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Calculate:-
(a) the velocity and
(b) the degree of inhibition of an enzyme catalyzed reaction in the presence of 6x10-4 M substrate (KM = 10-3 M) and 2.5x10-4 M of a non-competitive inhibitor (Ki = 3x10-5). Vmax = 515 nmoles/L/min.
vi = __._ nmoles/L/min% Inhibition = __._%
Elemental analysis of aspartame gives C 57.1%, H 6.2%, N 9.5%, with the remainder of mass accounted for by O. A molecular ion is observed in the mass spectrum at 294 amu. What are the empirical and molecular formulae of aspartame
what is the temperature increase of the bomb calorimeter. The specific heat capacity of water is 4.184 J/g K and the molar mass of glucose is 180.2 g/mol.
Suppose a solution contains 0.25 M Pb2 and 0.49 M Al3 . Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2
Explain why light intensity is dependent on the distance the detector is from the light source. Describe the mathematical relationship. Explain why all comparative measurments for this experiment should be made with the optical cable the same dist..
Problem- Explain on a molecular level, how soaps accomplish cleaning in aqueous solution. Be specific and use appropriate terminology.
Given that the rate constant for the decomposition of X is 1.60 M^-1 min^-1, calculate the concentration of X after 11.0min.
When a neon atom is electrified, the electrons jump to higher orbits. One of the electrons falls from an outside orbit to an inside orbit giving off red light with a wavelength of 7.34 x 10-7 m. Calculate the frequency of the red light given off b..
The activity of an enzyme is close to zero at pH = 10 and above and high at pH = 6 and below. The activity of this protein probably depends upon the presence of an amino acid with R-group
Determine the molarity of a solution prepared by dissolving 4.50 mol of NH4Cl in sufficient water to make 2.00 L of solution.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
In an acid/base titration, knowing that it took 13.14 mili litres of 0.1016 M sodium hydroxide, NaOH to reach the first endpoint of the titration,) from this information, mols of Phosphoric acid present in the sample is 1.335 mols.
At what temperature will He atoms have the same Crms value as N2 molecules at 25 degrees Celsius. Solve this problem without calculating the value of Crms for N2. Crms is the root mean square speed.
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