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Write a complete mechanism of reaction of 2,4-dinitrophenylhydrazine with acetaldehyde.
Suggest a reasonable synthetic strategy for the synthesis of 3,5-dinitrobenzyl alcohol from benzaldehyde.
The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states,
Write the complete electron configuration of lead (not the simplified condensed notation using the enarest inert gas)
what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.
A block of Iron has a mass of 483 g. What is the mass of a block of Graphite that has the same volume as the block of Iron?
consider the reaction of 5.0g of propane with 10.0ml ofmolecular bromine to form 2,2 dibromopropane and hydrogenbromide. a. look up the molecular weight of propane (44.1) and calculate the moles of propane present before the reaction
Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 25.0 L.
a titanium bicycle frame contains the same amount of titanium as a titanium cube measuring 5.6cm on a side. use the
hc2h3o2aq h20l ltgt h3oaq c2h3o2 aqin aqueous solution acetic acid as represented above. in 0.0105m hc2h3o2 aq at 25c
Calculate the pH during the titration of 40 mL of 0.1M HCL with 0.1M NaOH solution after the following additions of base:
in a coffee-cup calorimeter 1.80 g of nh4no3 is mixed with 75.0 g of water at an initial temperature of 25.00degc.
An aqueous solution containing 7.29 g of an optically pure compound was diluted to 500.0 mL with water and placed in a polarimeter tube 15.0 cm long
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