PreparED Study Materials
Notes
Videos
Converting Pressure Units to Atmospheres: mmHg, bars, Torr, kPa
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this instructional video, we explore the conversion of various pressure units into atmospheres, covering mmHg, bars, Torr, and kPa. The process involves utilizing conversion factors to ensure accurate results for each unit. By the end, you'll have equivalent pressures in atmospheres for the given values, enhancing your understanding of pressure conversions.
Counting Atoms in Sulfur Dioxide: From Moles to Molecules
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn the method to determine the count of SO? molecules, sulfur, and oxygen atoms from a given amount of sulfur dioxide (SO?). Understand the application of Avogadro's number in translating moles to molecules. Grasp key concepts of atomic structure and counting with hands-on examples.
0.800g Match to SO?: Volume Calculation at 725 Torr & 32°C!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Detailed walkthrough of calculating sulfur dioxide gas volume produced from burning tetraphosphorus trisulfide. Utilizes stoichiometry and the Ideal Gas Law to derive results under specific conditions. Step-by-step guide for understanding chemical reactions and gas volume calculations
Decoding Electron Configurations: From Rubidium to Argon Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricacies of electron configurations around the atomic nucleus. Understand the ordered filling of energy levels in atoms like Rubidium, Germanium, and Argon. A deep look into the ground-state configurations of key elements.
Strong Base Comparison: H?S?, CH?O?, CH?OH, Cl?, CH?COO?, CH?CHClCOO
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the reactivity of different bases in this chemistry comparison. We'll analyze the strength of H?S?, CH?O?, CH?OH, Cl?, CH?COO?, and CH?CHClCOO? in various reactions.
Determining Neutrons from Atomic & Mass Numbers: A Comprehensive Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understand the relationship between atomic number, mass number, and neutrons within atoms. This video breaks down the simple calculation to determine the number of neutrons for specific elements like Nickel, Uranium, Scandium, and Argon.