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Question - Three polypeptides listed below are in a mixture. Determine the total charge for each peptide at pH 7.0, then, of the three, which would migrate most rapidly (i.e. elute first) through a strong anion-exchange resin at pH 7.0?
ATKNRASCLVPKHGALMFWRHKQLVSDPILQKRQHILVCRNAAG
GPYFGDEPLDVHDEPEEG
PHLLSAWKGMEGVGKSQSFAALIVILA
Conformational studies on ethane-1,2-diol (HOCH2-CH2OH) have shown the most stable conformation about the central C-C bond to be the gauche conformation, which is 9.6 kJ/mol (2.3 kcal/mol) more stable than the anti conformation
Consider the titration of 30.0mL of 0.050M NH3 with 0.025M HCl. Calculate the pH after the following volumes of titrate have added.
what mass of magnesium will react wait a 500.0mL container of oxygen at 150.0 degrees Celsius at 70.0 kPa?
You can make an ester from a carboxylic acid as well as an alcohol or hydrolyze an ester to the corresponding alcohol as well as carboxylic acid under similar conditions but at identical temperatures.
Determine why would the P have been higher or lower if the H 2 O had been at pH 5?
The product of furan as well as maleic anhydride in diethyl ether reacts at room temperature moreover forms the exo products as the major product. This product decay at its melting point while most other Diels Alder adducts with maleic anhydride d..
what happened when caco3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about naoh
A 2.63 L flask is filled with carbon monoxide at 27°c until the pressure is 6.72 ATM. Calculate the total pressure after 2.89 moles of carbon dioxide has been added to the flask.
Write structures for acetone, a ketone, and methyl ethanoate, an ester.
Epsom salt is a hydrate with a formula MgsO4.xH2O, where x indicates the number of moles of H2O per mole of MgSO4. After a 1.687 g sample of the hydrate is heated, 0.824 of MgSO4 remains. How many molecule of water are present per formula unit of ..
A single celled animal lives in a fresh water lake. The cell is transferred into ocean water. Does it stay the same, shrink, or burst. Explain why.
write the half reactions (reactions at Anode and Cathode) and net redox reaction and explain the diagram
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