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1. Write the mechanism for the polymerization of Styrene?
2. Write all of the resonance structures for m-bromonitrobenzene.
3. Write all of the resonance structures for o-bromonitrobenzene.
4. Draw a structure for the octahedral complex from the reaction of p-chlorobenzohydroxamic acid with ferric chloride.
5. Draw the structures for hydroxylamine hydrochloride and ammonium chloride.
6. Draw the structure for the enolate ion.
7. Why was the water solution of hexamethylene diamine poured into the sebacoyl chloride solution without mixing?
Neat, aliphatic, primary amines show two absorptions between 3400 to 3330 cm-1 and 3330 to 3250 cm-1 due respectively to asymmetrical and symmetrical stretch. Stretch at 3300 cm-1. Why do tertiary amines not absorb in this region of the spectrum?
Compare lattice energies of LiI and PbI2 and calculate the formation enthalpy in each case by constructing a Born-Haber cycle. Which one is more ionic? Comment.
if solubility of a particular solute is 10g100g h2o at 20 degrees c which of the following solution concentrations
What wavelength radiation (nm) must be used to eject electrons from chromium metal with a velocity of 1.50 x 10^6 m/s? The ionization energu of chromium metal is 7.00 x 10^-19 J
Write down a balanced chemical equation for polymerization of a w-hydroxy carboxylic acid (HORCO2H)
One mole of a monatomic ideal has at a temp of 500K and 6atm pressure is subjected to the following changes: (all are reversible changes)
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
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?
Calculate the number of moles of KOH in 9.10mL of a 0.140M KOH solution? What is the pOH of the solution at 25 C
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than..
A sample of gas confined in a 2.0L container at 930 Torr and 25oC was heated to 45oC. What was the final pressure?
A chemistry student needs 60.00 mL of chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48 g x cm^-3.
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