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A tetrameric protein dissociates into dimmers when the detergent sodium dodecyl sulfate (SDS) is added to a solution of the protein. However the dimmers are termed SDS-resistant for the reason that they do not further dissociate into monomers in the presence of the detergent. Explain what intermolecular forces might be acting at the dimmer-dimmer interface? Explain Are the intermolecular forces at the monomer-monomer interface different?
Describe why this is based on the wavelength range that is transmitted. What color would you see if you mixed the two solutions with ?max = 520 and ?max = 610?
What is the molality of a solution of 50.0 g of propanol(C3H7OH) in 752 mL water if the density of water is 1.00g/mL
Determining the Lewis structures of small compounds is the first step towards determining the molecular shapes of larger and larger molecules. Determining the shapes of amino acids, proteins (enzymes), etc.
hydrogen sulfide ion hs- is a weaker base than ammonia nh3. when ammonia reacts with hydrosulfuric acid h2s what
Calculate the final temperature of 33 ml of ethanol initially at 20 degrees Celsius upon absorption of 541 J of heat. (density of ethanol =0.789 g/ml)?
question how many moles of sodium hypobromite nabro should be added to 1.00 l of 0.055 m hypobromous acid hbro to form
Determine the pH at the equivalence (stoichiometric) point in the titration of 52.8 mL of 0.537 M HNO2 by 0.350 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbiocide?
Calculate the potential delivered by a voltaic cell using the following reaction if all dissolved species are 2.5 x 10 -2 M and the pressure of H2 is 1.0 bar.
Freezing point depression constant for camphor is 37.7 def C/m. If 225 mg of caffeine dissolved in 7.5g of camphor lowers the freezing point of the caphor by 5.82 deg C, the molecular mass of the caffeine is
A saturated solution of lead (II) bromide is prepared by dissolving the solid in water. the concentration of lead (II) ion in the solution is found to be 0.0115 M What is Ksp for this compound
Not all Friedel-Crafts reacts require a strong Lewis acid catalysts to generate the electrophile for the substitution reaction. Show, using curved arrows, how the electrophile is generated from t-butanol in the presence of H2SO4
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