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Obtain the melting point an boiling point for benzene and ammonia from a handbook technique and answer the following questions.
A) A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
B) What bath should be used for a reaction that is conducted in liquid ammonia as the solvent?
Determine the fraction of N2 molecules traveling between 500 and 600 m/sec at room temperature
A patient needs to take 375 mg of ibuprofen twice daily. The pills in the bottle are each 250. rm mg. How many pills does the patient need to take each time she wants the 375 mg dosage? Assume that these pills are scored and can be cut in half if ..
What must be the atomic mass of the metal M If A sample of the compound MSO 4 weighing 0.1131 g reacts with barium chloride and yields 0.2193 g BaSO4.?
Properties of Electrolyte Solutions, In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of -29 F was registered.
Draw the bondline structures of the isomers of this compound in the manner requested: Its diastereomer C, its optically active isomer D.
What is the molality of ethanol in a solution prepared by dissolving 5.00 mL of ethanol (C2H5OH, of density 0.800 grams/mL) in 25.0 mL of water (H2O, of density 1.000 grams/mL)?
Draw the structure of the product likely to be obtained from the reaction between acetoacetic ester, bromobenzen & 2 molor equivalents
how many moles O2 of are present? (The mole fraction of in dry air is 0.2095.) How many grams of C8H18 could be combusted by this quantity of O2
Electrolysis - Aluminium extraction, a. Aluminium is extracted from its ore by an electrolytic process. One extraction plant uses an applied e.m.f. of 5 V, and a current of 225 000 A. One tonne of aluminium is extracted after 14 hours.
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
a 4.50-g sample of CaO is reacted with 4.34 g of H2O. how many grams of water remains after completion of reaction?
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution
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