PreparED Study Materials
CHM 10890: Introductory Chemistry
School: Grand Valley State University
Number of Notes and Study Guides Available: 0
Videos
Density Explained: Calculating the Density of an Osmium Cube
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this tutorial, we break down the principle of density, illustrating it as a measure of mass per unit volume. Using an osmium cube as a practical example, we walk viewers through the steps of computing its density, demonstrating the interplay between mass, volume, and particle arrangement.
Decoding Ions: Al³?, S²?, I?, Ag? & Their Electron-Proton Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Break down the mysteries of ions like Al³?, S²?, I?, and Ag?. Discover how the electron count impacts ion charge by exploring Aluminium, Sulfur, Iodine, and Silver. Enhance your understanding of protons, electrons, and their relationship in ions.
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:
full solution
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.
Reaction Rate Impact: Ethanol, Tert-Butyl Bromide & Temp
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of reaction rates with varying concentrations of ethanol and tert-butyl bromide. Understand the principles of SN1 reactions and the impacts of temperature on rate acceleration. Grasp the core elements that influence and optimize chemical reactions in diverse applications.
Calculating Percent Composition: Using Molecular Formulas & Atomic Mas
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Understand the process of calculating percent composition using the molecular formula. Grasp the methodology with compounds like C2H4O2, CH2O2, and more. Discover how atomic masses influence the mass percent of elements in various compounds.
Hypothesis to Theory: The Evolution of Scientific Understanding
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Delve into the journey of scientific ideas as we discuss how a hypothesis can evolve into a theory, and whether a theory can ever become a law. Uncover the distinctions and connections between these fundamental elements of scientific understanding in this illuminating video.


















