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Explain why chymotrypsin mutated for all three amino acids in the active site catalytic triad is still able to increase the rate of peptide bond hydrolysis by approximately 50,000-fold.
State a beaker contains 100. mL of 0.0640 M H2SO4. Define what volume of 0.0470 M KOH solution is needed to exactly neutralize the acid
Question- You wish to make a 0.413 M hydrochloric acid solution from a stock solution of 3.00 M hydrochloric acid. How much concentrated acid must you add to obtain a total volume of 175 mL of the dilute solution? answer in mL
A 50.0 mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0mL of KOH.
The oxide of 'N' element contains 33.33% of the element .The same element forms a chloride whose Vapour density is 59.25.
Determine the molarity of this solution. (b) If I use 1 cup of vinegar (236.588 mL) to help create a cleaning solution for my windows, how many molecules of acetic acid is this?
1.00 mol of glucose was dissolved in water to form 1.00 L of solution at 298 K and 1 bar. Calculate the chemical potential of water, glucose and free energy of mixture. Data for water: density 1.00 g/cm3, molar mass 18.02 g/mol, ?fGo(H2O,l) = -237...
What is the longest wavelength (in nm) that can dissociate a molecule of H-I? in nm.
Why do I add strong acid (e.g. HCl) to the salt of a weak acid (ammonium acetate) to bring UP the pH of the buffer solution from the pKa
An unknown sample of Cu2+ gave an absorbance of 0.292 in an atomic absorption analysis. Then 2.00 mL of solution containing 100.0 ppm (= µg/mL) Cu2+ was mixed with 95.0 mL of unknown, and the mixture was diluted to 100.0 mL in a volumetric flask. ..
For each of the following metal cations that react with a limited amount of aqueous ammonia write the net ionic equations:Aluminum (III) nitrate, Barium (II) nitrate, Cobalt (II) nitrate, Copper (II) Nitrate, Magnesium (II) nitrate, Manganese (II) ni..
write balanced net ionic equations for the following electrolysis reactions using platinum electrodes
Oleic acid has one double bond and a molar mass of 282.45 g/mol. If iodine number is equal to the number of grams of Iodine (1) that combines with 100 grams of a fat or oil substance; calculte the iodine number for Oleic acid.
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