PreparED Study Materials
CHM 2280: Analytical Chemistry
School: Wayne State University
Number of Notes and Study Guides Available: 2
Notes
Study Guides
Videos
Ethane Hydrazine or Fluoromethane: Which is Liquid at Room Temp?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the states of ethane hydrazine and fluoromethane at room temperature by understanding intermolecular forces. Learn about nonpolar molecules dipole-dipole interactions and the powerful influence of hydrogen bonding. Discover why hydrazine stands out as most likely to be a liquid in everyday conditions.
Volume Calculation for Acetone, Olive Oil, and Chloroform
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, the presenter demonstrates the process of calculating the volume of 125g for three different liquids—Acetone, Olive oil, and Chloroform—using the formula "Volume = Mass / Density," providing step-by-step solutions for each liquid, ultimately revealing their respective volumes. This instructional video guides viewers through the calculations and showcases the outcome for each liquid's volume.
The Wobble Concept: Explaining Codon Variability in Amino Acid Encodin
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Join us as we delve into the intriguing world of genetic coding and discover how the concept of wobble accounts for variations in codons encoding a single amino acid.
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.
Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.
Producing Ammonium Sulfate: Calculating the Required Ammonia
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process to determine the quantity of ammonia (NH?) required to produce a specific amount of ammonium sulfate ((NH?)?SO?). Through a step-by-step explanation, learn the application of the balanced chemical equation and molar mass conversions. Transform theoretical chemistry into practical knowledge with this insightful guide.