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1.) A 100 kDa protein is found to have a diffusioncoefficient value of 9.6 x 10^-7 in water at 37 cm^2/sdegrees C. Assuming a spherical shape, how many water molecules arebound by each protein?2.) If you want to change the buffer composition of aprotein solution via diafiltration, how many resevoir volumes are required to remove 99% of the original buffer components?
How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolyte cell
What is the composition in mole fractions of a solution that has a vapor pressure of 39 at 20 ? Express your answer using two significant figures.
What is the vapor pressure of SiCl4 in mm \ Hg at 31.5 C? The vapor pressure of SiCl4}is 100 mm \ Hg at 5.4 C, and Delta H vap} = 30. kJ/mol
Given that the solubility of magnesium fluoride is 0.0729 g/L, calculate the value of Ksp for this salt
How much energy (in kilojoules) is required to convert 270 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
A vessel contains 3.00 mol of Ar, 5.50 mol of CF4, and 1.50 mol of C2H6 gases. If the partial pressure of Ar is 1.440 atm, what is the total pressure inside the vessel
There are two sources of oxaloacetate for entry into gluconeogenesis. how could you experimentally determine the relative contribution of each of these sources to the overall flux oxaloacetate through gluconeogenesis? Draw out your experiment.
We titrated a 0.1033 M NaOH solution into an unknown concentration of a weak acid (25.00 mL). It also says the unknown acid will have a concentration of about 0.1 M.
A high pressure natural gas tank is at 3600 psi. The tank contains 4.98 mol of methane (CH4) and 0.66 mol of ethane (C2H6). What is the partial pressure
The solubility product for CuI(s) is 1.1x10-12. Calculate the value of the cell potential for the following half-reaction.
Colbalt monoxide CoO, the blue color in ceramics glazes, is prepared by decomposing cobalt (II,III) oxide at 950degree celsius.
When X rays of wavelength 0.096 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance between the layers of atoms responsible for the diffraction?
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