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Sandy explored the effect of two fluorescent dyes on mutually the synthesis of benzpinacol and the chemiluminescent reaction. Dye 1 quenched the benzpinacol reaction as well as gave a green fluorescence in the chemiluminescent reaction. Dye 2 failed to quench the synthesis of benzpinacol however afforded a red flurorescence in the chemiluminescent reaction. Explain what can you say about the estimated energy levels of the S1 and T1 states of the two dyes?
calculate the atom economy and reaction efficiency of the synthesis of camphor to from isoborneol
Why an anti-addition is formed once the acid protonates an oxygen in a ring opening reaction with epoxides and why a trans diol is the only thing that can be formed
A pentapeptide was found to contain the amino acids Phe, Gly, Met, Ala, and Ser. N-Terminal analysis yielded the PTH derivative of alanine. Partial hydrolysis of the pentapeptide yielded the dipeptides Gly-Ser, Ala-Gly, and Ser-Met.
naturally occurring gallium consists of two isotopes one of these isotopes is 71Ga with an isotopic mass of 70.9247050 amu and an abundanceof 39.892%. what is the mass number of the other isotope.
the amount of h2o2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate
What is the van't Hoff factor, i, for the solution. How would the value of i change as the solution becomes more concentrated. Explain.
In an experiment for measuring water hardness in a water sample, using Atomic Absorption Spectrophotometry, I obtained a value of 173.74 ppm hardness for my water sample.
Calculate the molar amounts of NaOH used in the reaction with the HCI solution and with the HC2H3O2 solution?
I need assistance with a project concerning demographic transition, which is little confusing to me. I am really concerned with this class as I have a failing grade
Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. Which of the two reactant is a limiting reactant
In proteins, the amino acid histidine (His) plays an important role in many biological reactions. The pKa for the protonation of His to form HisH
If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield?
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