PreparED Study Materials
CHEM 118: Introductory Chemistry
School: University of Illinois
Number of Notes and Study Guides Available: 1
Notes
Videos
Molar Mass Calculation: Sr(OH)2 N2O3 NaClO3 Cr2O3 Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this chemistry tutorial learn how to calculate the molar mass of various compounds using atomic masses from the periodic table. Discover the molar mass for compounds such as Strontium Hydroxide Dinitrogen Trioxide Sodium Chlorate and Chromium(III) Oxide. A concise guide to understanding molar masses and their real-world applications.
Unveiling the Water-to-Salt Ratio in Barium Chloride Hydrate
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the process of determining the number of water molecules in a barium chloride hydrate. Through a reaction with sulfuric acid, the video highlights how to derive the formation of barium sulfate and its mass calculations. A comprehensive chemical analysis leads to finding the elusive 'x' value, revealing the water-to-salt ratio.
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:
full solution
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.
Double Assurance: Fidelity in Protein Synthesis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the Intricate Checks and Balances in Protein Synthesis Fidelity: Join us in this video to unravel the two critical moments when the accuracy of protein synthesis is assured, shedding light on the 'how' and 'when' of this essential process.
Copper Bombardment: Calculating X-ray Photon Energy
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We'll guide you through the process of calculating the energy associated with X-ray photons when the wavelength is 0.154 nm. This video offers a practical application of physics and helps you understand the energy spectrum of X-rays. Whether you're a science enthusiast or a student, you'll gain valuable insights into this intriguing topic.
Electron Configuration of Phosphorus: Decoding Atomic & Orbital Struct
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the intricacies of the electron configuration for phosphorus, from its atomic number to its orbital notation. Learn about unpaired electrons, energy levels, and the significance of inner-shell electrons. Understand how orbital structures define an element's properties.


















