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problem- consider the following elementary reaction no2g no2g n2o4gthe rate constant k 0044 m1s1is knowna what is
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problem- if we wanted to prepare a buffer with boric acid and borate that had a final ph of 850 with a formal
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problem- part 1- consider a 10 l buffer prepared with formal concentrations hcoona 0350 moll and hcooh 0550 moll if
problem- a 500 gram sample of iron was dissolved in acid to produce a solution containing fe2 the solution was then
problem- in the ms of any molecule containing the trityl group there is a recurrent intense peak with mz 243 what is
problem- 400 ml of a 200 x 10-2 m solution of nascn is diluted to 100 ml of solution what is the molarity of scn in the
problem- a solution is prepared from 45709g of magnesium chloride and 43246g of water the vapor pressure of water above
problem- an aqueous solution containing 155g of an unknown molecular nonelectrolyte compound in 1040g of water was
problem- calculate the ratio of the masses of the buffer components required to make the buffer a buffer with ph 900
problem- preparation of and alpha beta-unsaturated ketone via michael and aldol condensation
problem- calculate the ph of the solution that results from each mixture 1600 ml of 027 m hf with 2300 ml of 030 m naf
problem- part 1 what mass of salt nacl should you add to 196l of water in an ice cream maker to make a solution that
problem- write out complete mechanisms including the transition states for the e2 reaction of hydroxide ion and 2-
problem- 8 350 ml of water at 182 degrees celcius is added to 244 ml of mercury at 35 degrees celcius what is the final
problem- the indicator methyl orange has a pka of about 35 its acid form is red its basic form is yellow what color is