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if i had 2 compounds both with a molecular weight of 303 gmol how exactly is gcms able to determine if one is cocaine
problem a candle is placed 2236 cm in front of a convex mirror when the convex mirror is replaced with a plane mirror
calculate the mass in grams of hydrogen chloride produced when 595 l of molecular hydrogen measured at stp reacts with
the nearpoint of an eye is 55 cm a corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in
if the mass spectrometer produced only the parent mass how might this prove limiting when identifying
suppose we have a gas in thermal equilibrium at temperature t each molecule of gas has a mass ma what is the ratio of
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
a person sees clearly wearing eyeglasses that have a power of -254 diopters and sit 15 cm in front of the eyes if the
the distortion of earths crustal plates is an example of shear on a large scale a particular crustal rock has a shear
what would happen if a pressed polystyrene top was used to cover the polystyrene cup after the acid and base solutions
bone has a youngs modulus of about 180 1010 pa under compression it can withstand a stress of about 155 108 pa before
how are the neutral particles removed from the mass spectrometer what is the reason for removing neutral particles from
a person is making homemade ice cream she exerts a force of magnitude 16 n on the free end of the crank handle and this
a 200g ball is tied to a 10 meter long string and released from rest 60 degree angle it swings down and at the very
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
two carts of unequal mass massagtmassb move on parallel firctionless horizontal tracks both carts start from rest and
a 0276-g sample of a caco3 heterogeneous mixture was placed into a gas generator the total mass of which is 87719g
a 10 g steel marble is spun so that it rolls at 150 rpm around the inside of a vertically oriented steel tube the tube
a 30-kg 14-cm-radius cylinder initially at rest is free to rotate about the axis of the cylinder a rope of negligible
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