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Buffers that match the pH of blood and the cytoplasm are commonly required in scientific experiments. If you were studying the effects of lactic acid on muscles and needed to design a buffer that would have a pH of 7.2, what chemical components would you select and in what proportions? Include relevant calculations in your answer.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results from the trypsin, chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence of this decapeptide.
what mass in grams of a 0.5 m solution of sodium acetate in water would you use to obtain 0.150 mol of sodium acetate
The moles of salicylic acid is 0.00724mol. The molar mass is 138.12 salicylic acid . Given 1.00 g of salicylic acid . Please show work? m=mol of solute X particles per formation/ mass of solvent, kg
Explain what is the pH of a solution made by mixing 30.00mL of 0.10 M acetic acid with 30.00 mL of 0.10 M KOH. Presume that the volumes of the solutions are additive. Ka=1.8 x 10-5 for CH3CO2H.
Compare the stabilities of an allylic anion and a homoallylic anion, each with the formula C6H11-. An allylic anion has the negative charge on an atom adjacent to the double bond.
There are several functional groups that have different names in biochemistry circles. Select the organic name that corresponds to the biochemical name.
Propose a synthesis of ethyl isopropyl ether from isopropyl alcohol using the Williamson ether synthesis.
What is the wavelength in micrometers of a photon emitted from a Hydrogen electron relaxing from the
Given the following data for mercury, (Hg), estimate the temperature at which mercury boils at 1 atm.
Depict the general trends in the second ionization energy of an element as a function of its atomic number, over the range Z=1-20. Label the minima as well as maxima on the graph with appropriate element symbol.
Problem- Carbon dioxide in the atmosphere dissolves in raindrops to produce carbonic acid (H2CO3), causing the pH of clean, unpolluted rain to range from about 5.2 to 5.6. 1) What are the ranges of [H+] and [OH-] in the raindrops
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of N2)4 is 5.3 x 10^-5 M, what is the concentration of NO2
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