PreparED Study Materials
CH 111: Intro CHEM Principles >3
School: University of Oregon
Number of Notes and Study Guides Available: 2
Notes
Videos
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:
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?.
Validating & Correcting Chemical Equations: Ba(NO?)? to LiCl Reactions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Dive into the accuracy of four chemical reactions involving compounds like Barium Nitrate and Lithium Chloride. Discover which reactions yield precipitates which are correct and which need correction. A comprehensive review from Barium Sulfate formation to Lead Chloride precipitation
Protons reveal electron count in atoms. Which statement applies?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, we explore the information that knowledge of the number of protons in a neutral element's atom can provide. Options for determining neutron count, electron count, and identifying the element's name are examined, with a conclusion that it allows us to know both the number of electrons and the element's name.
Calculating Ksp for Ca3(PO4)2 at 25°C: Step-by-Step Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the concepts of 'Molar Solubility' and 'Solubility Product' to gauge salt solubility. Explore how Calcium Phosphate dissociates in solutions and calculate its unique Ksp value.
Balancing Equations: From Lead Sulfide to Ammonia Reactions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video shows you how to balance equations from the reaction of lead(II) sulfide with hydrochloric acid to ammonia's interaction with oxygen. Understand the nuances of atom balancing and grasp the precise stoichiometric relationships.
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.