PreparED Study Materials
CHEM 285: Intro Bio-Organic Chemistry
School: Brigham Young University
Number of Notes and Study Guides Available: 44
Notes
Study Guides

Chemistry 285 exam 2 study guide (Chemistry)
CHEM 285
Brigham Young University
6 pages | Summer 2015
Videos
Converting Moles to Grams: Aluminum & Chlorine Atomic Mass Breakdown
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"Explore the intricate world of atomic masses using aluminum and chlorine as examples. Understand the concept of 'mole' and its relevance in chemistry. Learn to calculate masses of moles for elements based on atomic weights.
Calculating Water's Final Temp after a 345 kJ Heat Boost
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Discover how to determine the final temperature of a water sample after heat absorption. Utilizing the concept of specific heat capacity and the formula q = mc?T, we calculate the change in temperature and reveal its new state. Experience the transformation from an initial tepid state to a drastically altered thermal condition.
Reaction Unveiled: From Nitrogen Dioxide & Hydrogen to Ammonia & Water
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Explore the intriguing reaction of gaseous Nitrogen Dioxide and Hydrogen, resulting in the formation of Ammonia and Water. Grasp the significance of balanced chemical equations in respecting the law of conservation of mass. Dive into the properties and characteristics of each involved compound.
Validating & Correcting Chemical Equations: Ba(NO?)? to LiCl Reactions
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Dive into the accuracy of four chemical reactions involving compounds like Barium Nitrate and Lithium Chloride. Discover which reactions yield precipitates which are correct and which need correction. A comprehensive review from Barium Sulfate formation to Lead Chloride precipitation
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.
Theoretical Yield of TiCl? for Various Reactant Quantities
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Explore how to calculate the theoretical yield of TiCl? in moles based on different initial quantities of reactants in the chemical equation Ti + 2 Cl? ? TiCl?.




























































