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for a diels-alder lab im asked to provide a rationale for the correct product for this reaction not sure exactly what
a geological sample is found to have a pb-206u-238 mass ratio of 0773100 assuming there was no pb-206 present when the
the freezing point of ethanol c2h5oh is -1146 c the molal freezing point depression constant for ethanol is 200cm what
the strong acid soultion of hcl has ph of 122 what is the concentration of h cl- and
a 500ml sample of 00240 m nh3aq is titrated with aqueous hcl what is the ph after the addition of 150ml of 00600 m
for the reaction 2no cl2 2nocl if the change in molarity is cl2 is 241 x 10 -2 m in one second how do you find the
in a electrode potentialcell reaction lab you conduct an experiment with a voltmeter connected to two electrodes two
we will abbreviate malonic acid ch2co2h 2 as h2m find the ph and concentrations of h2m hm- and m2- for the following ka
if you were to draw samples from the top of a homogeneous solution and then the bottom would you find differences
the rate constant for a reaction increases by a factor of 10 when the temperature is raised from 250k to 325k what is
2pbss 3o2g 2pbos 2so2ghfkjmol -100 0 -2173 -2969gfkjmol -987 0 -1879 -3004sjmol k 912 2050 687 2485assuming that hf
fe2o3molar mass1597 gmol reacts with comolar mass 280gmol according to the equation fe2o3s3coggtgtgtgt 3co2g2feswhen
a titration of 600ml of 030m pyridine c5h5n required 900ml of 020m hcl to reach the equivalence point what is the ph at
if 0100 mol of argon gas occupies 215 l at 725 mmhg what is the temperature in degrees
air contains nitrogen oxygen argon and trace gases if the partial pressure of nitrogen is 587 mmhg oxygen is 158 mmhg
a sample of hydrogen fluoride gas has a volume of 1250 ml at stp what is the pressure in mmhg if the volume is 255 ml
explain why tetrachloethylene is widely used for dry cleaning of fabrics and as a paint stripperwould you expect it to
diagram the reverse of a dehydration synthesis reaction where might you find this type of reaction occurring in the
diagram the formation of an ether name the type of reaction and the ether you
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diagram the oxidation reaction using expanded structural formula of secondary butanol name the
diagram a thiol cleavage reaction using expanded structural formula of butene be sure to include all the possible
how many grams of carbon dioxide will you get if you burn 400 pounds of hydrocarbon that contains 9375 carbon to
diagram a hydrolysis reaction using expanded structural formula of butene be sure to include all the possible products
for each of the following pairs of organic compounds identify the structure that would be expected to have the highest