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you start with a 2354 g sample of a mixture containing sio nacl and nh cl if after subliming away the nh cl you have
if eethanol and eoctane are the energies per gram of fuel produced by ethanol and octane respectively calculations show
predict the order of elution of a mixture of triphenylmethanol biphenyl benzoic acid and methyl benzoate from an
calculate the mass in grams of hydrogen chloride produced when 45 l of molecular hydrogen measured at stp react with an
a bicycle pump has a barrel that is 75 cm long about 30 in if air is drawn into the pump at a pressure of 097 atm
draw all stereoisomers of 2-bromo-4-methylpentane use bold and hashed wedges to indicate the
a the atmospheric pressure at the summit of mt mckinley is 6 x 102 mmhg on a certain day what is the pressure in atm
a solution contains 0750 m ha ka 10 x 10-6 and 0250 m naa what is the ph after 0100 mole of hcl is added to 100 l of
draw the skeletal structure of 2r3r-dibromosuccinic acid 2r3r-23-dibromobutanedioic acid show one wedge bond one dashed
draw the skeletal structure of meso-23-dibromosuccinic acid meso-23-dibromobutanedioc acid show one wedge bond one
to a solution containing both acetic acid and sodium acetate hcl is added beside hydroxide ions which species will
a 0879-g sample of a cacl2x2h2ok2c2o4xh2o solid salt mixture is dissolved in 150 ml of deionized water previously
a 325g cube of aluminum initially at 458c is submerged into 1053g of water at 154c what is the final temperature of
1 the reaction of a mixture of co and h2 is predicted to produce 523g of ch3oh if only 372g ch3oh is actually produced
what is the frequency of light whose wavelength is 288nm can some one please explain how you get 1015 for
write a flow chart to show how you could separate a mixture ofthe following compounds by using acid-base extraction all
calculate the frequency of the light emitted by hydrogen atom during transition of its electron from n6 to the n3
chlorination of alkanes can produce a multitude of products determine the number of monochlorinated and dichlorinated
compare the rate of effusion of nh3 with that of n2 at the same temperature and pressure compare the time required for
find the total number of atoms in a sample of cocaine hydrochloride c17h22clno4 of mass 240
ammonia is kept in a cylinder with a movable piston at 25 degrees celsius and 250 atm pressure what is the pressure in
the acid-dissociation constant for chlorous acid hclo2 is 11x10-2 calculate the concentrations of h3o clo2- and hclo2
if you collect hydrogen over water at 767 torr total pressure and 223 degrees celcius what is the partial pressure of
a closed container contains 00300 mol of ar g and a sample of the solid ammonium bromide nh4br assume that the volumes