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a. If the hexapeptide in question 7 is dephosphorylated, then aminoethylated (AE) at cys, and cleaved by trypsin, what products will result?
b. Which hydrolysis product would arrive first at the detector of a TOF mass spectrometer using electrospray ionization from an acidic solution to volatilize and charge the peptides? Explain why.
How many milliliters of a stock solution of 6.0 M of HNO3 would you have to use to prepare 110 mL of 0.500 M HNO3? If you dilute 10.0 mL of the stock solution to a final volume of 0.250 L, what will be the concentration of the diluted solution
An experiment requires 40.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
A 15.6 mL sample of vinegar, containing acetic acid, HC2H3O2, was titrated using 0.6216 M NaOH solution. The titration required 19.80 mL of the base. Assuming the density of the vinegar to be 1.0 g/mL, what was the percent (by mass) of acetic acid..
The second time, 1.3mL is added to reach the end point. How would I calculate the molarity of the hydroxide ion (OH-) for the two tests
1.list all the strong aqueous acids. what is the difference between a strong acid and a weak acid? how do the
Solids generally expand as the temperature increases. Such an expansion results from an increase in the bond length between adjacent atoms as the vibrational amplitude increases.
Which one of the following salts, when dissolved in water, produces the solution with the highest pH. and WHY. KCl, KF, KI, KBr
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
Draw molecular structure of the following compounds. Identify the : paraffins, olefins, alkynes, naphthenes,and aromatics.
Assume further that as the normal fruit flies die off quickly, a population of the resistant flies increases geometrically (that is, 1, 2, 4, 8 ...) If a new generation occurs every 62 days, in how many days will the fruit fly population be restor..
Calculate DeltaG °rxn. c) In which direction is the reaction, as written, spontaneous at 25 °C and standard pressure?
a sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in h2o and 31.10ml of 0.350m cacl2 was
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