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The equilibrium constant for the hydrolysis of the dipeptide alanylglycine by a peptidase enzyme is K = 8.1 x 102 at 310 K. Calculate the standard reaction Gibbs energy for the hydrolysis.
Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron. [Hint: For a sphere V = (4/3)pi r^3.]
An organic acid has a molecular weight of 192. A 100 mg sample of this acid was burned in an excess of oxygen in the apparatus. The only compounds that make up this acid are carbon, hydrogen and oxygen.
a. set up the hamiltonian operator for the system of an electron interacting with a fixed nucleus of atomic number z
Compound A had IR peaks at 3060, 3000-2850, 2750, 1715 cm^-1. It reacted with BH4- then H+ to form Compound B which had 1H NMR peaks of 7.2 to 7.4 (garbage, 5), 3.65(doublet, 2), 2.9 (sextet,1), 1.7 (singlet, 1) and 1.22 (doublet, 3). What are com..
Rapid Burning of Sugar Versus Its Stability Against Oxygen, Why is sugar stable under standard conditions.
What alkyne (or diyne) yields the following oxidative cleavage products. CO2+CH3(CH2)8CO2H
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be? what was the actual pH of the solution as made
determine the value Keq at 400K for the decomposition of phosphorus trichloride of [PCl5]=0.135 mol/L, [PCl3]=0.550mol/L.. and [Cl2]=0.550mol/L the equation for the reaction.
The addition of a crystal of sodium chlorate to a sodium chlorate solution causes additional crystals of sodium chlorate to precipitate. Will the solution be saturated, unsaturated, or supersaturated?
Construct a Beer†TM s Law plot and determine concentration of a solution X. When a 1 ml sample of solution X was combined with 4 mL of distilled water it had an Absorbance of 0.19.
concentrated hydrofluoric acid is 28.9M and has a density of 1.18g/mL. What is the weight percent of concentrated HF?
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