Will salt crystals dissolve in pure methanol or pure water?

Would ammonia or piperidine be a better buff er at pH 9?

You are studying the tripep de Lys-Val-Thr.   a) Could you use the absorbance at 280 nm to determine the concentra on of this tripep de? Briefly explain your answer.   b) Show how the charge of this pep de would change at different pHs.

What is the chemical formula of palytoxin?

Rank the following three compounds in order of decreasing basicity. NH2 NH₂ NH2 NO2 I II III A) II > I > III B) III II I C) III > I > II D) I > II > III

What is the chemical make-up of the vast majority of gallstones, and how do they form?

Which of the following organic compound doesnot dissolve in water? glycerol propane propanoic acid propanol H H-C Н Н H-с-с-с Н- OH HICIH H-C c-c 1 Н OH H -+ Н HICIH H Н H H C C H H OH 5-о-т OH -C-H -H OH

1) How many different forms of D-monosaccharide are present at equilibrium in an aqueous solution? a) 4 b) 2 c) 1 d) 3

If a solution has a pH of 1, how many more H+ are present than in a solution with a pH of 4?

What is the formaldehyde emission rate of particleboard?