PreparED Study Materials
CHEM 2870: Introductory Physical Chemistry
School: Cornell University
Number of Notes and Study Guides Available: 2
Notes
Videos
Diprotic Acid Titration: Determining Molar Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to find the molar mass of an unknown diprotic acid through a titration experiment with 0.1288 M NaOH. Learn step by step in this chemistry tutorial.
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.
Comparing Masses: Analyzing Water, Ethanol, Chloroform & Balsa Wood
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relationship between mass, density, and volume using real-life examples, including water, ethanol, chloroform, and balsa wood. Learn the process of calculating mass and uncover which substance has the highest mass based on given conditions.
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.
Boyle's Law Explained: From Compression to Pressure Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the intricacies of Boyle's Law through an example involving isothermal compression of a perfect gas. Watch as we calculate the original pressure using the change in volume and final conditions. This tutorial simplifies complex gas laws for easy comprehension.
Converting Various Units: Weight, Time, Height, and Volume
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video focuses on unit conversions and the practical use of conversion factors to translate quantities between different units. It provides clear examples of converting 70 kilograms to pounds, translating 14 billion years into seconds, changing the height of a basketball player from feet and inches to meters, and converting cubic meters to liters, illustrating the importance of this skill in various scientific and everyday scenarios.


















