PreparED Study Materials
CH 222: Organic Chemistry 1 Lab
School: North Carolina State University
Number of Notes and Study Guides Available: 2
Notes
Videos
Calculating Ksp for Ca3(PO4)2 at 25°C: Step-by-Step Guide
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Unravel the concepts of 'Molar Solubility' and 'Solubility Product' to gauge salt solubility. Explore how Calcium Phosphate dissociates in solutions and calculate its unique Ksp value.
Analyzing Molecular Structure Levels in DNA, tRNA, and mRNA
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This video explores the concept of structural levels (primary, secondary, tertiary, and quaternary) in biomolecules, focusing on double-stranded DNA, tRNA, and mRNA to understand the diverse ways these molecules exhibit these structural layers.
Rutherford's Gold Foil: The Pivot to the Modern Nuclear Atom Model
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Discover Rutherford's pivotal Gold Foil Experiment and its impact on atomic theory. Unveil the discrepancies with the Plum Pudding Model. Grasp the birth of the nuclear atom model through unexpected alpha particle deflections.
Endothermic Rxn: Ba(OH)2·8H2O & NH4NO3 Heat Dynamics
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Explore the endothermic reaction between Ba(OH)2·8H2O and NH4NO3 observing its impact on surroundings like the freezing water. Discover why touching the beaker feels cold and learn about heat transfer in such chemical reactions. This video is an insightful demonstration of heat absorption in chemical reactions.
Why Fluorine Can't Form FH? or FCl?: Unpacking VSEPR Theory & Electron
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Explore why fluorine, with its seven valence electrons, doesn't form compounds like FH? or FCl?. Understand the role of VSEPR theory, atomic size, and electronegativity in limiting bond formation. Grasp the interplay of geometric challenges and electron repulsion in compound stability.
Positron Emission Nuclear Equations: Co-55, Na-22, F-18
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Learn how to write nuclear equations for positron emission with Co-55, Na-22, and F-18. Explore the fascinating world of nuclear reactions.





















