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During the attempted allylic bromonation of propene with NBS (N-bromosuccinide) a small amount of hexa-1,5-diene is occasionally formed. Explain how this diene byproduct is formed. Please include a chemical equation showing an appropiate organic intermediate.
Calculate the molar mass and the molecular formula of the solid. (Ki for diphenl is 8.00'C/m)
A sample of arabinose, C5H10O5, contains 0.6000 moles of the substance. How many carbon atoms are in the sample?
In a proton nmr spectrum a methylene peak appeared at delta = 2.1 ppm when a simple 60 MHz spectrometer was used. At what frequency would this peak appear if the scale were instead given in Hertz
two excited triplet states are found 13814 and 15891 cm^-1 above the ground state. calculate the Helmholtz energy for this molecule at room tempreature and 1 atm.
Consider the titration of 100.0 mL of 0.200 M acetic acid (Ka = 1.8 10-5) by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added.
If a student weighs out .500g of oxalate unknown and it takes 20.6 mL of permanganate solution to titrate it, how much oxalate unknown should the student weigh out
Making the same assumptions, would phosphate transfer from BPG to ADP be able to drive synthesis of glucose-1-phosphate from free glucose and inorganic phosphate
When you analyze the proteins by electrophoresis, you find that protein B moves further towards the positive end of the gel. Explain if this result is consistent with your hypothesis about the difference between the two proteins.
When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP
for a hydrogen atom calculate the energy of a photon in the balmer series that results from the transition n 3 to n
The cylinder diameter is 2 inches and the depth of the water in the cylinder is 4 inches. Determine the concentration of salt in solution, showing your answer in the units specified.
Which of the following substances would be most efficient per unit mass at melting snow from sidewalks and roads: glucose, sodium chloride, ethylene glycol, or calcium nitrate. Your explanation should include possible environmental impact.
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