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in a chemodynamics laboratory an experiment involving the activity of sediment dwelling worms in a small aquarium was
the formation of fog is accompanied by a simultaneous decrease in temperature and an increase in relative humidity if
ddt is a pollutant that can be transported through the atmosphere to remote locations the sub-cooled liquid vapor
the henrys constant for phenanthrene at 20c was measured as 29 pa m3mol and its enthalpy of volatilization was
a solution of benzene and toluene behaves ideally at 25c the pure component vapor pressure of benzene and toluene are
five grams of soil contaminated with 14-dichlorobenzene from a local superfund site were placed in contact with 40 ml
estimate the activity coefficient of oxygen in the following solutions at 298 ka 001 m naclb seawaterc wastewater
freshwater lakes receive water from the oceans through evaporation by sunlight consider the ocean to be made entirely
oil field waste considered nonhazardous is transported in a tanker truck of volume 16 m3 and disposed in landfarms the
typical concentrations of ions in natural waters are given below calculate the ionic strength and debye lengths in
determine the ionic strength and corresponding debye lengths for the following solutions 0005 m sodium sulfate 0001 m
the following data were reported by karger 1971 for the adsorption of hydrocarbon n-nonane vapor on a water surface at
the following data were obtained by poe et al 1988 for the adsorption of an aromatic pollutant benzene on an arkansas
atmospheric reactions in hydrometeors rain fog mist and dew produce aldehydes and ketones consider the conversion of
it is known that when deep sea divers come up rapidly from their dives they get what is called bends this is due to the
consider a 01 mole fraction of ammonia solution in water at 298 k use the ideal solution approximation to obtain the
1 find the fugacity of a liquid a in water the concentration of a in water is 1 mgl the molecular weight of a is 78 the
a the heat evolved upon dissolution of atmospheric ozone into water is determined to be 5 kcalmol at 298 k given that
the following solubility data were obtained for an organic compound toluene in the presence of humic acid extracted
consider 2l of a 2 mm solution of nh4oh in a closed vessel brought to equilibrium with 100 ml of nitrogen if the final
calculate the ph of an aqueous solution that is in equilibrium with 100 ppmv of co2 in the gas phase the liquid-to-gas
100 ml of an aqueous solution containing 00004 mm n-nonane is placed in a closed cylindrical vessel of inner diameter 5
below the water table the groundwater aquifer is a closed system with respect to exchange of co2 with a separate vapor
the bioconcentration factor can be predicted solely from the aqueous compatibility factor measured as solubility derive
it is desired to remove benzene from an aqueous waste stream at an industrial waste site that produces approximately