PreparED Study Materials
CHEM 350: Quantitative Analysis
School: St. Cloud State University
Number of Notes and Study Guides Available: 2
Notes
Study Guides
Videos
Structures & Classifications of C?H?? Alkyl Groups: From Primary to Te
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the diverse structures of C?H?? alkyl groups and classify them into primary, secondary, or tertiary categories. Through a visualization of carbon atom arrangements, uncover the nuances of n-pentyl, sec-pentyl, tert-pentyl, isopentyl, and neopentyl structures.
Barium Chloride & Sodium Sulfate: Calculating BaSO? Yield
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Dive into the chemical reaction between Barium Chloride and Sodium Sulfate. Through step-by-step calculations, discover how to determine the resultant mass of Barium Sulfate. Conclude with a real-world example, highlighting the precise amount formed.
Homogeneous vs Heterogeneous Mixtures: Examples & Classification Expla
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the distinction between homogeneous and heterogeneous mixtures. Through real-world examples like baby oil, chocolate chip cookies, and wine, understand their uniformity, phases, and how components are distributed.
Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.
Determining Oil & Ball Bearing Density: Physics Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to determine the density of mineral oil and a metal ball bearing using a graduated cylinder. Learn the method of calculating the mass difference and volume to deduce the density and radius of the ball. Watch a detailed physics experiment explained step by step.
Conjugate Bases of Brønsted Acids: Formulas and Descriptions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the fundamental concept of conjugate bases in the context of the Brønsted-Lowry theory of acids and bases, explaining how when acids donate protons, they transform into their respective conjugate bases. This understanding is exemplified through the specific reactions of various compounds, illustrating how each Brønsted acid, upon proton donation, gives rise to its corresponding conjugate base.