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1 calculate deltagrxn and ecell for a redox reaction with n4 that has an equilibrium constant of k47x10-2 express each
a 45-g serving of a white rice contains 90 microg of inorganic arsenicnbsp what is the concentration of arsenic in
consider a scuba tank 120 l volume initially at 100 atm that is subsequently filled to 200atm with oxygen average m
the isothermal compressibility of diamond is 0187 x 10-6 atm-1 a express this value in pa-1 b a cube of diamond 10 cm
saltpeter is a compound made of potassium k nitrogen n and oxygen o every 10000 g of saltpeter contains 3867 g
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find the percent by mass ofnbspoxygennbspinnbspheptanoic
select cardiac care and diseasehow many words your going to use as long as it 6 pages including the references or
a chromatographic column is packed with spherical particles of radius r that are coated withan immobilized enzyme
calculate the rotational constant b for h2gand d2gin unite of frequency rationalize the trend in rotational constant
1 would you expect phosphorus to exhibit an nmr spectrum why or why not2 when radio-frequency energy is absorbed by a
how were atomic masses for the elements how were atomic masses for the elements
calculate the change in entropy when 50g of 80c water is poured into 100g of 10c water assume the container is
describe how you would make 2l of a 01m glycine buffer ph 9 using glycine and 10m naoh for glycine the pka is
calculate the masses of a cano32 and separately b nacl to add to a 0150 mol kg-1 solution of kno3aq containing 500g of
at the rice processing plant 750 kg of rice containing 320 ppb total arsenic was thoroughly mixed with 250 kg of rice
a si abrupt p-n junction has no 3 x 1018cm-3 on the p-side and an area of 16 x 10-3 cm2 thejunction capacitance is 18
decide what topic you would like and email me i will add you to the list on our canvas page - first come first served
devise a procedure that would confirm the presence of pb2 ion in a mixture pb2 and cu2 ions devise a procedure that
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combining 0351 mol of fe203 with excess carbon produced 168 g of fefe2o3 3c ----gt 2fe 3cowhat is the actual yield of
each step in the process below has a 700 yieldch4 4cl2 -gt ccl4 4hclccl4 2hf -gt ccl2f2 2hclthe ccl4 formed in the
calculate molar extinction coefficients from a uv visble spectrometer and use it to determine the geometry of
complete the following equationsanbsp105b nbsp10n nbsp-gt nbsp nbsp42hebnbsp2310ne nbsp-gt nbsp2311na cnbsp12151sb
question what is the theoretical yield of aspirin if 190 kg of salicylic acid is allowed to react with 128 kg of acetic