PreparED Study Materials
CHEM 102: General Chemistry II
School: Drexel University
Number of Notes and Study Guides Available: 15
Notes
Study Guides
Videos
Denver Pressure Conversion: Atmospheres mmHg psi & Pascals Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Converting Denver's average pressure of 24.9 in. Hg into various units. This video provides clear steps to determine equivalents in millimeters of mercury atmospheres pounds per square inch and pascals. Understand the relationships and conversions between these common pressure units.
Connecting Volume & Moles: A Deep Look at Gas Stoichiometry & Ideal Ga
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understand gas stoichiometry by exploring the Ideal Gas Law, which integrates key laws like Gay-Lussac's, Charles's, Avogadro's, and Boyle's. Discover how this equation helps determine relationships between gas volumes and moles in reactions.
Disulfur Decafluoride Disproportionation & Sulfur Oxidation States
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video explains the disproportionation reaction of disulfur decafluoride at 150°C. It teaches you to write a balanced equation for this reaction and give the oxidation state of S in each compound.
Classifying Substances: From Pure Elements to Mixtures Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Classify substances into various categories: element compound homogeneous mixture and heterogeneous mixture. This video breaks down the fundamental distinctions between pure substances and mixtures illustrating with real-world examples like urine pure water a Snickers™ bar and soil. A concise guide for understanding the essence of material classification in chemistry.
Nickel(II) Nitrate Solution Composition Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this analysis, we determine the composition of a solution prepared by dissolving 12.15g of nickel(II) nitrate in 175mL of water (density 1.00 g/mL). The mass percent of nickel(II) nitrate is found to be approximately 6.50%, and the mole fraction of nickel(II) ions in the solution is calculated as 0.00672.
Electron Configurations: Zn Cu Zr & Fe Transition Metals Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel electron configurations for transition metals including zinc copper zirconium and iron. Understand how atomic number influences electron arrangement based on the Pauli exclusion principle Hund's rule and the Aufbau principle. Decode the configurations of each metal with clarity.