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Which protein elutes first from a diethylaminoethyl cellulose ion exchange column with a decreasing pH gradient?
A) Cytochrome c
B) Serum albumin
C) Catalase
what is the acid dissociation constant of a weak acid if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001M?
What volume (in milliliters) of 0.240 M NaOH should be added to a 0.125 L solution of 0.029 M glycine hydrochloride
Phosphorylation of a serine residue on the dual function enzyme PFK2/FBP2 switches it from a kinase active, phosphatase inactive form to a kinase inactive, phosphatase active form
If an automobile is able to travel 246 on 10.6 of gasoline, what is the gas mileage in ?
Calculate the velocity of a neutron whose de broglie wavelength is 500pm. The mass of the neutron is 1.009 amu.
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
1. Average speeds of gas particles (give answers in m/s) a. Calculate the average speed of Hg vapor atoms at 500oC b. Calculate the root-mean-square speed
Consider a 2710-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car? in mph
What is the condensed structural formula of nonane? b. Is it a solid, liquid, or gas at room temperature?
Suppose that the gas-phase reaction A B and B A are both elementary processes with rate constants of 6.56e-02 s-1 and 3.51e-04 s-1, respectively
In the production of printed circuit boards for the electronics industry, a 0.235 mm layer of copper is laminated onto an insulating plastic board. Next a circuit pattern made of a chemically resistant polymer is printed on the board
What are the n and l quantum numbers of the electron removed when Bi is ionized to Bi+ and would you expect element 115 to have ionization energy greater than, equal to, or less than that of bismuth? Explain.
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