PreparED Study Materials
CHEM 161: Principles of Chemistry Laboratory II
School: University of North Dakota
Number of Notes and Study Guides Available: 1
Notes
Videos
Intermolecular Forces: Comparing Properties of Key Chemical Compounds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the effects of intermolecular forces on the boiling point, freezing point, and vapor pressure of various compounds. Learn how hydrogen bonding, ionic bonding, and London dispersion forces influence these properties in different groups of molecules.
Unraveling Hydrocarbon Structures: Decoding Degrees of Unsaturation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the concept of the degree of unsaturation in hydrocarbons. Understand its importance in revealing double bonds, triple bonds, or rings. Learn through examples like limonene, squalene, and lycopene.
Conjugate Bases of Brønsted Acids: Formulas and Descriptions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the fundamental concept of conjugate bases in the context of the Brønsted-Lowry theory of acids and bases, explaining how when acids donate protons, they transform into their respective conjugate bases. This understanding is exemplified through the specific reactions of various compounds, illustrating how each Brønsted acid, upon proton donation, gives rise to its corresponding conjugate base.
KOH Volume Needed to Neutralize H?SO? Samples
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the precise KOH volumes to neutralize H?SO? samples with various concentrations. Learn about the acid-base reaction dynamics and stoichiometry.
Determining Bond Types: Ionic, Polar Covalent, or Covalent in Chemical
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This discussion revolves around the classification of chemical bonds as ionic, polar covalent, or covalent based on the electronegativity difference between the atoms involved. The general criteria for this classification are explained: a difference greater than 1.7 indicates an ionic bond, between 0.5 and 1.7 signifies a polar covalent bond, and less than 0.5 designates a covalent bond. It then applies these criteria to four specific examples, including the CC bond in ethane (H?CCH?), the KI bo
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.