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Two m = 0.6-kg masses are located at either end of a L = 1.5-m long, very light and rigid rod as in the diagram. What is the rotational inertia of this system about an axis through the center of the rod?
Briefly explain why caffeine will prefer the methylene chloride solvent to the water solvent? draw the structure for all 3 compounds?
Using methyl iodide with amines such as triethylamine, ethyldiisopropylamine, describe how the nucleophilicity of the amine affects the rate of an Sn2 reactions Use specific chemical examples to support the conclusion
Explain what is the final temperature of the block after the evaporation of the alcohol. Presume that the heat required for the vaporization of the alcohol comes merely from the aluminum block as well as that the alcohol vaporizes at 25.
How many mL of a 9 % stock solution of a chemical are needed to prepare 113 mL of a solution containing 15 mg of the chemical per mL
calcium oxide quicklime reacts with water to produce calcium hydroxide slaked lime.caos h2ol rarr caoh2s deltah -65.2
Determine the number of vacancies per cm3 in gold at 900?C, given a vacancy formation energy of 0.98 eV/atom and an Arrhenius pre-exponential factor of one
Two methods for determining Hg in coal fly ash using atomic absorption were used to see if both methods would give the same results. In the first method only HNO3 is used for digestion,
Solid phosphorus pentabromide, PBr5, has been shown to have the ionic structure [PBr4+][Br? ]. Write the electron-dot formula of the PBr4+ cation
In the chemical reaction described by the balanced chemical equation shown below which element is oxidized and which is reduced
Problem- If 26.00g of calcium hydrogen carbonate react with 430.0ml of 0.742M nitric acid, what volume of carbon dioxide is produced ar 742torr and 12°C?
containing granite basins tend to become acidified by acid rain more readily than lakes lying in calcium carbonate, CaCO3, limestone basins. Explain why?
The purpose of the lab was to synthesize the acetaminophen from p-aminophenol and acetic anhydride by using synthesis of acetaminophen, recrystallization of the acetaminophen and TLC of the acetaminophen sample.
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