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Write the structure of three different substituent groups that activate substituted benzene rings toward electrophilic aromatic substitution. Write the structure of three different substituent groups which decrease the reactivity of a benzene ring toward electrophilic aromatic substitution.
calculate the standard free energy change for the following metabolically important enzyme-catalyzed reaction at 25degc
What is the volume of the solution that would result by diluting 80.00 of 9.17×10-2 to a concentration of 1.60×10-2
health risk does each of the following classification represent Corrosive Carcinogen Teratogen Mutagen
Using the values for the resonance energies of benzene and naphthalene given above, explain why Diels-Alder reactions of anthracene take place at the center ring, not one of the end rings.
Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
A pure titanium cube has an edge length of 2.65 .How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
what is the molecular equation ionic equation and the net ionic equation?caco3 and
Mendeleev ordered the elements in his version of the periodic table on the basis of atomic masses instead of their atomic numbers. why
A buffer is prepared by mixing 429 mL of 0.255 M NaOH with 677 mL of 0.795 M sodium bicarbonate (NaHCO3). Given that the Ka1of H2CO3 is 4.5 x 10-7
Calculate the entropy change when neon, at 50 celsius and 1.00 atm pressure in a container of volume 0.500 dm^3 is allowed to expand to 1.00 dm^3 and simultaneously heated to 100 celsius
A container of Methane gas initially at 40.0 atm is heated to a temperature of 150.0C at which the pressure is 45.0 atm. What was its original temperature
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