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You are working on an expiriment with a newly discovered enzyme. This enzyme works most efficienly at a pH of 5.70. You make 250mL of a 150 mM acetate buffer (pKa=4.76), pH 5.70. The stock concentrations of the acetic acid and sodium acetate used to make the buffer are 1 M for each.
a) Was this buffer a good choice for this reaction? Explain
b) What is the concentration of the acid and base form of acetic acid when you start the experiment?
c) In the process of the enzyme catalyzed reaction, 5mM H+ is produced. What is the pH of the solution after the reaction is complete?
draw the stuuctural formula of your drug C13 H21 NO3 albuterol. Highlight any regions of your drug that are nonpolar
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Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.
Microwave radiation of wavelength 4.00 mm is used to heat 250.0 grams of water from 10.6 degrees C to 100.0 degrees C. How many photons are needed?
Consider the molecules ClF3O and BrF3O. (a) Would expect the lone pair on the central halogen to be axial or equatorial in these molecules? Explain
role of sodium carbonate in extraction of caffeine from tea leaves.
Sample were collected in a zinc smelter to determine the exposure of a furnace tender to lead fume during his normal work duties which involves "furnace draws" and general activities around the furnace.
How is a "charge" different from a mortgage?
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
the pH of a saturated solution of a metal hydroxide MOH is 9.68. calculate the Ksp for the compound
What main type of intermolecular attraction would you expect for cl2c0?
calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.
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