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from a calibration curve i found a concentration of 1184 microgramsml with a standard deviation of 179 i multiplied the
from a calibration curve found a concentration of 1184 micrograms per ml with a standard deviation of 179 multiplied
compute the volume in ml of a 0570 m koh solution that must be added to 6000 g of hepes mw238306 gmol pka 756 to give
limesonte is another form of caco3 sandstone is primarily silica or sand sio2 on the basis of observations made in
a campfire is a chemical reaction involving wood and oxygen from the air in light of the law of conservation of mass
cyclohexane is utilized as the recrystallization solvent to purify the triphenylmethanol by removing the biphenyl
silver tarnish is the result of silver metal reacting with sulfur compounds such as h2s in the air the tarnish on
while 477g of a nonelectrolyte solute is dissolved in water to make 785ml of solution at 23 c the solution exerts an
if 36 g of butanoic acid c4h8o2 is dissolved in enough water to make 10 l of solution explain what is the resulting ph
depict a structure consistent with the subsequent set of data- a hydrocarbon with a molecular ion at mz 68 and an ir
explain which would not be a way a substituent on a benzene ring could donate or withdraw electrons when considering it
pure n-butane is contained in an isothermal pressure cell in which the volume can be varied the cell is maintained at
if you had utilized 10 grams of calcium nitrate instead of 10 grams of sodium chloride for the boiling point elevation
presume h atom circulates around a stationary atom i in a plane at a distance of 161 pm compute a moment of inertia of
for a helium atom in a 1d box calculate the value of the quantum number of the energy level for which energy is equal
a uv photon wavelength 584 nm from a helium gas discharge tube is absorbed by a hydrogen molecule which is at rest
for silver metal the velocity of electrons emitted utilizing 200 nm photons is 742 x 105 m s-1 compute the work
a compressed liquid containing an equimolar mixture of normal pentane and normal hexane is flashed at 20oc in this
compute the dew point temperature for a mixture that is 30 n-pentane as well as 70 n-butane at a pressure of 15bar next
the mole fraction of nacl in an aqueous solution of nacl 58443 gmol is 00570 the density is of the solution is 107 gmla
an atomic face-centered cubic crystal is 392 angstroms on an edge as well as has a density of 215 gcm3 explain what is
in a constant-pressure calorimeter 600ml of 0310 m baoh2 was added to 600 ml of 0620 m hcl the reaction caused the
while a 500-g sample of kcl is dissolved in water in a calorimeter that has a total heat capacity of 2403 kjbullk-1 the
a 20 cubic foot tank at 100 degrees f is pressured to 200 psia with a pure paraffin gas ten pounds of ethane are added
estimate the critical pressure of a mixture of methane as well as n-hexane if the critical temperature of the mixture