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A sample contains two proteins, Protein A (pI 5.9) and protein B (pI 7.8). Could you design an ion exchange chromatography method to separate these two proteins? (Please specify anion or cation exchange column, mobile phase, and binding/elution strategy?
In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same experiment, however with charges measured in a fictitious unit called a zeet (z).
Question- The following balanced equation is incorrect. Explain why this is and give the correct balanced equation; Al(s)+3Cl(g) ---> AlCl3(s)
Suppose that 347 mL of argon is collected over water at 25 ?C and 715 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ?C is 23.8 torr.Answer in units of mL
A mixture of gases conssists of CH4 at a partial pressure of 143 mm Hg, N2 at a partial pressure of 469 mm Hg, and O2 at a partial pressure of 563 mm Hg
What is the pH of the buffer that results when 11 g of NaCH3CO2 is mixed with 85 mL of 1.0 M CH3CO2H and diluted with water to 1.0 L? (Ka of CH3CO2H = 1.8 ´ 10-5)
We add excess Na2CrO4 solution to 17.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.310 grams.
How do you determine which methyl group gets the equatorial position in an 1-4 disubstituted isomer? (Assuming the methyl groups are different. For example, one is ethyl and the other is methyl).
a an aqueous methanol ch3oh solution has a mole fraction of 0.525 of methanol. what mass of water would be present in
Why is it that hex-1-ene, (Z)-hex-2-ene, and (E)-hex-2-ene are considered to have a high boiling point?
The molar heat capacity of silver is 25.35 J/mol?C. How much energy would it take to raise the temperature of 9.30g of silver by 14.2?C.
A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rises from 25.0°C to 62.3°C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
When aluminum metal is dipped in an aqueous solution of hydrochloric acid, hydrogen gas is produced with the formation of an aluminum chloride solution. Write the balanced chemical equation showing the phase of reactants and products.
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