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The reaction proceeds via successively faster halogenations at the -position until the 3 H have been replaced. Explain why the first halogenation is the slowest one.
Draw the structure of ninhydrin and of the colored product when it (ninhydrin) reacts with amino acids (search the internet)
Which protein elutes first from a diethylaminoethyl cellulose ion exchange column with a decreasing pH gradient
Calculate partition coefficient of caffeine between water and each of two organic solvents. (c) Can you use diethyl ether to extract caffeine from water? Why/why not.
Sketch a line bond structure for hydrogen phosphide and designate the formal charges where applicable.
A volume of 275 mL of a solution of potassium hydroxide at 0.14 M is added to a sample of 3.00 x 102 mL of a solution of aluminium chloride at 0.11 M.
The Haber process is very important for agriculture because it converts N2 (g) from the atmosphere into bound nitrogen which can be taken up and used by plants. The reaction is N2 + H2->NH3
determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water according to the
Write and balance the equation for the reduction of iodate by hydrogen sulfite ions to give iodide and sulfate in basic
How many milliliters of 0.105 M HCl are needed to titrate 50.0 mL of a solution that contains 1.25 g of NaOH per liter?
How much limestone must be decomposed by heating to produce 150.0 grams of lime, CaO?assuming that the limestone contains 85.0% pure CaCO3.
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
if in a certain experiment over a specific time period 0.0027 mol ph3 is consumed in a 1.8-l container each second of
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