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the energy of activation of an uncatalyzed reaction is 60 kjmol the energy of activation is reduced to 25 kjmol for the
you have an 45kd histidine tagged bacterial protein 100 pure you apply this pure protein to a ni2-agarose column then
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you need to prepare 1000 ml of a ph400 buffer solution using 0100 m benzoic acid pka 420 and 0160 m sodium benzoate
1 write an equation describing the hydrolysis of one ester group in tannins by caco3 2 how would longer roasting time
what is the final temperature when 126g of hot water at 559 degrees celsius is mixed with 351g of cool water at 223
1 draw a partial mo diagram between px-orbitals of silicon and the appropriate halide for trimethylfluorosilane and
a specific brand of gourmet chocolate candy contains 700 of dietary fat in each 227- piece how many kilograms of
sprinter set a high school record in track and field running 2000m in 220s what is the average speed of the sprinter
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you have separate solutions of hcl and h2so4 with the same concentrations in terms of molarity you wish to neutralize a
consider a particle of mass m moving in a one dimensional system between xa and xb with the potential energy vx 1hbar
the temperature of a 0750k gas sanoke at 25 degrees c and 200 atm is changed to 250 degrees c what is the final
menthol the substance we can smell in mentholated cough drops is composed of c h and o a 6030times10-2 mg sample of
a sample of neon gas has a volume of 72 ml at a pressure of 150 atm what is the pressure exertedc by the gas if the
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1 when solutions of silver nitrate and calcium chloride are mixed silver chloride precipitates out of solution
why is it not possible to use ethanol to extract an organic compound from water even though most organics are more
calculate delta u of a gas for a proces inehich the gas obsorbs 3 j of heat and does 10 j of work by expandinga 13 jb
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calculate the ph of a solution prepared by dissolving 075 mol of nh3 and 025 mol of nh4cl in water sufficient to yield
a compound has been analyzed and has been found to have the following composition copper 6675 phosphorus 1084 oxygen
the ion concentration of blood is typically around 135 - 145 mm to make 100 l of a solution containing 140 mm nacl
what is the molarity of a solution prepared by dissolving 572 grams of naoh in 438 ml of solution what is the balanced