PreparED Study Materials
CHEM 112: CHEM 102
School: University of Illinois at Urbana - Champaign
Number of Notes and Study Guides Available: 1
Study Guides
Videos
BrF?, ClF?, & IF? Lewis Structures: Which Don't Obey Octet Rule?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the Lewis structures of BrF?, ClF?, and IF? and their relationship with the octet rule. Examine how fluorine bonds with bromine, chlorine, and iodine. Identify molecules that deviate from the standard octet distribution.
Tausonite's Unit Cell: Atoms & Formula Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the intricacies of solid-state chemistry, focusing on the unit cell structure of tausonite. Discover its empirical formula, atomic arrangement, and the unique coordination patterns of titanium and strontium with oxygen atoms.
From CH? to C?H?: Decoding Molecular Formula with Molar Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.
Identifying Redox Reactions & Agents: Four Chemistry Examples
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore oxidation and reduction processes across four chemical reactions differentiating between acid-base and redox activities. Highlighting key substances and their roles in each reaction.
Molecule Count in 0.334 g of C?H?: Ethane Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This instructional video guides you through the process of determining the number of molecules in a given sample. It illustrates the conversion from grams to moles using the molar mass of the substance and then to molecules using Avogadro's number, providing a practical example with ethane (C?H?) to calculate approximately 6.67 x 10²¹ molecules in a 0.334 g sample.
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.