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if 640 multiplied by 10-9 mol of 176w emits 107 multiplied by 1015 positrons in 100 h what is the decay
gout is caused by an error in nucleic acid metabolism that leads to a buildup of uric acid in body fluids which is
at what temperature in c does benzene boil when the external pressure is 470
what will the ph be if 0910 g of naoh 4000 gmol is added to 50000 ml of a 0500 m acetic acidacetate buffer with an
a calculate the ph of each of the following solutionsa 010m benzoic acidb 010m sodium benzoateb calculate the ph of a
although the yield of methamphetamine is good some unreacted phenyl-2-propanone remains after the reaction is complete
use plancks equation to determine the energy in jphoton of radiation of frequency 581015 s-1a 171024jb 5210-8jc
a write a balanced equation for the spontaneous reaction that would occur if a cell were constructed using magnesium
a 400 ml sample of 0150 m baoh2 is titrated with 0400 m hno3 calculate the ph after the addition of the following
a calculate the concentration of a solution with a measured absorbance of 0224 if b100cm and epsilon 44 x 10 to the
05 l of a 025 m hcl solution is titrated with a solution of 050 m naohwhat is the ph before addition of naohwhat is the
a reaction has been designed to be carried out in a 2 ml total volume it requires a final nad concentration of 3 mm if
you need a 10 mm solution of a potent and dangerous transcription inhibitor molecular weight 500 for an experiment to
calculate delta g in joulesmol at 25 c when concentration of h is 00000010 m and oh is 10 x
a buffer was prepared by dissolving 226 grams of phenylacetic acid hc6h5ch2co2 ka 49x10-5 and 325 grams of potassium
use standard heat of formation data to calculate the heat released per gram of b2h6 when burned with o2g to afford
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since the blades of ice skates are very thin the pressure exerted by a skater can be quite large referring to the phase
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calculate deltae for a system undergoing an endothermic process in which 156kj of heat flows and where 14kj of work is