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an 515g sample of naphthalene c10h8 is dissolved in 447 g of an unknown solvent the normal freezing point of the
several people think salt nacl is added to water to augment the boiling point so pasta will cook faster explain how
a clinic took temperature readings of 250 flu patients over a weekend as well as discovered the temperature
2 d of sample containing na2co3 and nahco3 loses 0248g when heated at 300 degree celsius them at which nahco2
one mole of an ideal gas cp7r2 in a closed pistoncylinder is compressed from t1100k p101 mpa to pf07 mpa by the
depict the structures of the cycloalkanes with molecular formula c6h12 that have a 6-membered ringbullutilize the
three moles of an ideal gas with temperature independent cp72r cv52r is contained in a horizontal pistoncylinder
in proteins the amino acid histidine his plays an significant role in many biological reactions the pka for the
rochelle developed multiple sclerosis when she was 27 after eight years she has lost a good portion of her ability to
mass spectra for 1-bromo-4-propylbenzene as well as 3-bromopropyl benzene are shown below match each spectrum to the
another solution is prepared by dissolving 07500g of an unknown non-electrolite in 15g of carbon tetra-chloride ccl4
for the reaction ararr b c while the natural log of a is plotted versus the time in seconds a straight line is
explain what is the boiling point of a solution made of 2000g of benzene solvent to which 1025 g of naphthalene c10h8 a
while solid zn metal is put into an aqueous solution of niso4 solid ni metal and a solution of znso4 result state the
determine the reaction when aqueous solutions of cobalt ii acetate as well as potassium sulfate are combined the net
explain how many pounds of carbon dioxide are produced from burning one gallon of gasoline presume gasoline is 100
an x-ray diffract meter recorder chart for an element which has either an fcc or a bcc structure shown diffraction
a gas diffuses only 05 times as fast as an oxygen molecule at the same temperature explain what is the molecular weight
explain the preparation of phenylmagnesium bromide from bromobenzene and magnesium metal is an instance of an
explain what would be the product of a grinard reagent with an acid chloride such as acetly chloride explain how many
the vapor pressure of pure water at 20 degrees celsius is 175torr explain what is the vapor pressure at 20 degrees
give the product after acid hydrolysis of the reaction of methyl benzoate with two moles of methylmagnesium iodide
an aqueous solution of ethylene glycol c2h6o2 is 40 ethylene glycol by mass as well as has a density of 105 gml explain
a 00000704 m sample of compound x in a solvent has an absorbance of 0316 at 528 nm in a 1000-cm cuvet the solvent alone
1 explain what is the unit that forms the basis of the glycogen polymera the six-membered form of galactoseb the