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problem- an archeologist on a dig finds a fragment of an ancient basket woven from grass later it is determined that
an ancient club is found that contains 170 g of pure carbon and has an activity of 75 decays per second determine its
priblem- an inclined manometer is required to measure an air pressure of 3mm of water to an accuracy of - 3the inclined
what is the major product when 2-bromo-2-methylpentane is treated with potassium t- butoxide in t- butanoli am thankful
for the experiment establishing the relative reactivity of halogens and halide ions briefly explain why it is important
which factor of the following would increase the rate at which water evaporates from an open containerincreasing the
what effect would the following have on your determined absorbance measurement of a potion too high too low or
describe the residue left on the filter paper after you have filtered the water sand and sodium carbonate mixture what
in cyclic voltammetry working electrode potential is scanned from negative to positive direction why the current does
in amperometric methods why three-electrode system instead of a two-electrode system is used what are the typical
some materials can be used to measure a background spectrum what materials are usually used as the background of solid
when a 200 mhz nmr is used to measure a proton the measured larmar frequency is 199999900 hz what is the value of
part 1calculate the acidity constant of benzoic acid in water at 298k if delta gf for c6h5co2-aq is -2692 kjmol and
using data in appendix e in the textbook calculate the standard emf for each of the subsequent reactionsa
using the standard reduction potentials listed in appendix e in the textbook calculate the equilibrium constant for
a raman spectrum is measured with a 630nm laser stokes lines are collected the raman spectrum has a peak at 1700cm-1
calculate the ph of the diaprotic acid solution 00028 m h2teo4 aq telluric acid at 25 degrees c ignoring second
in the experiment for classifying matter by properties wet clothes hung outside in subfreezing weather will freeze
in synthesizing 2-amino-4 6-dimethylpyrimidine from guanidine carbonate and 24-pentanedione using sodium acetate the
problem- secondary alkyl halides can undergo substitution by either sn1 or sn2 mechanism the reaction conditions
problem- relate oxidation and reduction reactions in metabolism what role do cofactors play in metabolic reactionsif
problem- a draw the sn2 mechanism using curved arrows for the reaction of bromethane with nub draw the sn2 mechanism
problem- using the standard reduction potentials listed in appendix e in the textbook calculate the equilibrium
problem- use charge balance to determine x in the formula for the sorosilicate bertrandite be 4 si 2 o 7 oh xexplain
problem- using the same radioactive source and placing the different materials listed below from the same distance