PreparED Study Materials
CHEM 199: 1YSem:Water, Water, Everywhere Seminar
School: Bridgewater State University
Number of Notes and Study Guides Available: 7
Notes
Videos
Producing Ammonium Sulfate: Calculating the Required Ammonia
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Discover the process to determine the quantity of ammonia (NH?) required to produce a specific amount of ammonium sulfate ((NH?)?SO?). Through a step-by-step explanation, learn the application of the balanced chemical equation and molar mass conversions. Transform theoretical chemistry into practical knowledge with this insightful guide.
Weight% of Ba, K, Cl in Heated BaCl2·2H2O & KCl Mix
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In this video we explore the process of calculating the weight percent of barium potassium and chlorine in a mixed sample of barium chloride dihydrate and potassium chloride. Through a step-by-step approach we examine the changes in sample weight after heating to 160°C breaking down the calculations for each elemental content.
SN2 Rate: Doubling NaOH & 1-Bromopropane Effects
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"Explore how altering concentrations and volume impacts the rate of an SN2 reaction between 1-bromopropane and sodium hydroxide. Learn the rate equation that describes this reaction and see real examples of how rate changes with concentration and volume adjustments
Why geometric isomerism is not possible in alkynes
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This video provides insights into the concept of geometric isomerism in organic chemistry and explains why alkynes, which contain carbon-carbon triple bonds and adopt a linear structure, cannot exhibit this form of isomerism, unlike alkenes with double bonds that restrict rotation.
Do Rusting and Burning Violate Conservation of Mass?
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This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.
Classify: (a) Mixture (b) Element (c) Mixture (d) Compound
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In this video, we classify substances as elements, compounds, or mixtures, with air and soy sauce as mixtures, iron as an element, and table salt as a compound.








