PreparED Study Materials
CHEM 40391: (Honors) Accelerated General Chemistry Lab
School: University of St. Thomas
Number of Notes and Study Guides Available: 0
Videos
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.
Argon Isotopes: Protons, Neutrons & Electrons Breakdown
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the captivating branches of philosophy, understanding ethics as our moral guide, aesthetics as the interpreter of beauty, and logic as the foundation for clear reasoning. Delight in the insights these disciplines offer, enhancing our perspectives on life, art, and thought.
Chemical Formulas for Barium Hydroxide, Magnesium Sulfite, and More
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video discusses the process of writing chemical formulas for different compounds, providing details on the types and charges of ions involved in each compound's composition. The video concludes with the chemical formulas for barium hydroxide, magnesium sulfite, calcium carbonate, ammonium sulfate, and lithium hydrogen carbonate.
Ionic Character Comparison: Analyzing NaBr vs. HBr and BrCl vs. FCl
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the analysis of ionic character in compounds based on electronegativity differences. Learn about the contrasts between NaBr vs. HBr and BrCl vs. FCl. Grasp why NaBr and FCl showcase greater ionic character than their paired compounds.
Determining Mass Percent Concentration of Solutions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.
Hypothesis to Theory: The Evolution of Scientific Understanding
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Delve into the journey of scientific ideas as we discuss how a hypothesis can evolve into a theory, and whether a theory can ever become a law. Uncover the distinctions and connections between these fundamental elements of scientific understanding in this illuminating video.






