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1. Substituents on an aromatic ring can alter both the stereoselectivity and reactivity of an electrophilic aromatic substitution. Please describe/explain "activating" and "deactivating" substituents, in addition to mentioning the positions strongly affected on the aromatic ring by such substituents. Please give one example of an activating substituent and one example of a deactivating substituent.
2. Is there a reason why bromination is favoured at a 2'-postion, as opposed to a 3'-position, of an aromatic ring?
solution requires 14.45 mL of 1.00 M NaOH for titration. How many molesof HCl are present in the solution? The density of 3 M HCl is 1.05 g/mL
What is the volume of a balloon that contains 34 moles of calcium bicarbonate?
question the compound is packaged as a 10 solution density 1.0 gmol in water. if your dentist injects 0.50 ml of the
Calculate the molarity and mole fraction of a 1.43 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.)
How long would it take for 1.50 of water at 100.0 to be converted completely into steam if heat were added at a constant rate of 18.0
L ?^2=-?^2 ?^2 ?^2=(1/(?sin?^2 ?) ?/(??^2 )+1/sin? ?/?? sin? ?/??) b) For the l = 2, ml = -1 state determine the average angular momentum and the average angular momentum in the z-axis
Question- Predict the abbreviated was using the appropriate noble gas ground-state electron configuration of the following ions: Ru2+, Zn2+, Ni2+.
After filtration, the remaining NaCO3 solution needed 0.004moles of H Cl for neutralization. Calculate the number of moles of NaCO3 remaining after filtration., therefore deduce the number of moles of BaCl2 which reacted with the NaCO3 solution.
If the sign for delta G is negative (spontaneous process) and the sign for delta S is positive (more disorder) for both dissolving processes, how could one be endothermic (positive delta H) and one be exothermic
As electrons are added to the s and p sublevels in the same electron shell (level), they are pulled closer to the highly charged nucleus, causing what to happen?
When current is allowed to flow, which species is oxidized. What is the value of E0cell
magnetite was found to contain 2.5698 g of iron and 0.9816 g oxygen. What is the empirical formula for this oxide of iron?
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