CHEM 141: General Chemistry 1

School: Stetson University

Number of Notes and Study Guides Available: 0

Videos

Quantitative vs Non-Quantitative: Precision in Scientific Observations

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Unpack the difference between quantitative and non-quantitative observations. Examples include a person's weight on the Moon and the depth a hand pump can reach. Learn why precise measurements are crucial in scientific studies.

Physical vs Chemical Changes: Understanding Reactions & Transformation

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Discover the differences between physical and chemical changes using common examples. Understand how sugar reacts in various scenarios, and how metals undergo changes, either maintaining their substance or forming new compounds.

Differential DNA Damage Responses in Prokaryotes and Eukaryotes

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Explore unique strategies employed by prokaryotes and discover if they possess exclusive mechanisms for handling extreme DNA damage that elude eukaryotes."

Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?

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This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.

Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH

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Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.

Atomic Radius Trends: Unveiling Periodic Table Secrets

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Discover the intricacies of atomic radius and its trends on the periodic table in this video. Unravel the factors influencing atomic size and explore how elements' positions on the periodic table affect their atomic radii.