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how many ml of so2 gas density 26288 kg m-3 are requied to react with 125 ml of 20 m potassium permaganate
a beaker with 100 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
10g of ethane c2h6 is burned to heat 100g of water what would be the final temperature of the water if it was initally
if i had 2 compounds both with a molecular weight of 303 gmol how exactly is gcms able to determine if one is cocaine
calculate the mass in grams of hydrogen chloride produced when 595 l of molecular hydrogen measured at stp reacts with
if the mass spectrometer produced only the parent mass how might this prove limiting when identifying
assume you are performing the calibration step of experiment 8 and you begin with 80 g of water at 20 oc and 80 g of
what would happen if a pressed polystyrene top was used to cover the polystyrene cup after the acid and base solutions
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a 250ml aliquot of an aqueous quinine solution was diluted to 50 ml and found to have an absorbance of 0832at 348nm
if you were to use a column one half the length of the one you actually used how do you think the retention times of
a 0276-g sample of a caco3 heterogeneous mixture was placed into a gas generator the total mass of which is 87719g
why does the negative potential superimposed with an ac current allow low mass particles to pass through the quadrupole
why does the positive potential superimposed with an ac current allow high mass particles to pass through the
a single crystal of silver with critical resolved shear stress of 80 mpa is oriented such that tension is applied along
a double cheeseburger has a caloric content of 440 cal 1cal 1000 cal if this energy could be used to operate a
the normal boiling point of ch3oh is 647c and its molar enthalpy of vaporization is deltah718kjmol calculate the value
calculate the change in entropy when 25 g of ethanol at 50oc is poured into 70 g of ethanol at 10oc in an insulated
how are the daughter ions or fragments formed in mass spectrometry and why are these fragments helpful in identifying
a system contracts from an initial volume of 150 l to a final volume of 100 l under a constant external pressure of
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what are the three basic steps in mass spectrometry also why are the analyte molecules
a 250 ml sample of 0150 m chloroacetic acid is titrated with a 0150 m naoh solution what is the ph at the equivalence
a 2154 ml volume of 0130 m naoh is required to reach the stoichiometric point for the titration of 2500 ml of a 0112 m