PreparED Study Materials
CHEM 71400: CHEM 131l - General Chemistry Lab
School: James Madison University
Number of Notes and Study Guides Available: 0
Videos
Understanding Chlorine's Oxidation States in Complex Ions: A Step-by-S
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore how to determine the oxidation states of Chlorine in various ions using fundamental rules in chemistry. Learn the importance of oxidation numbers in understanding chemical reactions and the art of balancing chemical equations.
Understanding Boiling Points: Ethylene Glycol, Alcohols & Ethers Expla
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video offers insights into the properties and boiling points of different alcohols and ethers, including antifreeze agents like ethylene glycol. We also discuss how molecular structures and interactions impact boiling points, shedding light on key differences among related compounds.
Counting Atoms in Sulfur Dioxide: From Moles to Molecules
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the method to determine the count of SO? molecules, sulfur, and oxygen atoms from a given amount of sulfur dioxide (SO?). Understand the application of Avogadro's number in translating moles to molecules. Grasp key concepts of atomic structure and counting with hands-on examples.
Reaction Unveiled: From Nitrogen Dioxide & Hydrogen to Ammonia & Water
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing reaction of gaseous Nitrogen Dioxide and Hydrogen, resulting in the formation of Ammonia and Water. Grasp the significance of balanced chemical equations in respecting the law of conservation of mass. Dive into the properties and characteristics of each involved compound.
Endothermic vs. Exothermic: Unraveling Heat Changes in Chemical Reacti
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of endothermic and exothermic reactions through everyday examples. Delve into the energy dynamics of ice melting and water freezing, while emphasizing the importance of the heat change (?H) in these processes.
Chemical Combo: How N2 and F2 Produce Nitrogen Trifluoride Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the chemical combination of nitrogen and fluorine to produce nitrogen trifluoride. Learn how to determine the limiting reactant and calculate the theoretical yield using stoichiometry principles.



















