CHEM 2090: Engineering General Chemistry

School: Cornell University

Number of Notes and Study Guides Available: 0

Videos

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Precipitation Reactions Explained: From Solution to Solid Formation

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Unravel the chemistry behind precipitation reactions and the creation of insoluble salts. Learn how aqueous ions interact to form solid precipitates, illustrated with examples like silver nitrate and sodium chloride. Understand their significance in fields from water treatment to qualitative analysis.

Determining the Equilibrium Constant: Initial & Final Concentrations

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Explore the method to determine the equilibrium constant for a reaction between iron III ions and thiocyanate ions. Learn to deduce equilibrium concentrations from initial values and reaction stoichiometry. Grasp the importance of the equilibrium constant value of 325.1 in assessing the reaction's favorability.

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.

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.