PreparED Study Materials
CHEM 131: General Chemistry I
School: Towson University
Number of Notes and Study Guides Available: 31
Notes
Study Guides
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:
full solution
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.
Physical vs. Chemical: Chlorine Reactions & Magnetism
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.
Decoding Electron Configurations: From Rubidium to Argon Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of electron configurations around the atomic nucleus. Understand the ordered filling of energy levels in atoms like Rubidium, Germanium, and Argon. A deep look into the ground-state configurations of key elements.
Shapes & Forces: How Molecule Structure Affects Bonds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unveil the correlation between molecular shapes and their respective intermolecular forces. Delve into the specifics of nitrogen trichloride, ammonia, silane, and carbon tetrachloride, highlighting their unique force interactions based on polarity.
Electrons in outer shell of: Potassium, Calcium, Aluminum
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explains the importance of the number of valence electrons in an element's chemical behavior and demonstrates how to determine the valence electrons for potassium, calcium, and aluminum based on their positions in the periodic table. Valence electrons dictate an element's reactivity with other elements, making this knowledge essential for understanding chemical reactions.
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:
full solution
Master metric unit conversions with step-by-step examples, including cm to meters, g to kilograms, cm to millimeters, and mL to liters.








































