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kcl has the same crystal structure as nacl calculate the volume of the unit cell given that ionic radii are k 152 pm
the conversion of substance a to substance b has delta e 35 kj mol1 and an activation energy ea of 25 kj mol1 sketch a
in the first part of your ternary mixture seperation experation the mass of the beaker was 3548 grams and the mass of
based on the amounts and information below calculate the percent yield of 9-fluorenol do not worry if you get greater
what is the balanced equation for the complete combustion of 224-trimethylpentane show how butane can be converted to
the rate constants for a first order reaction are found to be 276 x 10-5 s-1 at 25 degrees and 665 x 10-4 s-1 at 50
a student placed 110 g of glucose rm c6h12o6 in a volumetric flask added enough water to dissolve the glucose by
what is the concentration of each of the following 150 ml of 0400n hcl diluted to 300ml volume
the following properties were measured for an unknown hydrocarbon in a lab with an ambient temperature of 28 degrees
the meconium first stool of newborns in an inner-city hospital is sometimes screened for the presence of drugs of
the performance of a new mass spectrometer is being evaluated for the analysis of uranium in well water replicate
a new method is devised to extract marijuana from hair for subsequent injection into a gas chromatographan external
the concentration of ascorbic acid vitamin c in a new beverage is to be determined using a new electrochemical sensora
a 025 percent c hypoeutectoid plan-carbon steel is slowly cooled from 950 degree celcius to a temperature just below
the larger ring of protonated caffeine is aromatic show the structure of the dication and explain why it is
sodium azide a compound containing only sodium and nitrogen is used as a propellent for inflating airbags in some
assuming that the resolution of an electron microscope is equal to the de broglie wavelength of the electrons used to
rank the following in order of increasing solubility in water ch3ch23nh2 ch3ch22ch3
when 1 mole og h2 is burned 286 kj of heat is given off how many moles oh h2 must burn to give 500 kj of heatlwhat is
how many moles of nacl are there in 400 ml of 100 m nacl solution if a 50l container with gas at 200 atm is compressed
a sample of 0200 m solution of khc2o4 molar mass128 g is used to determine the concentration of an unknowna sample of
when acetone c3h6o is oxidized via combustion the following reaction can be revisioned balance the reaction and
a swimming pool 100 m by 40 m is filled with water to a depth of 30 m at a temperature of 202 cif the energy needed to
what volume of 3m h2so4 is needed to neutralize all of the disodium salicylate and the disodium salicylate and the
have a 25l soln made up of 005m cl- 00002m br- and 0100m cro4 you slowly add drops of a 05m agno3 solnksp for