PreparED Study Materials
CHEM 09105: Intro to Modern Chemistry
School: Carnegie Mellon University
Number of Notes and Study Guides Available: 0
Videos
Indium Secrets: Electron Config Magnetism & HCl Reaction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video breaks down the configurations for In In+ In2+ and In3+ distinguishing between diamagnetic and paramagnetic properties. Uncover the oxidation state of Indium in InCl2 and understand its diamagnetic nature.
Theoretical Yield of TiCl? for Various Reactant Quantities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore how to calculate the theoretical yield of TiCl? in moles based on different initial quantities of reactants in the chemical equation Ti + 2 Cl? ? TiCl?.
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:
full solution
Master metric unit conversions with step-by-step examples, including cm to meters, g to kilograms, cm to millimeters, and mL to liters.
1828 Synthesis of Urea: Pioneering Steps in Biochemistry
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the groundbreaking moment in 1828 when Wöhler synthesized urea, the first organic compound. Join us in this video as we trace the profound impact of this achievement on the field of biochemistry and its significance in unraveling the mysteries of life's complex chemistry.
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:
full solution
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
Producing Ammonium Sulfate: Calculating the Required Ammonia
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the process to determine the quantity of ammonia (NH?) required to produce a specific amount of ammonium sulfate ((NH?)?SO?). Through a step-by-step explanation, learn the application of the balanced chemical equation and molar mass conversions. Transform theoretical chemistry into practical knowledge with this insightful guide.

