PreparED Study Materials

CHEM 442: Environmental Chemistry Laboratory

School: Catholic University of America

Number of Notes and Study Guides Available: 2

Notes

Videos

Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.

Determining Neutrons from Atomic & Mass Numbers: A Comprehensive Guide
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Understand the relationship between atomic number, mass number, and neutrons within atoms. This video breaks down the simple calculation to determine the number of neutrons for specific elements like Nickel, Uranium, Scandium, and Argon.

Deriving the Perfect Gas Equation from Gas Laws
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Learn how the ideal gas equation is derived from Boyle's law, Charles’ law, and Avogadro's principle, unraveling the fundamentals of gas behavior.

Physical vs. Chemical: Chlorine Reactions & Magnetism
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.

Acid Strength Comparison: Isomers and Proton Removal Explained
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.

Glassware Drying with Acetone: The Science Behind It
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

This discussion delves into the use of acetone as a solvent for removing water from laboratory glassware, exploring the science behind its effectiveness and the role of hydrogen bonding in facilitating rapid evaporation.

Textbook Solutions (0)

Top Selling Study Tools

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back