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problem- considering the 13c nmr spectras for o-nitrophenol and p-nitrophenol please label each peak in decreasing
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problem- when acetaldehyde is reacted is reacted with 3 equivalents of formaldehyde under alkaline condition followed
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problem- the density of toluene c7h8 is 0867gml and the density of thiophene c4h4s is 1065 gml a solution is made by
problem- if the specific gravity of a sample of organic liquid is 0878 what would be the volume of 254 kg of the sample
problem- 50 ml of a 002m pbno32 solution are mixed with 50 ml of a 004m kcl solution will a precipitate form why or why
problem- cds is dissolved in water until the solution is saturated ksp for cds is 9 x 10-26 at 25 celsius calculate the
problem- use either of the temperature rate constant pairs given in problem 21 along with the activation energy you
problem- a sample of oxygen gas that contains onehalf of avogadros number of molecules has a mass ofanswer showing how
problem- alkynes have the general molecular formula cnh2n-2 thus when n 2 the alkyne is c2h2 etc if an alkyne has a
problem- convert 96 kgl to lbcm3 show unit cancellation and express your answer in scientific notationi need proficient
problem- an independent experiment showed that the molecular weight of isopropyl alcohol is approximately 62 the
problem- the united states has the unit of currency dollars unit symbol a proper expression of the value seventy seven
problem- how many moles of copper are there in 128 grams of copper for copper 1 mole 63546 gramsi need proficient help
problem- about 42 of the 226 x 109 acres of us land is used for crops and livestock how many acres of land are for
problem- air is 21 oxygen 78 nitrogen and 1 other gases what is the minimum volume of air in liters needed to extract
problem- the ka of a monoprotic weak acid is 381 x 10-3 what is the percent ionization of a 0152 m solution of this
problem- a current of 400 a is passed through a nino32 solution how long in hours would this current have to be applied
problem- the following substances dissolve when added to water classify the substances according to the strongest
problem- complete the following structural formula for a neutral molecule by adding h atoms to complete the valence of