PreparED Study Materials
CHEM 111: General Chemistry 1
School: Oakland University
Number of Notes and Study Guides Available: 3
Notes
Videos
Molecular Lewis Structures for CH?, CO?, H?Se, and NH?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, we demonstrate the creation of Lewis structures for methane, carbon dioxide, hydrogen selenide, and ammonia, highlighting the arrangement of atoms and bonds in each molecule. The video emphasizes the importance of Lewis structures in visualizing atomic bonding and the presence of lone electron pairs.
Kettle Scale Removal: Water Filling Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn a practical application of chemistry and mathematics in your daily life. Whether you're a tea or coffee enthusiast, this video offers valuable insights into scale removal and maintaining your kitchen appliances.
Endothermic Rxn: Ba(OH)2·8H2O & NH4NO3 Heat Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the endothermic reaction between Ba(OH)2·8H2O and NH4NO3 observing its impact on surroundings like the freezing water. Discover why touching the beaker feels cold and learn about heat transfer in such chemical reactions. This video is an insightful demonstration of heat absorption in chemical reactions.
Understanding Microwaves: Boiling Water's Time and Photon Count
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video breaks down the process of calculating the time and number of photons required to boil water in a microwave. Using given power, wavelength, and water specifics, we determine both energy needs and photon count.
Ether Structures: Ethyl to Dipentyl Varieties Drawn
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the chemical structures of four distinct ethers: ethyl propyl ether dibutyl ether methyl hexyl ether and dipentyl ether. Understand the role of ether groups which involve an oxygen atom connected to two alkyl or aryl groups.
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.