PreparED Study Materials
CHEM 101: Introduction to Chemistry
School: Brigham Young University
Number of Notes and Study Guides Available: 3
Notes
Videos
Calculating Water's Freezing Point at Various Concentrations: A Chemis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn how to compute the freezing point of water at various solution concentrations using the freezing point depression formula. Uncover the relationship between concentration and the lowered freezing points for four distinct solutions. Equip yourself with essential knowledge on the effects of solute concentration on water's freezing behavior.
Determining Ionizable H Atoms in Malonic Acid via Neutralization
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the process of determining ionizable hydrogen atoms in malonic acid using its molecular formula C3H4O4 and a neutralization reaction with Sodium hydroxide. Through methodical calculations involving the given mass of malonic acid and the required volume of Sodium hydroxide for neutralization we uncover that each molecule of malonic acid contains two ionizable H atoms.
Classify: (a) Mixture (b) Element (c) Mixture (d) Compound
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, we classify substances as elements, compounds, or mixtures, with air and soy sauce as mixtures, iron as an element, and table salt as a compound.
Identifying Incorrect Ground-State Electron Configurations and Providi
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the significance of electron configurations in understanding an atom's chemical behavior. It examines and corrects inaccuracies in the electron configurations of Aluminium (Al), Boron (B), and Fluorine (F). For instance, the electron configuration for Aluminium is initially presented with an incorrect number of electrons in the 2p subshell, stressing the importance of adhering to the rules of electron configuration for precise atomic representation.
Metric Conversions: cm to m, g to kg, cm to mm, mL to L
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Master metric unit conversions with step-by-step examples, including cm to meters, g to kilograms, cm to millimeters, and mL to liters.
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.