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depict the mechanism with all resonance structures for 24-dinitrobromobenzene plus kscn tetrabutylammonium bromide is
a 200 l glass soda bottle filled merely with air is tightly capped at 24 c and 7440mmhg if the bottle is positioned in
compute the threshold frequency hz of a metal if that metal emits an electron with a velocity of 328 times 105 ms when
in the particular reaction the acid group of s-monosodium glutamate was converted to an acid bromide group -co---oh
compute the frequency of light hz illuminating a copper surface if the threshold frequency of copper is 108 times
a volume of 250ml of 100 m c6h5cooh is titrated against a 100 m naoh solution added to it from a burette compute the ph
acrylonitrile c3h3n is the starting material for several synthetic carpets and fabrics it is produced by the subsequent
state balanced net ionic equation for the first second and third stage of dissociation of the triprotic acid h3po4 as a
a mixture containing 400ml of 26710-2 m cano32 and 600ml of 17810-2 m na2co3 is prepared presume 1000ml of solution is
explain if 120g of mgo react entirely with access h4p2o7 and the heat from the reaction is utilized to warm 561g of
a demonstrate that a chemical shift range of 80 ppm corresponds to a frequency range of 480 hz on a 60 mhz instrument
a compute the energy in joules per quantum joules per mole and electron volts of photons of wavelength 122 nmb the
briefly explicate what the consequences would be if excess 6m naoh solution is utilized instead of 6m nh3 solution to
a 0221g sample containing an unknown amount of monoprotic base was reacted with 2500ml of 0101m hcl the resulting
if you wanted to alter the experimental procedure to synthesize diacetylferrocene what changes might you consider
state a chemical equation showing how each of the subsequent species can behave as indicated when dissolved in water
a 582g silver coin is liquefy in nitric acid while sodium chloride is added to the solution all the silver is
in the lab utilized a red industrial laser 6328 nm to create diffraction patterns from the arrays on the ice slide in
a 100 l solution saturated at 25 degrees celsius with calcium oxalate cac2o4 contains 00061 g of cac2o4 compute the
a mixture between ccl4 along with cs2 is a regular solution with a beta-parameter of 7500 jmol at 298k these two
compute the resolution for a 11155 kev zn peak that has a fwhm of 201 kev compute the resolution for 11155 kev zn peak
compute the energy of the compton edge as well as the first escape peak in the gamma-ray spectrum of a 213 mev
compute the number of ion pairs that would be formed in the interaction of one 50 mev alpha particle with air presume
a molecule of unknown structure has a molecular formula of c9h8o2 in the infrared spectrum there are absorptions at
compute the concentrations of all species in a 157 m na2so3 sodium sulfite solution the ionization constants for