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore how to calculate the mass and volume of ethylene glycol, a common antifreeze, using its density. Understand the essentials of density-related calculations.