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what volume of 0382 m naoh is needed to reach the equivalence point in the titration of 249 ml of 00390 m chlorous acid
04647g sample of a compound known to contain only carbon hydrogen and oxygen was burned to yield 08635g of co2 and
when you lower the ph of a solution containing aqueous sodium benzoate a precipitate eventually forms a what will
the density of benzene at 250 degrees c is 0879gcm3 what is the volume in liters of 25 kg
an automobile gasoline tank holds 21 of gasoline when the gasoline burns 82 of oxygen is consumed and carbon dioxide
imagine two solutions with the same concentration and same boiling point but one has benzene as the solvent and the
a 670-g piece of gold at 725k is dropped into 165 g of h2ol at 298k in an insulated container at 1 bar pressure
in chemistry 1500 ml of naoh is obtained from a dispensette before titrating with 02500m hcl the initial volume of acid
a scientist wants to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiment how many grams of
a 50 koh solution d 152 gml is made by adding 50 grams of koh and enough water until the weight of the solution is 100
the following solutions are mixed together1210 ml of 154 m agno3 and 450 ml of 129 m k2so4 calculate the molar
combustion analysis of naphthalene a hydrocarbon used in mothballs produced 880 co2 and 144 h2o calculate the empiracle
a cube of an unknown metal measures 161 mm on one side the mass of the cube is
draw both staggered and eclipsed conformations of ethane as newman projections and as dash-and-wedge drawings second
calculate the amount of water per gram of compound required to steam distill nitrobenzene mw 12311 which has an
what two things can you say about a water-toluene mixture that cannot be said about the boiling point and other
sulfuric acid h2so4 adds to the double bond of alkenes as h and -oso3h predict the products when sulfuric acid reacts
which of the bonds that maintain the conformation of proteins are most sensitive to disruption by high concentration of
in an aqueous environment will the peptide fragment leu-ala-gly-pro-phe-ser-val more likely be buried inside a globular
polyglutamic acid a polypeptide containing only glutamic acid residues spontaneously coils into an a-helix at ph 1 but
starting with an aqueous solution of fully deprotonated isoleucine draw the structure of this form of isoleucine would
the tap water found in many areas of the us and other parts of the world leave white deposites when it evaporates is
chloroform and acetone have a maximum azeotrope composed of 65 chloroform and 35 acetone that boils at 65degc if you