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State equations showing how to prepare each of the subsequent from benzene and any necessary organic or inorganic reagents. If an ortho para mixture is formed in any step of synthesis presume that you can separate the two isomers.
A) 1-( tert- butyl) - 4 - nitrobenzene
B) 1-butyl-2-nitrobenzne
A 10.0-gram sample of an unknown solid monoprotic acid is dissolved in water and titrated with 0.789 M NaOH, requiring 40.6 mL to reach the endpoint. Determine the molar mass of the unknown acid.
the experiment is performed with hexane. a final weight for the gas of 0.31 grams is obtained. what is the value for n
What is Valence Electrons, Bonds Electrons,Non-Bond, VSEPR, Approx bond Angle, and Geometric Shape of H20
Draw structural formulas for the alkoxide ion and the alkyl(aryl)bromide that may be used in a Williamson synthesis of the ether shown. ch3-0-chch3 with a ch3 off of the second carbon from the right Draw both structures in the single sketchpad.
Calculate the total mass of the neutrons in 19/9F. Use 1.008665 amu as the mass of 1/0N(mass of a neutron). Express your answer in atomic mass units to 7 significant figures. Calculate the mass defect of 19/9F. Use 18.9984 amu as the actual mass o..
Examine the chemical reactions that take place when a biological catalyst combines with a reactant substrate to form an unstable intermediate.
The reaction caused the temperature of the solution to rise from 21.10 °C to 25.46 °C. If the solution has the same density and specific heat as water, what is Î"H for this reaction (per mole of H2O produced)?
If caffeine is soluble in methanol as well as methylene chloride then why couldnt I use methanol to extract caffeine from the aqueous portion. and why did I extract the aqueous phase two times with 50ml of DCM rather than once
Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa. (b) If a 2.00 mol/kg aqueous sucrose solution has a vapor pressure of 3.033 kPa at 25 degree C, find the activity and act..
A buffer solution with a pH of 5.28 has a molar ratio of anion to acid of 3.40. Calculate the equilibrium dissociation constant (Ka).
Some solid remained in the beaker after stirring with HCl. You washed the filter paper with ketone, which caught on fire and the filter paper was scorched
one potential way to reduce the amount of co2 added to the atmosphere is to store it as a compressed gas in underground formations.
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