PreparED Study Materials
CHM 18389: Introductory Chemistry
School: Grand Valley State University
Number of Notes and Study Guides Available: 0
Videos
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Comparing Viscosity: Why C5H11OH is 12x Thicker than C6H14 at 20°C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing contrast between Pentanol and Hexane's viscosity at 20 degrees Celsius. Uncover how molecular interactions influence a liquid's 'thickness' and discover why similar molecular weights can lead to vastly different substance properties
The steps in the electron transport chain from NADH to oxygen
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
The electron transport chain (ETC) is a critical process in cellular respiration and photosynthesis, involving the transfer of electrons and protons through a series of protein complexes and molecules to create an electrochemical gradient, ultimately producing ATP with molecular oxygen as the final electron acceptor.
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:
full solution
Explore the power of chemical names and symbols in deciphering copper compound formation at each step of the copper cycle, with an illustrative example.
Calculating Density: Rectangular Metal Bar & Significance
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the process of determining the density of a rectangular metal bar using its measurements. Understand how volume and mass play a crucial role in the calculation, and the importance of representing results with the correct number of significant figures
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:
full solution
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.


















