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phosphate can buffer in three ph ranges provide the chemical formulas of the buffer pairs as well as give the range in
explain what experimental method would you suggest for the preparation of t-butylbromide define by writing a
while 100g of compound x is combusted in a bomb calorimeter which contains 2100g of water the temperature increases
state balanced chemical equation showing how each of these compounds dissolves in water as well as with the charges on
compute the osmotic pressure in torr of a solution containing 1875 mg of hemoglobin in 150 ml of solution at 250oc
define the structure of lactose in the haworth projection circle the linkage broken by the commercial product lact-aid
define the human eye is a complex detector for visible light the optic nerve requires a minimum of 20 x 10-17 j of
state half-reactions for all three halogens that show what would happen if they acted as an oxidizing agent illustrate
standardize a solution of kmno4 by titration with a solution of oxalic acid weight out 1378g h2c2o4bull2h2o also
determine the titration of 1000 ml of 0200 m acetic acid ka 18x10-5 by 0100 m koh compute the ph of the resulting
which phrase appropriately completes the statement except for glycine which is achiral the amino acids present in
in the fish processing industry the fish cake is dried in rotary drum dryers the fish cake consists of bone dry fish
a certain indicator hin has a pka of 300 as well as a color change becomes visible when 700 of the indicator has been
compute the ph at the halfway point and at the equivalence point for each of the following titrationsa 1000 ml of 010 m
consider the titration of 800 ml of 0100 m baoh2 by 0400 m hcl compute the ph of the resulting solution after the
leadii sulfide is the principal source of lead to acquire the lead the ore is first heated in the air to form pbopbs
explain which of the following mixtures would result in a buffered solution when 10 l of each of the two solutions is
a depict three structures of three sulfur containing acids decrease formal charges by expanding sulfurs octet include
explain a certain gaseous hydrocarbon is found to be 888 c and 112 h by mass if the compound has a density of 212gl at
a ph meter is constructed utilizing hydrogen gas over an inert platinum electrode the hydrogen electrode at a pressure
compute the ph during the titration of 3000 ml of 01000 m koh with 01000 m hbr solution after the subsequent additions
a ph meter is constructed utilizing hydrogen gas bubbling over an inert platinum electrode define the hydrogen electron
the retention volume for a solute was found to be 762 ml for a column with vm 166 ml and vs 127 ml compute the
suppose the conversion of this energy to electricity in a nuclear power plant is 45 efficient define what mass of
the hydrogen atom is not in fact electronegative enough to form bonds to xenon explain were the xenon-hydrogen bond to