PreparED Study Materials
CHEM 111: General Chemistry
School: University of South Carolina
Number of Notes and Study Guides Available: 3
Notes
Videos
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.
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?.
Understanding Average Speed in Kinetic Molecular Theory
Want To Learn More? To watch the entire video and ALL of the videos in the series:
The kinetic molecular theory of gases describes the random motion and speed distribution of gas molecules in a container, and when considering various statements about the average speeds of these molecules, it's important to understand how they behave under different conditions.
The steps in the electron transport chain from NADH to oxygen
Want To Learn More? To watch the entire video and ALL of the videos in the series:
The electron transport chain (ETC) is a critical process in cellular respiration and photosynthesis, involving the transfer of electrons and protons through a series of protein complexes and molecules to create an electrochemical gradient, ultimately producing ATP with molecular oxygen as the final electron acceptor.
Vaporization vs. Condensation: Heat Dynamics in Phase Transitions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the science behind endothermic and exothermic processes by studying vaporization and condensation. Grasp the molecular changes involved and understand the role of heat in these transformations. A comprehensive look into why vaporization requires heat, while condensation releases it.
Mole Count in Elemental Samples (Zn, Ar, Ta, Li)
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video outlines the process of calculating the number of moles in various elemental samples. It begins by explaining the relationship between molar mass and atomic weight. Each sample's mass is divided by the respective element's molar mass to find the number of moles. It provides detailed calculations for four elemental samples: zinc (Zn), argon (Ar), tantalum (Ta), and lithium (Li), converting results to scientific notation where necessary. The script demonstrates how to determine the mole