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halogenated compounds are mainly easy to identify by their mass spectra because chlorine as well as bromine occur
regard as liquid mercury hg l look up values for k kappa and b beta the constant pressure heat capacity in the liquid
2-methylhexane demonstrate an intense peak in the mass spectrum at mz 43 offer a likely structure for this
lactic acid has a pka of 308 explain what is the approximate degree of dissociation of a 35 m solution of lactic
explain what is the molarity of a solution of acetic acid hc2h3o2 if 3500ml is titrated to the end point with 6820 ml
come up with guess as well as then confirm a mechanism that is consistent with the experimentally found reaction rate
my latest gas bill shows that natural gas costs 143 per 100 std ft3 while electricity costs 19kwh presuming that
the mass percentage of hcl within a solution is 1000 specified the density of this solution is 1049gml determine the
1250 g mass of standard aspirin is dissolved in approximately 20ml of 1 m naoh this solution is added to a 250-ml
a certain aspirin tablet with a mass of 2135 g contains 0216g of aspirin explain what is the percent aspirin in the
for pressures up to about 50 bar the equation of state pv n rt- 0072 lmol p with p in bars as well as v in liters for
compute the value from the previous slide that is 4 utilizing the equation for r pretentious light is traveling from
the solubility of an unknown compound of x in ethanol is found to be 21 grams per 10 ml at 0 celsius explain what is
given the procedures described for using pateur pipets from part a of experiment 0 as well as literature densities if
rochelle developed multiple sclerosis while she was 27 after eight years she has lost a good portion of her ability to
compute the concentration in molecules cm-3 and the mixing ratio in ppm of water vapor at ground level at t298k as well
measurements of ch3sch3 dimethyl sulfide were in the range of 250-500 ng m-3 alter these values to mixing ratis in ppt
presume that 089g of water condenses on a 800g block of iron that is initially at 22c if the heat released during
1 explain what are the possible consequences of having water mixed with the hexane-titration sample in would the
complete the titration of a weak diprotic solid acid you take 1780 mg of the solid acid as well as dissolve it in
bsa bovine serum albumin is a biochemically useful protein a 0227 gram sample of bovine serum albumin is dissolved in
explain the rate of a reaction is given by k a b the reactants are gases if the volume in use by the reacting gases is
consider an electron in a one-dimensional box the size of a nucleus with one proton hydrogen 10-14ma approximate its
compute the concentration of sulfur dioxide that must be reached in polluted air if the dissolved gas is to produce a
explain how much salt in grams would need to be added to 184l of water to increase the boiling point by 436 degc