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question- imagine a meta-xylene with -no2 and -nh2 groups attached as substiuents to its benzene ring in place of an h
question- a molecule with a chiral center must be optically active wheras a molecule with two chiral centers may or may
question- match the pair of elements that appear in the first column with the general expected formula that appears in
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question- a determine the molality for a solution of 125 m kcl aq assume the density of the potassium chloride solution
question- until 200 yr ago manufactured iron contained charcoal produced from freshly cut wood that was added during
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question- concerning the applicability of the titration method comment on if and how you could use it to determine ksp
question- describe how you could make 1l of a 01m potassium phosphate buffer at ph7 the reagents available to you are
question- a circuit has two bulbs connected in series bulb a has a pd of 12v bulb b has a pd of 17v a 22ohm resistor is
question- a mixture of propane and butane is fed into a furnace where it is mixed with air the furnace exhaust leaves
question- explain the role of sodium bisulfite in the procedure for a phtalic acid from an unknow xylene reactionplease
question- a particular water sample has 131 ppm of caso4 131 g caso4 per 106 g water if this water is boiled in a
question- when the following redox reaction is balanced and the coefficients are reduced to their lowest whole-number
question- some suggest that the piltdown man episode points to the scientific method at its worst and its best what do
question- a 5050 blend of engine coolant and water by volume is usually used in an automobiles engine cooling system if
question- the molecule ab dissolves in water with ksp10-12 how many moles of ab will dissolve in five liters of
normal 0 false false false en-us x-none x-none
question- there are several functional groups that have different names in biochemistry circles select the organic name
question- one of the buffers to maintain the ph of blood uses phosphoric acid h3po4 buffer phosphoric acid is triprotic
question- a buffer with a ph of 411 contains 029 m of sodium benzoate and 036 m of benzoic acid what is the
question- a buffered solution containing dissolved aniline c6h5nh2 and aniline hydrochloride c6h5nh3cl has a ph of 545a
question- why does atp molecule have such great energy which when released by the hydrolysis of a phosphate give off
question- what is the ph at the equivalence point in the tritation of 100ml of 010m hcn and 010m naoh the ka of hcn is