PreparED Study Materials
BIOL CH 14: Chemistry
School: University of California - Los Angeles
Number of Notes and Study Guides Available: 1
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.
Synthesis, Decomposition Reactions, and Oxidation-Reduction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
We explore synthesis and decomposition reactions, showcasing examples like the formation of water and its breakdown into simpler substances. We also clarify that while many of these reactions are redox reactions involving electron transfer, some synthesis and decomposition reactions may not necessarily be redox reactions, as seen in specific examples.
Do Rusting and Burning Violate Conservation of Mass?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.
Animal and Plant Energy Storage: Fats and Oils Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.
Iron Nail Heating: Finding Temperature After 15J Transfer
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process of determining the final temperature of an iron nail after heat absorption. Using the specific heat capacity of iron and the heat transfer formula, we calculate the temperature increase and reveal the nail's new thermal state. This tutorial offers a clear understanding of how materials respond to heat.
Utilizing Chemical Names and Symbols in Copper Cycle Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the power of chemical names and symbols in deciphering copper compound formation at each step of the copper cycle, with an illustrative example.