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1 pretend you isolated 120 micrograms of lawsone you prepare a solution for uv-vis using 9ml of 10 acetone in hexane
explain what is the lumohomo ratio for a conjugated pi electron system consisting of 1000 carbon atoms would you
in a clock reaction 200ml of 0200m ki 200ml of 0100m nh42s2o8 and 100ml of 000500m na2s2o3 were mixed in the presence
explain which has the highest vapor pressure 20g c6h12o6 glucose 20g c12h22o11 sucrose 10 g kc2h3o2
presume you desire to prepare an acetic buffer at ph 395 by adding 0200 m koh to 20000ml of 0300 m acetic acid ch3cooh
if an unknown compound contains only c h and o combustion of 680 g of this compound produced 155 g of co2 and 633 g of
a mixture of hydrochloric and sulfuric acids is prepared thus that it contains 0365 m hcl and 0215 m h2so4 what volume
depict the lewis structure of carbonate ion showing all possible resonance structures if there are any find out the
compute the molarity of a solution prepared by diluting 3870ml of 0607 m potassium chloride to 1390mlexplain what
explain what volume of 0200 m koh must be added to 175ml of 0135 m h3po4 to reach the third equivalence
1 explain what would happen during the titration if you forgot to add the hc1 or metaphosphoric acid2 while diluting
the question reads when mixed eluents are prepared for tlc they are prepared in large volumes opposed to small volumes
although the solution of 2 6-dichloroindophenol had known amounts of solute and solvent explain why was it necessary to
making utilize of the vapor pressures as a function of temperature as well as of the saturated-liquid and
methane gas is burned entirely with 20 excess air at approximately atmospheric pressure both the methane as well as the
depict the major product of the reaction of n-phenylbenzamide with propionyl
explain how you will make 500ml of a buffer containing 100mm mgcl2 025 m nacl 25mm edta and 02 sds from 2 m mgcl2 20 m
depict the kekule structure showing all possible resonance structures as well as formal charges point out the
the synthesis of zinc iodide was performed utilizing 23012 g of zinc and 10698 g of iodine find out the limiting
a 200ml sample of 050 m h2c6h6o6 ascorbic acid a diprotic acid was titrated with 50 m naoh the subsequent data were
in a bromination reaction define which of these reactions would react the fastest and why define in detail in terms of
explain what are the balanced half reactions for the reaction of borneolc10h18o to camphor c10h160 utilizing sodium
detail mechanisms of chemical reactions by which ozone is formed as well as destroyed in both clean and polluted
inquired to give a patient 5 cc of medicine per 100 lbs body weight explain how many ml of this medicine would you give
explain what is the molar concentration of na ions in a 004 m solution of the subsequent sodium salts in