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define what is the reaction mechanism for the conversion of 9-fluorenone to 9-fluorenol via sodium borohydride as well
explain why are the themes in the fall of the house of usher so important prepare a research paper on this what kind of
in the subsequent experiment a coffee-cup calorimeter containing 100 of is used the preliminary temperature of the
modern pennies are composed of zinc coated with copper student finds the mass of a penny to be 2482 g and then makes
two unlabelled bottles containing clear colorless liquids are found in the organic section of the chemical storage room
depict the structural formula for these compounds must comprise details such as ch3-ch2-ch2 etca ethylcyclopenteneb
define the density of methanol is 0796 gcm3 1 cm3 1 ml is 4 ml pf methonal a satisfactory volume to utilize in this
suppose the solubility of la io33 in a 094m kio3 solution is 10 x 10-7 moll compute ksp for la
a depict resonance structures of the electron donation of the nh2 group to the benzene ring in aniline appropriately
a demonstrate resonance structures of the electron donation of the nh2 group to the benzene ring in aniline properly
determine the concentration of calcium ions in a solution prepared by adding 350 g of calcium fluoride to 750ml of 125m
throughout the addition of bromine to trans-cinnamic acid the subsequent amounts were used 100 mmol trans-cinnamic acid
define what is the cell potential of the following voltaic cell at 25 degrees celsius zn s zn2 0200 m ag 000200 m ag
define the nickle ii ion concentration in the voltaic cell under standard conditions if the cell potential is 034 v at
t4 is a bacterial virus suppose the virus has a head group that is roughly spherical and which contains dna the virus
if a 50g kbr sample at 25 degree c dissolves in 250 ml of water also at 25 degrees c the final equilibrium temperature
state a balanced chemical equation for the reaction that occurred keep in mind that halides are present in solution as
a the diffusion coefficient of the protein lysozyme mw 141 kgmol is 0104times10- 5 cm2s define how long will it take
three beakers labeled nax 010 m ph70 nay 010m ph80 and naz 010 m ph 900 organize the acids hx hy and hz in order of
state a balanced chemical equation for the reaction that occurred remember that halides are present in solution as
explain what is the ph of the solution when 1830 ml of 0137 m trisodium hemimellitalate trisodium benzene 123
compute the energy of a photon in the balmer series that results from the transition n 5 to n 2 explain what is the
give the direction the subsequent reaction will in a 50 l flask proceed and the reason if the pressure of co2 g is 10
at 90 oc the vapor pressures of benzene as well as toluene are respectively 1010 and 405 mm hg compute the vapor
formula for numerous members of the lillianite group of sulfosalts is given below design the composition of each