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Separate a mixture of alkanes. Which HPLC mode will you choose and why? Consider: Normal-phased, reverse-phased, ion-exchange, and size-exclusion).
0.500 g of CuI was used to couple 2.0 mL of 1-hexyne what is the mole % of the CuI catalyst that was used? This is as Cu-catalyzed diazo coupling reaction that coupled ethyl diazoacetate with 1-hexyne.
Write the balanced equation for the reaction involved in the synthesis of acetanilide from aniline and acetic anhydride.
Explain why dimerization of the cyclopentadiene is the side reaction and discuss how to avoid this side reaction.
a second reaction has a standard Gibbs free energy of -55 kJ/mol. What is the ratio of their equilibrium constants at 300 K?
A dilute solution containing 5 ppm of solute has a density of 1.00 g/ml. Express the concentration of the solute in g/L, ug/mL and mg/L.
Where do i draw the line between a good leaving group and an excellent leaving group(sn1)? Do i draw the line for a excellent leaving group at all halides
if you started a ride with ice packs that held 1600g of frozen water at 0 degree celius and the temperature of the
a wave in the ocean has amplitude of 3m. winds pick up suddenly increasing the waves amplitude to 6m. how does the
determinenbsp the energy in joules of a mole of photons coupled with red light of wavelength 7.00 acute 102 nm c 3.0 x
began with 81.0 mmol of isopentyl alcohol, how many grams of isopentyl acetate could you theoretically produced assuming only 65.0% attainable yield?
Meaning, use and calculation of empirical formulas, In this introduction are given the explanation of how to find out an empirical formula if one has found out the chemical elements of an unknown substance and measured their ratio of masses
A first order reaction has a rate constant of 0.210 at 25 oC and 4.91 at 42 oC. Calculate the value of the activation energy in KILOJOULES
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