PreparED Study Materials
CHEM 1025: Introduction to Chemistry
School: Hillsborough Community College
Number of Notes and Study Guides Available: 2
Notes
Videos
What makes bubbles when water boils?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
When water boils, bubbles rise to the surface, but what's in these bubbles? Let's evaluate the options. Option d, water vapor, is correct; the bubbles during boiling are primarily composed of water vapor, the gaseous state of water.
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:
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.
Orthorhombic Unit Cell: Decoding Nickel Sulfate's Crystal Density
Want To Learn More? To watch the entire video and ALL of the videos in the series:
The video offers an insightful look into the orthorhombic unit cell, a unique crystal lattice structure. By exploring nickel sulfate's unit cell and its specific dimensions, we determine both the number of formula units and the density of this crystalline structure.
Comparing O-O Bond Lengths: Hydrogen Peroxide vs. Oxygen Molecule
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricacies of hydrogen peroxide's Lewis structure and its bond characteristics. Understand the differences in bond lengths between H?O? and O?. Delve into the distinction between single and double bonds and their implications.
The original sulfur quantity (tons) for 26M tons SO?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the environmental impact of sulfur dioxide production, revealing how 26 million tons of this compound conceal 13 million tons of sulfur. It delves into the chemistry of this transformation, converting atomic and molecular masses, providing valuable insights into emissions from activities like burning coal and auto exhaust."