PreparED Study Materials
CHEM 7257: Chemical Principles I
School: Truman State University
Number of Notes and Study Guides Available: 0
Videos
Chromium Oxides: Acidity Comparison in Water
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Compare the acidity of chromium trioxide (CrO?) and chromium (II) oxide (CrO) in water. Chromium trioxide forms strong chromic acid increasing hydronium ions, while chromium (II) oxide has weaker oxidizing properties, resulting in a less acidic solution.
Structures & Classifications of C?H?? Alkyl Groups: From Primary to Te
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the diverse structures of C?H?? alkyl groups and classify them into primary, secondary, or tertiary categories. Through a visualization of carbon atom arrangements, uncover the nuances of n-pentyl, sec-pentyl, tert-pentyl, isopentyl, and neopentyl structures.
Moles of H in Samples: H?O, NH?, N?H?, C??H??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the number of moles of hydrogen in different chemical samples, including H?O, NH?, N?H?, and C??H??.
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Understanding Average Speed in Kinetic Molecular Theory
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
The kinetic molecular theory of gases describes the random motion and speed distribution of gas molecules in a container, and when considering various statements about the average speeds of these molecules, it's important to understand how they behave under different conditions.
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.















